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Service Bulletins

EC120

SB 63-007 MAIN ROTOR DRIVE – New MGB Input Spiral Bevel Gear

ASB 52A017 DOORS – Crew doors – Check of the installation of the crew door actuators

IN 2714-I-20 STANDARD PRACTICES – Compliance with products to be applied to bolted assemblies

IN 2708-I-00 GENERAL – Information concerning the SRD (Status Revision Documentation)

IN 2710-I-20 STANDARD PRACTICES – Availability of the Standard Practices Manual (MTC) for the EC120 helicopter

IN 2679-I-00 GENERAL – Change of name from EUROCOPTER to Airbus Helicopters – Effect on documents

SIN 2722-S-62 MAIN ROTOR – Assembly procedure for swashplates

SIN 2740-S-25 EQUIPMENT AND FURNISHINGS – Check of the KANNAD emergency locator transmitter attachment straps

SIN 2571-S-00 GENERAL – Flight Safety of Helicopters – Issue of EHEST leaflet

 AS350

SB 31.00.63 INDICATING AND RECORDING SYSTEMS – Warning unit – Check of the warning unit

SB 25.01.86 EQUIPMENT AND FURNISHINGS – Improvement of the APPAREO video recorder (VISION 1000)

SB 29.00.15 Rev 01 HYDRAULIC POWER – New hydraulic pump drive

ASB 25.00.79 EQUIPMENT AND FURNISHINGS – BREEZE 300 lb. (136 kg) ELECTRIC HOIST INSTALLATION Failure of the Pyrotechnic Squib Control to Operate

ASB 62.00.34 MAIN ROTOR – Swashplates – Check of the rotating star

ASB 52.00.35 DOORS – Crew doors – Check of the installation of the crew door actuators

“E”ASB 05.00.70 TIME LIMITS – MAINTENANCE CHECKS – Rear structure – Check of the rear frame reinforcement angles

IN 2714-I-20 STANDARD PRACTICES – Compliance with products to be applied to bolted assemblies

IN 2708-I-00 GENERAL – Information concerning the SRD (Status Revision Documentation)

IN 2679-I-00 GENERAL – Change of name from EUROCOPTER to Airbus Helicopters – Effect on documents

SIN 2740-S-25 EQUIPMENT AND FURNISHINGS – Check of the KANNAD emergency locator transmitter attachment straps

SIN 2571-S-00 GENERAL – Flight Safety of Helicopters – Issue of EHEST leaflet

EC130

SB 53-024 FUSELAGE Reinforcing the tail boom / Fenestron junction

ASB 62A010 MAIN ROTOR – Swashplates – Check of the rotating star

ASB 52A016 DOORS – Crew doors – Check of the installation of the crew door actuators

“E”ASB 05A017 FUSELAGE – Check of the tail boom / Fenestron junction frame

“E”ASB 53A019 FUSELAGE – Check of the tail boom / Fenestron junction frame

IN 2686-I-53 FUSELAGE – Integration of horizontal stabilizer shimming in the technical documentation

IN 2714-I-20 STANDARD PRACTICES – Compliance with products to be applied to bolted assemblies

IN 2708-I-00 GENERAL – Information concerning the SRD (Status Revision Documentation)

IN 2679-I-00 GENERAL – Change of name from EUROCOPTER to Airbus Helicopters – Effect on documents

SIN 2740-S-25 EQUIPMENT AND FURNISHINGS – Check of the KANNAD emergency locator transmitter attachment straps

SIN 2571-S-00 GENERAL – Flight Safety of Helicopters – Issue of EHEST leaflet

AS355

ASB 25.00.71 EQUIPMENT AND FURNISHINGS – BREEZE 300 LB. (136 kg) ELECTRIC HOIST INSTALLATION Failure of the Pyrotechnic Squib Control to Operate

ASB 05.00.68 AIR CONDITIONING – Cabin ventilation airscoop – Check of cabin ventilation airscoop draining

ASB 62.00.33 MAIN ROTOR – Swashplates – Check of the rotating star

ASB 52.00.28 DOORS – Crew doors – Check of the installation of the crew door actuators

“E”ASB 05.00.62 TIME LIMITS – MAINTENANCE CHECKS – Rear structure – Check of the rear frame reinforcement angles

IN 2714-I-20 STANDARD PRACTICES – Compliance with products to be applied to bolted assemblies

IN 2708-I-00 GENERAL – Information concerning the SRD (Status Revision Documentation)

IN 2697-I-80 STARTING – Upgrade of the starter generator retaining clamp

IN 2679-I-00 GENERAL – Change of name from EUROCOPTER to Airbus Helicopters – Effect on documents

SIN 2740-S-25 EQUIPMENT AND FURNISHINGS – Check of the KANNAD emergency locator transmitter attachment straps

SIN 2571-S-00 GENERAL – Flight Safety of Helicopters – Issue of EHEST leaflet

EC135

SB 21-016 AIR CONDITIONING – Bleed air heating – Replacement of the hose line routed from the transmission floor to the subfloor structure

SB 53-030 FUSELAGE – Rear structure – Ring frame X9227 reinforcement (with blind rivet with mushroom head) between rear structure tube and fenestron box

SB 71-011 Power Plant – Drain Hoses – Connection of the Drain Hoses to the Drain Bottle

SB 34-023 Navigation – Attitude and Heading Reference System – AHRU software upgrade to 420-00332-460 or 261500123-0460

SB 33-017 LIGHTS – Search and Landing Light – Modification of the IR switching logic for search and landing light 200/400WIR

SB 71-047 POWER PLANT – Drain lines – Modification of the fuel pump drain lines

SB 71-036 POWER PLANT – Compressor washing device – Retrofit of user-friendly connections for the compressor washing device

IN 2698-I-67 ROTOR FLIGHT CONTROL – Main Rotor Controls – Lateral control rod – Information concerning the installation of additional Teflon washers

IN 2708-I-00 GENERAL – Information concerning the SRD (Status Revision Documentation)

IN 2679-I-00 GENERAL – Change of name from EUROCOPTER to Airbus Helicopters – Effect on documents

TIP-INDEX-EC135

TIP 34-038 Weather Radar RDR 2000

TIP 67-023 Improvement of the collective weight compensation unit

TIP 63-016 Rotor Mast Seal

TIL EC135 043-2014

SIN 2695-S-25 EQUIPMENT AND FURNISHINGS – Automatically Deployable Emergency Locator Transmitter (ADELT) series 15-503-134 and 15-503-134-1 equipped with a Beacon Release Unit (BRU) P/N 503-21

SIN 2571-S-00 GENERAL – Flight Safety of Helicopters – Issue of EHEST leaflet

AS365

SB 33.00.24 LIGHTS – Cargo overhead light obsolescence

ASB 01.00.65 LIMITATIONS – Emergency beacon – “TRANSMIT” command usage limitation on the control unit of Crash Position Indicator (CPI) emergency beacon TYPE 15-503-134

ASB 28.00.40 FUEL – Supply – Check of the correct operation of the fuel shut-off valves

ASB 05.00.61 TIME LIMITS – MAINTENANCE CHECKS – Tail Gearbox (TGB) – Checking the condition of the TGB control rod bearing

“E”ASB 05.00.57 TIME LIMITS / MAINTENANCE CHECKS – Check of the lateral parts of the 9° frame

“E”ASB 05.00.68 TIME LIMITS – MAINTENANCE CHECKS – Inspection of the upper part of the 9° frame

IN 2639-I-55 STABILIZER(S) – Failure of side fin attachment studs

IN 2714-I-20 STANDARD PRACTICES – Compliance with products to be applied to bolted assemblies

IN 2708-I-00 GENERAL – Information concerning the SRD (Status Revision Documentation)

IN 2696-I-52 DOORS – Sliding doors – Inspection of releasable windows

IN 2679-I-00 GENERAL – Change of name from EUROCOPTER to Airbus Helicopters – Effect on documents

SIN 2740-S-25 EQUIPMENT AND FURNISHINGS – Check of the KANNAD emergency locator transmitter attachment straps

SIN 2695-S-25 EQUIPMENT AND FURNISHINGS – Automatically Deployable Emergency Locator Transmitter (ADELT) series 15-503-134 and 15-503-134-1 equipped with a Beacon Release Unit (BRU) P/N 503-21

SIN 2729-S-00 GENERAL – GHANA AS365 N Accident, May 8, 2014

SIN 2571-S-00 GENERAL – Flight Safety of Helicopters – Issue of EHEST leaflet

BO105

ASB 10-125 Main Transmission – Inspection of the magnetic plug/electrical chip detector/oil filter and additional measures after chip detection on the magnetic plug / electrical chip detector

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

IN 2708-I-00 GENERAL – Information concerning the SRD (Status Revision Documentation)

IN 2679-I-00 GENERAL – Change of name from EUROCOPTER to Airbus Helicopters – Effect on documents

SIN 2571-S-00 GENERAL – Flight Safety of Helicopters – Issue of EHEST leaflet

BK117

SB 90-123 Electrical Equipment — VARTOMS Introduction of a new Outside Air Temperature (OAT) sensor 132NE

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

IN 2708-I-00 GENERAL – Information concerning the SRD (Status Revision Documentation)

IN 2679-I-00 GENERAL – Change of name from EUROCOPTER to Airbus Helicopters – Effect on documents

SIN 2571-S-00 GENERAL – Flight Safety of Helicopters – Issue of EHEST leaflet

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