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Service Bulletins

EC 120

SB 28-012 FUEL – Distribution – Integration of a relay in the fuel pump control circuit

SB 32-006 LANDING GEAR – Replacement of the landing gear rear attachment clamp

IN 2937-I-28 FUEL – Contamination of the fuel system by plastic particles

IN 2924-I-23 COMMUNICATIONS SYSTEMS – Transponder System – Service Bulletin No. 1435 Rev. B of the Garmin Company

IN 2930-I-32 LANDING GEAR – LANDING GEAR – Reinforcement of landing gear wear plates

IN 2850-I-63 MAIN ROTOR DRIVE – Lighting of the MGB oil low pressure warning light

IN 2924-I-23 COMMUNICATIONS SYSTEMS – Transponder System – Service Bulletin No. 1435 Rev. B of the Garmin Company

IN 2840-I-13 TOOLS – Towing tool MP/N 703A914100.00

IN 2537-I-00 GENERAL – Better understanding of Airbus Helicopters codes

IN 2863-I-32 LANDING GEAR – LANDING GEAR SKIDS – Reinforcement of the landing gear rear attachment clamp

SIN 2927-S-00 GENERAL – Safety Management Manual for non-Complex Operators – Emergency Response Plan

SIN 2926-S-00 GENERAL – Safety Management Manual for non-Complex Operators – Guidance

SIN 2925-S-00 GENERAL – Safety Management Manual for non-Complex Operators

SIN 2914-S-00 GENERAL – Techniques for helicopter operations in hilly and montainous terrain

SIN 2928-S-00 GENERAL – Additional information to SIN 2247-S-00 – “Increasing number of serious incidents/accidents caused by failures to comply with ‘routine’ applicable maintenance instructions”

SIN 2920-S-62 MAIN ROTOR – Tightening torque of the scissors driver / mast attachment bolt

SIN 2896-S-00 GENERAL – Simulated Engine-Off Landing (EOL) training

SIN 2782-S-25 EQUIPMENT AND FURNISHINGS – Equipment and furnishings – Seatbelts and safety harnesses reconditioned or repaired by non-approved repair stations

 

AS 350

SB 67.00.66 ROTOR FLIGHT CONTROLS – Functional check procedure for the tail rotor load compensator

SB 71.00.18 POWER PLANT – Firewall reinforcement

SB 65.00.43 TAIL ROTOR DRIVE – Tail rotor pitch change plate – four contact bearing

SB 65.00.41 TAIL ROTOR DRIVE – Tail rotor pitch change plate – four contact bearing

SB 63.00.23 MAIN ROTOR DRIVE – Modification of material and position of MGB intake O-ring

SB 32.00.11 LANDING GEAR – L/G skids – Reinforced wear plates for skid L/G

SB 55.00.18 STABILIZER – Horizontal stabilizer – Improvement of the Stabilizer / Tail Boom Fittings interface

SB 28.00.21 FUEL – DISTRIBUTION – Integration of a relay in the fuel pump control circuit

SB 25.02.40 EQUIPMENT AND FURNISHINGS – External load carrying – Improved locking system of the LISI AS21-5-7 cargo hook

SB 63.00.22 MAIN ROTOR DRIVE – Engine-MGB coupling – New drive bearing of the hydraulic pump on dual hydraulic helicopters

ASB 01.00.69 LIMITATIONS – Main Gearbox (MGB) Casings – Limitation and follow-up of casings in torque cycles (TC)

ASB 01.00.68 LIMITATIONS – Main Gearbox (MGB) Casings – Limitation and follow-up of casings in torque cycles (TC)

ASB 01.00.70 LIMITATIONS – Tail rotor drive – Tail rotor drive shaft bearings

ASB 67.00.61 ROTOR FLIGHT CONTROLS – Installation of dual mechanical safetying on primary yaw stops

ASB 05.00.64 TIME LIMITS – MAINTENANCE CHECKS – Tail rotor control – Checking the locking of the stop screws of the yaw flight controls

“E”ASB 05.00.61 ENGINE CONTROLS – Twist grip – Functional check and installation of a protection for micro switches 53Ka and 53Kb and 65K (IDLE / FLIGHT mode)

“E”ASB 05.00.77 TIME LIMITS – MAINTENANCE CHECKS – Twist grip – Checking and ensuring water-tightness of connectors on micro switches 53Ka, 53Kb and 65K (IDLE / FLIGHT modes)

IN 2936-I-80 STARTING – SKURKA starter-generator Improved reliability and maintenance task intervals

IN 2901-I-62 MAIN ROTOR – Adjustment of the swashplate ball joint play using a peel shim

IN 2900-I-62 MAIN ROTOR – Check for free rotation of the scissors hinges

IN 2924-I-23 COMMUNICATIONS SYSTEMS – Transponder System – Service Bulletin No. 1435 Rev. B of the Garmin Company

IN 2940-I-67 ROTOR FLIGHT CONTROLS – Compliance with ALERT SERVICE BULLETINS concerning “installation of dual mechanical safe tying on primary yaw stops”

IN 2827-I-29 HYDRAULIC POWER – Draining of hydraulic systems

IN 2930-I-32 LANDING GEAR – LANDING GEAR – Reinforcement of landing gear wear plates

IN 2851-I-63 MAIN ROTOR DRIVE – Lighting of the MGB oil low pressure warning light

IN 2924-I-23 COMMUNICATIONS SYSTEMS – Transponder System – Service Bulletin No. 1435 Rev. B of the Garmin Company

IN 2902-I-63 MAIN ROTOR DRIVE – Lubrication of the power take-off splines on the MGB secondary hydraulic pump

IN 2840-I-13 TOOLS – Towing tool MP/N 703A914100.00

IN 2537-I-00 GENERAL – Better understanding of Airbus Helicopters codes

SIN 2944-S-29 HYDRAULIC POWER – Information concerning the new functional check procedure for the yaw load compensator

SIN 2927-S-00 GENERAL – Safety Management Manual for non-Complex Operators – Emergency Response Plan

SIN 2926-S-00 GENERAL – Safety Management Manual for non-Complex Operators – Guidance

SIN 2925-S-00 GENERAL – Safety Management Manual for non-Complex Operators

SIN 2914-S-00 GENERAL – Techniques for helicopter operations in hilly and mountainous terrain

SIN 2759-S-62 MAIN ROTOR – Tightening torque of the scissors driver / mast connection bolt

SIN 2928-S-00 GENERAL – Additional information to SIN 2247-S-00 – “Increasing number of serious incidents/accidents caused by failures to comply with ‘routine’ applicable maintenance instructions”

SIN 2899-S-62 MAIN ROTOR – Activation of the NR alarm following the loss of tightness of the phonic wheel

SIN 2923-S-65 TAIL ROTOR DRIVE – Greasing of the TRH pitch-change spider bearing

SIN 2896-S-00 GENERAL – Simulated Engine-Off Landing (EOL) training

SIN 2782-S-25 EQUIPMENT AND FURNISHINGS – Equipment and furnishings – Seatbelts and safety harnesses reconditioned or repaired by non-approved repair stations

SIN 2829-S-25 EQUIPMENT AND FURNISHINGS – REMINDER: Rupture of the restraint system buckle cover

 

EC 130

SB 63-010 MAIN ROTOR DRIVE – Modification of material and position of MGB intake O-ring

SB 65-003 TAIL ROTOR DRIVE – Tail rotor line blanking of tail rotor drive shaft to prevent ingress of foreign matter

SB 63-009 MAIN ROTOR DRIVE – Engine-MGB coupling – New drive bearing of the hydraulic pump on dual hydraulic helicopters

ASB 04A005 LIMITATIONS – Main Gearbox (MGB) Casings – Limitation and follow-up of casings in torque cycles (TC)

“E”ASB 05A009 ENGINE CONTROLS – Twist grip – Functional check and installation of a protection for micro switches 53Ka and 53Kb and 65K (IDLE / FLIGHT mode)

“E”ASB 05A014 TIME LIMITS – MAINTENANCE CHECKS – Twist grip – Checking and ensuring water-tightness of connectors on micro switches 53Ka, 53Kb and 65K (IDLE / FLIGHT modes)

IN 2936-I-80 STARTING – SKURKA starter-generator Improved reliability and maintenance task intervals

IN 2901-I-62 MAIN ROTOR – Adjustment of the swashplate ball joint play using a peel shim

IN 2900-I-62 MAIN ROTOR – Check for free rotation of the scissors hinges

IN 2924-I-23 COMMUNICATIONS SYSTEMS – Transponder System – Service Bulletin No. 1435 Rev. B of the Garmin Company

IN 2827-I-29 HYDRAULIC POWER – Draining of hydraulic systems

IN 2930-I-32 LANDING GEAR – LANDING GEAR – Reinforcement of landing gear wear plates

IN 2851-I-63 MAIN ROTOR DRIVE – Lighting of the MGB oil low pressure warning light

IN 2924-I-23 COMMUNICATIONS SYSTEMS – Transponder System – Service Bulletin No. 1435 Rev. B of the Garmin Company

IN 2903-I-63 MAIN ROTOR DRIVE – Deterioration of the air conditioning compressor drive belt

IN 2902-I-63 MAIN ROTOR DRIVE – Lubrication of the power take-off splines on the MGB secondary hydraulic pump

IN 2840-I-13 TOOLS – Towing tool MP/N 703A914100.00

LI EC 015-2015 – PRODUCT INFORMATION LETTER

SIN 2927-S-00 GENERAL – Safety Management Manual for non-Complex Operators – Emergency Response Plan

SIN 2926-S-00 GENERAL – Safety Management Manual for non-Complex Operators – Guidance

SIN 2925-S-00 GENERAL – Safety Management Manual for non-Complex Operators

SIN 2914-S-00 GENERAL – Techniques for helicopter operations in hilly and mountainous terrain

SIN 2759-S-62 MAIN ROTOR – Tightening torque of the scissors driver / mast connection bolt

SIN 2928-S-00 GENERAL – Additional information to SIN 2247-S-00 – “Increasing number of serious incidents/accidents caused by failures to comply with ‘routine’ applicable maintenance instructions”

SIN 2899-S-62 MAIN ROTOR – Activation of the NR alarm following the loss of tightness of the phonic wheel

SIN 2896-S-00 GENERAL – Simulated Engine-Off Landing (EOL) training

SIN 2782-S-25 EQUIPMENT AND FURNISHINGS – Equipment and furnishings – Seatbelts and safety harnesses reconditioned or repaired by non-approved repair stations

SIN 2829-S-25 EQUIPMENT AND FURNISHINGS – REMINDER: Rupture of the restraint system buckle cover

 

AS 355

SB 63.00.25 MAIN ROTOR DRIVE – New distribution of the oil flow between the combiner gearbox and the MGB

SB 05.00.61 TIME LIMITS – MAINTENANCE CHECKS – TAIL ROTOR DRIVE – Fan Support

SB 65.00.19 TAIL ROTOR DRIVE – Tail rotor pitch change plate – four contact bearing

SB 65.00.17 TAIL ROTOR DRIVE – Tail rotor pitch change plate – four contact bearing

SB 32.00.11 LANDING GEAR – Landing gear skids – Reinforced skid plates for skid-type landing gear

SB 28.00.21 FUEL – Return to service of the FUELTRON flowmeter installation

SB 28.00.02 FUEL – Installation of “FUELTRON” fuel flowmeter

SB 55.00.14 STABILIZER – Horizontal stabilizer – Improvement of the Stabilizer / Tail Boom Fittings interface

ASB 05.00.51 TIME LIMITS – MAINTENANCE CHECKS – Monitoring of the MGB oil pump

ASB 01.00.56 LIMITATIONS – Main Gearbox (MGB) Casings – Limitation and follow-up of casings in torque cycles (TC)

ASB 01.00.55 LIMITATIONS – Main Gearbox (MGB) Casings – Limitation and follow-up of casings in torque cycles (TC)

ASB 01.00.57 LIMITATIONS – Tail rotor drive – Tail rotor drive shaft bearings

ASB 26.00.10 FIRE PROTECTION – Engine fire extinguishing system – Crossed connection in the distribution system of the engine fire extinguishers

ASB 28.00.20 FUEL – Removal of the FUELTRON flowmeter

ASB 67.00.42 ROTOR FLIGHT CONTROLS – Installation of dual mechanical safe tying on primary yaw stops

ASB 05.00.59 TIME LIMITS – MAINTENANCE CHECKS – Tail rotor control – Checking the locking of the stop screws of the yaw flight controls

“E”ASB 05.00.74 TIME LIMITS – MAINTENANCE CHECKS – Rear Rotor Blades

“E”ASB 71.00.20 POWER PLANT – Procedure to be complied with in the event of an engine “CHIP” warning

IN 2901-I-62 MAIN ROTOR – Adjustment of the swashplate ball joint play using a peel shim

IN 2900-I-62 MAIN ROTOR – Check for free rotation of the scissors hinges

IN 2924-I-23 COMMUNICATIONS SYSTEMS – Transponder System – Service Bulletin No. 1435 Rev. B of the Garmin Company

IN 2940-I-67 ROTOR FLIGHT CONTROLS – Compliance with ALERT SERVICE BULLETINS concerning “installation of dual mechanical safe tying on primary yaw stops”

IN 2930-I-32 LANDING GEAR – LANDING GEAR – Reinforcement of landing gear wear plates

IN 2851-I-63 MAIN ROTOR DRIVE – Lighting of the MGB oil low pressure warning light

IN 2924-I-23 COMMUNICATIONS SYSTEMS – Transponder System – Service Bulletin No. 1435 Rev. B of the Garmin Company

IN 2840-I-13 TOOLS – Towing tool MP/N 703A914100.00

IN 2537-I-00 GENERAL – Better understanding of Airbus Helicopters codes

SIN 2927-S-00 GENERAL – Safety Management Manual for non-Complex Operators – Emergency Response Plan

SIN 2926-S-00 GENERAL – Safety Management Manual for non-Complex Operators – Guidance

SIN 2925-S-00 GENERAL – Safety Management Manual for non-Complex Operators

SIN 2914-S-00 GENERAL – Techniques for helicopter operations in hilly and mountainous terrain

SIN 2759-S-62 MAIN ROTOR – Tightening torque of the scissors driver / mast connection bolt

SIN 2928-S-00 GENERAL – Additional information to SIN 2247-S-00 – “Increasing number of serious incidents/accidents caused by failures to comply with ‘routine’ applicable maintenance instructions”

SIN 2899-S-62 MAIN ROTOR – Activation of the NR alarm following the loss of tightness of the phonic wheel

SIN 2923-S-65 TAIL ROTOR DRIVE – Greasing of the TRH pitch-change spider bearing

SIN 2782-S-25 EQUIPMENT AND FURNISHINGS – Equipment and furnishings – Seatbelts and safety harnesses reconditioned or repaired by non-approved repair stations

SIN 2736-S-25 EQUIPMENT AND FURNISHINGS – Reminder concerning the check of the hoist squib cable cutter function

SIN 2829-S-25 EQUIPMENT AND FURNISHINGS – REMINDER: Rupture of the restraint system buckle cover

 

EC 135

SB 53-028 FUSELAGE‐ Main fuselage structure – Reinforcement of frame 5

SB 32-022 LANDING GEAR – Medium-High Landing Gear – Replacement of the high landing gear by the medium-high landing gear

SB 67-028 ROTOR FLIGHT CONTROL – Tail rotor controls – Retrofitting an angle bracket for guiding the ball bearing control

SB 62-036 Main Rotor Hub-Shaft Rework of the upper and lower hub-shaft flange

SB 11-018 PLACARDS AND MARKINGS – 130 knots and 45° roll limit – Removal of the 130 knot (VNE) and 45° roll limit for EC135 P3/T3

SB 62-035 MAIN ROTOR SYSTEM – Main Rotor Blades – Erosion protection for the main rotor blades

SB 71-028 Power Plant – Sand Filter – Installation of a sand filter

ASB 24A-028 POWER SUPPLY – Electrical master boxes – Verify the tightening torque of a screw

ASB 88A-004 OPTIONAL EQUIPMENT – External Mounted Hoist System – Replacement of wire harness for electrical connection 5MFA-20MFAA located in the roof paneling

ASB 71A-032 Power Plant – Sand Filter – Check of Relay Box

IN 2939-I-25 – EQUIPMENT AND FURNISHINGS – UTAS Class 1 hoists retrofits communication kit

IN 2924-I-23 COMMUNICATIONS SYSTEMS – Transponder System – Service Bulletin No. 1435 Rev. B of the Garmin Company

IN 2924-I-23 COMMUNICATIONS SYSTEMS – Transponder System – Service Bulletin No. 1435 Rev. B of the Garmin Company

TIP 62-036 Improved main rotor shaft

TIP-INDEX-EC135

TIL EC135 045-2015

SIN 2927-S-00 GENERAL – Safety Management Manual for non-Complex Operators – Emergency Response Plan

SIN 2926-S-00 GENERAL – Safety Management Manual for non-Complex Operators – Guidance

SIN 2925-S-00 GENERAL – Safety Management Manual for non-Complex Operators

SIN 2914-S-00 GENERAL – Techniques for helicopter operations in hilly and mountainous terrain

SIN 2928-S-00 GENERAL – Additional information to SIN 2247-S-00 – “Increasing number of serious incidents/accidents caused by failures to comply with ‘routine’ applicable maintenance instructions”

SIN 2782-S-25 EQUIPMENT AND FURNISHINGS – Equipment and furnishings – Seatbelts and safety harnesses reconditioned or repaired by non-approved repair stations

 

AS 365

SB 25.01.01 EQUIPMENT AND FURNISHINGS – Electric hoists – Replacement of “23M” switch on winchman ramp

SB 25.01.60 EQUIPMENT AND FURNISHINGS – External load carrying – Improved locking system of the LISI AS21-5-7 cargo hook

SB 25.01.21 EQUIPMENT/FURNISHINGS – Improvement of emergency floatation gear automatic percussion reliability for aircraft equipped with CVFDR or CVR

IN 2939-I-25 – EQUIPMENT AND FURNISHINGS – UTAS Class 1 hoists retrofits communication kit

IN 2893-I-00 GENERAL – e-TechPub Online Technical Publications – O.R.I.O.N. Launch

IN 2921-I-63 MAIN ROTOR DRIVE – Lighting of the MGB oil low pressure warning light

IN 2924-I-23 COMMUNICATIONS SYSTEMS – Transponder System – Service Bulletin No. 1435 Rev. B of the Garmin Company

IN 2932-I-00 GENERAL – Issue of the Dauphin/Panther publications

IN 2827-I-29 HYDRAULIC POWER – Draining of hydraulic systems

IN 2895-I-65 TAIL ROTOR DRIVE – Electrical bonding bridges of the tail rotor drive flexible couplings

IN 2913-I-32 LANDING GEAR – Hydraulic leakages on main landing gear legs

IN 2892-I-00 GENERAL – MIDAS document conversion project – Progress report

IN 2924-I-23 COMMUNICATIONS SYSTEMS – Transponder System – Service Bulletin No. 1435 Rev. B of the Garmin Company

IN 2537-I-00 GENERAL – Better understanding of Airbus Helicopters codes

SIN 2927-S-00 GENERAL – Safety Management Manual for non-Complex Operators – Emergency Response Plan

SIN 2926-S-00 GENERAL – Safety Management Manual for non-Complex Operators – Guidance

SIN 2925-S-00 GENERAL – Safety Management Manual for non-Complex Operators

SIN 2914-S-00 GENERAL – Techniques for helicopter operations in hilly and mountainous terrain

SIN 2928-S-00 GENERAL – Additional information to SIN 2247-S-00 – “Increasing number of serious incidents/accidents caused by failures to comply with ‘routine’ applicable maintenance instructions”

SIN 2929-S-55 STABILIZER(S)- In-flight loss of a horizontal stabilizer due to prior damage

SIN 2782-S-25 EQUIPMENT AND FURNISHINGS – Equipment and furnishings – Seatbelts and safety harnesses reconditioned or repaired by non-approved repair stations

 

BO 105

ASB 40A-107 FLIGHT CONTROL SYSTEM – Main Rotor Controls – Removal of the swashplate bellows

IN 2938-I-05 TIME LIMITS/ INSPECTIONS/ CHECKS – Fire Protection System – TBO for Engine Fire Extinguishing Bottles

SIN 2927-S-00 GENERAL – Safety Management Manual for non-Complex Operators – Emergency Response Plan

SIN 2926-S-00 GENERAL – Safety Management Manual for non-Complex Operators – Guidance

SIN 2925-S-00 GENERAL – Safety Management Manual for non-Complex Operators

SIN 2914-S-00 GENERAL – Techniques for helicopter operations in hilly and mountainous terrain

 

BK 117

ASB 20A-114 FUSELAGE – Sliding door – Affixing an adhesive seal on the door jettison system

ASB 40A-115 FLIGHT CONTROL SYSTEM – Flight Controls Main Rotor – Removal of the swashplate bellows

IN 2938-I-05 TIME LIMITS/ INSPECTIONS/ CHECKS – Fire Protection System – TBO for Engine Fire Extinguishing Bottles

Technical Information Letter EC145/H145/BK117

SIN 2927-S-00 GENERAL – Safety Management Manual for non-Complex Operators – Emergency Response Plan

SIN 2926-S-00 GENERAL – Safety Management Manual for non-Complex Operators – Guidance

SIN 2925-S-00 GENERAL – Safety Management Manual for non-Complex Operators

SIN 2914-S-00 GENERAL – Techniques for helicopter operations in hilly and mountainous terrain

SIN 2928-S-00 GENERAL – Additional information to SIN 2247-S-00 – “Increasing number of serious incidents/accidents caused by failures to comply with ‘routine’ applicable maintenance instructions”

SIN 2782-S-25 EQUIPMENT AND FURNISHINGS – Equipment and furnishings – Seatbelts and safety harnesses reconditioned or repaired by non-approved repair stations

 

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