# Turbomeca ARRIEL-1B

- Type: Engine model (FAA registry)
- Registry code: 60042
- Manufacturer (registry): TURBOMECA
- Model: ARRIEL 1B
- Engine type: Turbo-shaft
- Power: 641 hp
- Data sheet: [TCDS E19EU](https://openairdocs.org/tcds/E19EU) (OpenAirDocs)
- Holder: Safran Helicopter Engines, S.A.S.
- Installed in: 18 registered aircraft
- Page: https://openairdocs.org/engine/turbomeca-arriel-1b

Model codes come from the FAA registry's reference file.

## ADs that may apply (OpenAirDocs)

Matched to this engine model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment.

- [AD 2021-05-22](https://openairdocs.org/ad/2021-05-22): Turbine Section · Turbomeca Arriel 1B, Arriel 1C, Arriel 1C2 and 3 more. Effective Mar 22, 2021
- [AD 2017-15-07](https://openairdocs.org/ad/2017-15-07): Fuel Control/Turbine Engines · Safran Helicopter Engines Arriel 1A1, Arriel 1A2, Arriel 1B and 9 more. Effective Aug 8, 2017
- [AD 2016-22-10](https://openairdocs.org/ad/2016-22-10): Centrifugal impeller · Turbomeca Arriel 1, Arriel 1A, Arriel 1A1 and 13 more. Effective Dec 6, 2016
- [AD 2015-13-04](https://openairdocs.org/ad/2015-13-04): Engine accessory gearbox (AGB) · Turbomeca Arriel 1A1, Arriel 1A2, Arriel 1B and 16 more. Effective Sep 1, 2015
- [AD 2013-24-05](https://openairdocs.org/ad/2013-24-05): Free turbine module · Turbomeca Arriel 1A1, Arriel 1A2, Arriel 1B and 9 more. Effective Jan 28, 2014
- [AD 2013-08-22](https://openairdocs.org/ad/2013-08-22): Tachometer's unit cycle-counting feature · Turbomeca Arriel 1A1, Arriel 1A2, Arriel 1B and 9 more. Effective May 28, 2013
- [AD 2012-27-02](https://openairdocs.org/ad/2012-27-02): High gas generator speed (NG) rating vibration check · Turbomeca Arriel 1A1, Arriel 1A2, Arriel 1B and 9 more. Effective Feb 14, 2013
- [AD 2012-24-03](https://openairdocs.org/ad/2012-24-03): Gas generator rotating assembly · Turbomeca Arriel 1A, Arriel 1A1, Arriel 1A2 and 10 more. Effective Jan 7, 2013
- [AD 2011-27-01](https://openairdocs.org/ad/2011-27-01): 2nd stage Nozzle Guide Vanes · Turbomeca Arriel 1B. Effective Jan 27, 2012
- [AD 2010-19-06 R1](https://openairdocs.org/ad/2010-19-06-R1): Turbine disc · Turbomeca Arriel 1A, Arriel 1A1, Arriel 1B and 6 more. Effective Jan 17, 2012
- [AD 2010-10-09](https://openairdocs.org/ad/2010-10-09): 2nd stage turbine blades · Turbomeca Arriel 1B, Arriel 1D, Arriel 1D1 and 1 more. Effective Jun 21, 2010
- [AD 2009-08-08 R1](https://openairdocs.org/ad/2009-08-08-R1): PT Blades · Turbomeca Arriel 1B, Arriel 1D, Arriel 1D1 and 2 more. Effective May 7, 2010
- [AD 2010-02-01](https://openairdocs.org/ad/2010-02-01): Reduction Gear Box Intermediate Pinion · Turbomeca Arriel 1B, Arriel 1D and Arriel 1D1. Effective Feb 18, 2010
- [AD 2009-26-07](https://openairdocs.org/ad/2009-26-07): Reduction gearboxes (module M05) · Turbomeca Arriel 1A1, Arriel 1A2, Arriel 1B and 9 more. Effective Jan 12, 2010
- [AD 2007-02-17](https://openairdocs.org/ad/2007-02-17): Fuel leak at the level of start electro valve · Turbomeca Arriel 1A, Arriel 1A1, Arriel 1A2 and 12 more. Effective Mar 2, 2007
- [AD 2006-06-17](https://openairdocs.org/ad/2006-06-17): 2nd stage nozzle guide vanes (NGV2) · Turbomeca Arriel 1B, Arriel 1D and Arriel 1D1. Effective Apr 27, 2006
- [AD 2003-16-03](https://openairdocs.org/ad/2003-16-03): Second Stage Turbine Disk · Turbomeca Arriel 1A, Arriel 1A1, Arriel 1A2 and 10 more. Effective Sep 12, 2003
- [AD 2003-11-08](https://openairdocs.org/ad/2003-11-08): 2nd stage gas generator · Turbomeca Arriel 1B, Arriel 1D and Arriel 1D1. Effective Jul 3, 2003
- [AD 2002-14-26](https://openairdocs.org/ad/2002-14-26): Containment Shield Rings · Turbomeca Arriel 1A, Arriel 1A1, Arriel 1B and 2 more. Effective Aug 6, 2002
- [AD 2000-20-01](https://openairdocs.org/ad/2000-20-01): Rear Bearing Oil Return System · Turbomeca Arriel 1A, Arriel 1A1, Arriel 1A2 and 9 more. Effective Oct 17, 2000
- [AD 94-25-08](https://openairdocs.org/ad/94-25-08): Gearboxes · Turbomeca Arriel 1A, Arriel 1A1, Arriel 1B and 2 more. Effective Jan 17, 1995
- [AD 91-24-02](https://openairdocs.org/ad/91-24-02): Main Rotor Drive Shaft · Turbomeca Arriel 1B, Arriel 1D and Arriel 1D1. Effective Feb 21, 1992

Historical (superseded or no longer in force):

- [AD 2017-04-51](https://openairdocs.org/ad/2017-04-51) (historical): Fuel Control/ Turbine Engines · Safran Helicopter Engines Arriel 1A1, Arriel 1A2, Arriel 1B and 9 more. Effective Mar 30, 2017
- [AD 2014-19-05](https://openairdocs.org/ad/2014-19-05) (historical): Engine accessory gearbox (AGB) · Turbomeca Arriel 1A1, Arriel 1A2, Arriel 1B and 16 more. Effective Nov 5, 2014
- [AD 2010-19-06](https://openairdocs.org/ad/2010-19-06) (historical): Gas generator · Turbomeca Arriel 1A, Arriel 1A1, Arriel 1B and 6 more. Effective Oct 6, 2010
- [AD 2009-12-51](https://openairdocs.org/ad/2009-12-51) (historical): Gearboxes (module M05) · Turbomeca Arriel 1A1, Arriel 1A2, Arriel 1B and 9 more. Effective Jul 15, 2009
- [AD 2009-08-08](https://openairdocs.org/ad/2009-08-08) (historical): Power turbine blades · Turbomeca Arriel 1B, Arriel 1D and Arriel 1D1. Effective Apr 29, 2009
- [AD 2008-07-01](https://openairdocs.org/ad/2008-07-01) (historical): Gas generator 2nd stage turbine blades · Turbomeca Arriel 1B, Arriel 1D, Arriel 1D1 and 1 more. Effective Apr 30, 2008
- [AD 2006-02-08 R1](https://openairdocs.org/ad/2006-02-08-R1) (historical): Gas generator 2nd stage turbine blades. · Turbomeca Arriel 1B, Arriel 1D, Arriel 1D1 and 17 more. Effective Sep 13, 2006
- [AD 2006-02-08](https://openairdocs.org/ad/2006-02-08) (historical): 2nd stage turbine blades · Turbomeca Arriel 1B, Arriel 1D, Arriel 1D1 and 1 more. Effective Feb 28, 2006
- [AD 2003-12-14](https://openairdocs.org/ad/2003-12-14) (historical): Axial Compressor · Turbomeca Arriel 1A, Arriel 1A1, Arriel 1A2 and 11 more. Effective Jul 25, 2003
- [AD 95-11-01](https://openairdocs.org/ad/95-11-01) (historical): Generator · Turbomeca Arriel 1A, Arriel 1A1, Arriel 1A2 and 6 more. Effective Jun 21, 1995

## Registered aircraft (18)

- [N111LN](https://openairdocs.org/aircraft/N111LN): [C Lou Leasing LLC](https://openairdocs.org/faa-owner/C%20LOU%20LEASING%20LLC), [Mankato, MN](https://openairdocs.org/faa-place/MN/Mankato), built 1984, S/N 1602
- [N114MX](https://openairdocs.org/aircraft/N114MX): [Air Resources Helicopters Inc](https://openairdocs.org/faa-owner/AIR%20RESOURCES%20HELICOPTERS%20INC), [Salt Lake City, UT](https://openairdocs.org/faa-place/UT/Salt%20Lake%20City), built 1984, S/N 1747
- [N11QD](https://openairdocs.org/aircraft/N11QD): [Mansfield Heliflight Inc](https://openairdocs.org/faa-owner/MANSFIELD%20HELIFLIGHT%20INC), [Milton, VT](https://openairdocs.org/faa-place/VT/Milton), built 2001, S/N 3363
- [N234BU](https://openairdocs.org/aircraft/N234BU): [Heli-USA Corp](https://openairdocs.org/faa-owner/HELI-USA%20CORP), [Houston, TX](https://openairdocs.org/faa-place/TX/Houston), S/N 1210
- [N27WA](https://openairdocs.org/aircraft/N27WA): [Wings Air Helicopters LLC](https://openairdocs.org/faa-owner/WINGS%20AIR%20HELICOPTERS%20LLC), [West Harrison, NY](https://openairdocs.org/faa-place/NY/West%20Harrison), built 1994, S/N 2792
- [N345HE](https://openairdocs.org/aircraft/N345HE): [Aircraft Guaranty Corp Trustee](https://openairdocs.org/faa-owner/AIRCRAFT%20GUARANTY%20CORP%20TRUSTEE), [Oklahoma City, OK](https://openairdocs.org/faa-place/OK/Oklahoma%20City), built 1980, S/N 1357
- [N352PA](https://openairdocs.org/aircraft/N352PA): [Pathfinder Leasing LLC](https://openairdocs.org/faa-owner/PATHFINDER%20LEASING%20LLC), [Anchorage, AK](https://openairdocs.org/faa-place/AK/Anchorage), built 2000, S/N 3378
- [N352VH](https://openairdocs.org/aircraft/N352VH): [Elt Holdings LLC](https://openairdocs.org/faa-owner/ELT%20HOLDINGS%20LLC), [Cottonwood, AZ](https://openairdocs.org/faa-place/AZ/Cottonwood), built 1985, S/N 1838
- [N5805T](https://openairdocs.org/aircraft/N5805T): [Stefenelli Aviation N-Tr Inc Trustee](https://openairdocs.org/faa-owner/STEFENELLI%20AVIATION%20N-TR%20INC%20TRUSTEE), Attersee, S/N 1836
- [N596WA](https://openairdocs.org/aircraft/N596WA): [Fleet Unlimited Inc](https://openairdocs.org/faa-owner/FLEET%20UNLIMITED%20INC), [Pasadena, CA](https://openairdocs.org/faa-place/CA/Pasadena), built 1990, S/N 2329
- [N611TC](https://openairdocs.org/aircraft/N611TC): [Aircraft Trustee Services Inc Trustee](https://openairdocs.org/faa-owner/AIRCRAFT%20TRUSTEE%20SERVICES%20INC%20TRUSTEE), [Dover, DE](https://openairdocs.org/faa-place/DE/Dover), built 1988, S/N 2123
- [N744HD](https://openairdocs.org/aircraft/N744HD): [U S Helicopters Inc](https://openairdocs.org/faa-owner/U%20S%20HELICOPTERS%20INC), [Marshville, NC](https://openairdocs.org/faa-place/NC/Marshville), built 1981, S/N 1449
- [N827NA](https://openairdocs.org/aircraft/N827NA): [Roberts Aircraft LLC](https://openairdocs.org/faa-owner/ROBERTS%20AIRCRAFT%20LLC), [Cheyenne, WY](https://openairdocs.org/faa-place/WY/Cheyenne), built 1998, S/N 3144
- [N888HV](https://openairdocs.org/aircraft/N888HV): [Sky West Aviation Inc Trustee](https://openairdocs.org/faa-owner/SKY%20WEST%20AVIATION%20INC%20TRUSTEE), [Albuquerque, NM](https://openairdocs.org/faa-place/NM/Albuquerque), built 1990, S/N 2386
- [N888TV](https://openairdocs.org/aircraft/N888TV): [U S Helicopters Inc](https://openairdocs.org/faa-owner/U%20S%20HELICOPTERS%20INC), [Marshville, NC](https://openairdocs.org/faa-place/NC/Marshville), built 1978, S/N 2007
- [N927LB](https://openairdocs.org/aircraft/N927LB): [Elt Holdings LLC](https://openairdocs.org/faa-owner/ELT%20HOLDINGS%20LLC), [Cottonwood, AZ](https://openairdocs.org/faa-place/AZ/Cottonwood), built 1990, S/N 2347
- [N929WB](https://openairdocs.org/aircraft/N929WB): [Aircraft Trustee Services Inc Trustee](https://openairdocs.org/faa-owner/AIRCRAFT%20TRUSTEE%20SERVICES%20INC%20TRUSTEE), [Dover, DE](https://openairdocs.org/faa-place/DE/Dover), built 1990, S/N 2335
- [N963ES](https://openairdocs.org/aircraft/N963ES): [Fast Helicopters Inc Trustee](https://openairdocs.org/faa-owner/FAST%20HELICOPTERS%20INC%20TRUSTEE), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 1979, S/N 1089

## NTSB investigations (9)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB DCA20IA081](https://openairdocs.org/ntsb/DCA20IA081), Feb 6, 2020: Aerospatiale AS350BA (N611TC), Johnson Valley, CA, incident, minor damage. Probable cause: the failure of the small UAS remote pilot to give way to the helicopter, resulting in an inflight collision. Contributing to the incident was the sUAS remote pilot’s failure to assess and mitigate…
- [NTSB CEN18WA393](https://openairdocs.org/ntsb/CEN18WA393), Jul 20, 2018: Aerospatiale AS350 (N36033), Wolfsberg, Austria, substantial damage
- [NTSB ERA14FA010](https://openairdocs.org/ntsb/ERA14FA010), Oct 22, 2013: Eurocopter AS 350 B3 (N353HW), Somerville, TN, destroyed, 3 fatal. Probable cause: The pilot’s inadvertent encounter with night, instrument meteorological conditions while responding to an obstacle alert, resulting in an in-flight loss of helicopter control.
- [NTSB MIA08LA199](https://openairdocs.org/ntsb/MIA08LA199), Sep 19, 2008: Eurocopter AS-350-BA (N906BA), Linden, NJ, substantial damage. Probable cause: The flight instructor’s delayed remedial action (flight control inputs) during a practice autorotation/run-on landing resulting in fracture damage to the main rotor system Starflex.
- [NTSB ANC08LA076](https://openairdocs.org/ntsb/ANC08LA076), Jun 23, 2008: Eurocopter AS-350 BA (N357CH), Chickaloon, AK, substantial damage. Probable cause: The pilot's incorrect actions during an out-of ground-effect hover, which resulted in the helicopter entering a main rotor ring vortex state, and a settling with power condition, producing an…
- [NTSB LAX06FA080](https://openairdocs.org/ntsb/LAX06FA080), Jan 5, 2006: Eurocopter EC 130B4 (N11QD), Lahaina, HI, substantial damage. Probable cause: An intermittent electrical continuity failure and short of the DECU-XPC wiring harness, which resulted in an uncommanded and an initially undetected engine deceleration and a resulting loss of main…
- [NTSB IAD99GA056](https://openairdocs.org/ntsb/IAD99GA056), Aug 3, 1999: Eurocopter AS-350 (N211PD), Islip, NY, substantial damage. Probable cause: The pilot's loss of control during hydraulics-off hovering flight and the instructor's inadequate supervision of the maneuver. A factor was the tailwind.
- [NTSB NYC97LA154](https://openairdocs.org/ntsb/NYC97LA154), Jul 28, 1997: Aerospatiale AS-350B (N61TV), Philadelphia, PA, substantial damage. Probable cause: failure of the pilot to follow the checklist and verify the throttle was in the ON position before lift-off, which resulted in low rotor RPM and loss of control, while attempting to hover/taxi.
- [NTSB SEA83FAD01](https://openairdocs.org/ntsb/SEA83FAD01), Nov 8, 1982: Aerospatiale S350D (N3597Q), Starfish, AK, substantial damage, 2 fatal

## FAA accident and incident reports (9)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Accident 20131022019759A](https://openairdocs.org/incident/20131022019759A), Oct 22, 2013: Eurocopter AS 350 B3 (N353HW), Somerville, TN, Destroyed, 3 fatal. On October 22, 2013, about 0605 central daylight time (CDT), a Eurocopter AS350 B3, N353HW, impacted trees and terrain near Somerville, Tennessee. The…
- [Accident 20080919850569A](https://openairdocs.org/incident/20080919850569A), Sep 19, 2008: Snias AS350B (N906BA), Linden, NJ, Substantial damage. (-23) Training captain was administering new hire check ride. New hire pilot allowed rotor r.p.m. to decay dangerously low. Training captain was too late in…
- [Accident 20080623840969A](https://openairdocs.org/incident/20080623840969A), Jun 23, 2008: Snias AS350BA (N357CH), Chickaloon, AK, Substantial damage. (-23) According to the pilot, he was attempting to place the load. He reduced power by too much and started a fast descent rate and felt a small vibration…
- [Incident 20070426006889I](https://openairdocs.org/incident/20070426006889I), Apr 26, 2007: Snias AS350B (N3597Q), Cordova, AK, Minor damage. (-23) Pilot was attempting to land on a ridge line when he encountered a down draft and a 180 degree wind switch on the landing pad. The helicopter landed left…
- [Accident 20060105003109A](https://openairdocs.org/incident/20060105003109A), Jan 5, 2006: Urocop EC130B4 (N11QD), Honokohau, HI, Substantial damage. (-23) Aircraft departed out of kahului airport on tour flight of 60 minutes. Operations were normal in waihee valley. As aircraft began descent into Honokohau…
- [Accident 19990803010689A](https://openairdocs.org/incident/19990803010689A), Aug 3, 1999: Snias AS350BA (N211PD), Islip, NY, Substantial damage. Suffolk county police department public use helicopter (1994 Eurocopter AS-350A) was hovering over the grass parallel to rwy 33L when it lost control, crashed,…
- [Accident 19970728019769A](https://openairdocs.org/incident/19970728019769A), Jul 28, 1997: Snias AS350B (N61TV), Philadelphia, PA, Substantial damage. New helicopter was attempting to lift off heliport when it flipped over on its side.
- [Incident 19890817048449I](https://openairdocs.org/incident/19890817048449I), Aug 17, 1989: Snias AS350B (N5805T), Lamarque, TX. Rising engine temperature and compressor stall. Forced landing. Electric tachometer control box malfunctioned.
- [Accident 19821108059659A](https://openairdocs.org/incident/19821108059659A), Nov 8, 1982: Snias AS350D (N3597Q), Wrangell, AK, Substantial damage, 1 fatal. Helicopter was observed over camp, when out of sight explosion was heard, search located crash site.

## Service difficulty reports (807, newest 50)

As reported by operators and repair stations, by the model named in the report.

- [SDR 2025FA0000669](https://openairdocs.org/sdr/2025FA0000669), Sep 16, 2025: MODULE. MAKING METAL. AFTER LANDING, THE PILOT IDENTIFIED AN ABNORMAL SOUND FROM THE REAR PORTION OF THE ENGINE. THE PILOT RECORDED A VIDEO TO CAPTURE THE SOUND. AFTER THE ROTOR STOP
- [SDR CA190301007](https://openairdocs.org/sdr/CA190301007), Feb 24, 2019: LINE. CRACKED. (CAN) AIRCRAFT START WAS ATTEMPTED AND ABORTED DUE TO THE ENGINE HANGING DURING START. UPON INVESTIGATION BY AN ENGINEER IT WAS DISCOVERED THAT THE LEFT HAND ST
- [SDR 2017FA0000357](https://openairdocs.org/sdr/2017FA0000357), Jan 11, 2017: BLOWER MOTOR. FAILED. PILOT REPORTED FOUL ODOR AND THEN LIGHT SMOKE IN THE CABIN. ONCE DETERMINED NO OTHER ANOMALIES, PERFORMED A PRECAUTIONARY LANDING WITH NO FURTHER ISSUES. MECHAN
- [SDR CA140319006](https://openairdocs.org/sdr/CA140319006), Mar 18, 2014: CONTROL LEVER. MALFUNCTIONED. (CAN) DURING ALF, AFTER LAST FLIGHT, CHECK, THE TAIL ROTOR CONTROL PITCH LEVER LOWER BUSHING WAS FOUND LOOSE. THIS WAS NOTICED BY EXCESSIVE TWISTING/ROCKING MOV
- [SDR CA131107009](https://openairdocs.org/sdr/CA131107009), Oct 30, 2013: STARFLEX. CRACKED. (CAN) VISUAL ROUTINE INSPECTION REVEALED CRACK ON ONE STARFLEX END-BUSHING SEALER.
- [SDR CA130916012](https://openairdocs.org/sdr/CA130916012), Aug 27, 2013: PUMP. FAILED. (CAN) DURING FLIGHT THE PILOT NOTED LOW FUEL PRESSURE INDICATION. AS IS NORMAL PROCEDURE IN THIS CASE, THE PILOT LOCATED A SUITABLE LANDING SITE AND LANDED THE 
- [SDR CA130826008](https://openairdocs.org/sdr/CA130826008), Aug 26, 2013: LOCK PLATE. CRACKED. (CAN) LOWER BEARING LOCK PLATE FOUND CRACKED AND DISLODGED, JAMMING INTO SHAFT SPLINES. 1 LOOP OF LOCKWIRE, NON-O/H SHOP, MISSING AT LOCKING FEATURE LOCATION.
- [SDR CA130809008](https://openairdocs.org/sdr/CA130809008), Aug 8, 2013: BEARING. WORN. (CAN) FOUND TAIL ROTOR HALF MOON BEARINGS WEARING QUICKLY OVER SEVERAL DAILY INSPECTIONS IN AREAS REFERENCED IN DOCUMENT AMM 64-10-00, 6-1B SECTION 10 AND FIGUR
- [SDR CA130402007](https://openairdocs.org/sdr/CA130402007), Apr 1, 2013: SEAT. CRACKED. (CAN) PILOT SEAT BACK, PN 350A77-1258-0802, ON LT SIDE CRACKED WHEN PILOT LEANED BACK TO UNDO HIS SEAT BELT TO PUT IT ON FOR HIS FIRST FLIGHT OF THE DAY.
- [SDR CA120926010](https://openairdocs.org/sdr/CA120926010), Sep 21, 2012: BOLT. SHEARED. (CAN) WHILE CONDUCTING A 600 HR DETAILED CHECK OF THE M/R HEAD AND M/R HEAD STARFLEX. REPLACEMENT 1 OF THE M/R ATTACH BOLTS WAS FOUND SHEARED AND CORRODED. BOLT
- [SDR CA120622003](https://openairdocs.org/sdr/CA120622003), Jun 20, 2012: BUSHING. WORN. (CAN) WHEN THE TAIL ROTOR BLADES WERE REMOVED FOR SCHEDULED MX. THE CONTROL SPIDER ASSEMBLY WAS FOUND TO BE MOVING LOOSELY ON THE SHAFT. AFTER FURTHER INVESTIGA
- [SDR CA120523011](https://openairdocs.org/sdr/CA120523011), May 14, 2012: BEARING. LEAKING. (CAN) EXCESSIVE GREASE LEAKAGE FROM MAIN ROTOR SWASHPLATE BEARING FOUND AT ALF AFTER LAST FLIGHT, INSPECTION. SWASHPLATE CHECK FOR OVERTEMP, NO ABNORMAL TEMPERA
- [SDR QMLA2012050512073](https://openairdocs.org/sdr/QMLA2012050512073), May 5, 2012: UNKNOWN. UNKNOWN. AFTER DEPARTING, LEVELED OFF AT 1500 MSL, ENGINE TEMPERATURE APPROXIMATELY 600 DEGREES, ROTOR & ENGINE IN GREEN RANGE. HEARD A LOUD BANG FOLLOWED BY AN IMMEDIAT
- [SDR QMLA2012041612061](https://openairdocs.org/sdr/QMLA2012041612061), Apr 16, 2012: BLEED VALVE. FAILED. IN CRUISE, AT APPROX 78 PERCENT TORQUE, 110 KIAS, AND 2000 FT MSL, EXPERIENCED A VERY LOUD NOISE & HARD JERK IN YAW AXIS OF AT LEAST 45 DEGREES TO RT. REPLACED 
- [SDR CA120403001](https://openairdocs.org/sdr/CA120403001), Mar 31, 2012: MAGNETIC SEAL. LEAKING. (CAN) LEAK DISCOVERED DURING ALF INSPECTION, ENGINE DECK COVERED WITH ENGINE OIL, COMING FROM REAR OF ENGINE, MODULE 5 MAG SEAL. OIL CONSUMPTION STILL WITHIN LI
- [SDR CA120314004](https://openairdocs.org/sdr/CA120314004), Mar 11, 2012: SERVO. LEAKING. (CAN) AFTER A FLIGHT, DURING THE ALF CHECK, THE PILOT DISCOVERS PRESENCE OF HYDRAULIC FLUID AROUND THE LT MAIN ROTOR SERVO. AFTER CLEANING, IT IS DISCOVERED DUR
- [SDR CA120217008](https://openairdocs.org/sdr/CA120217008), Feb 13, 2012: FCU. MALFUNCTIONED. (CAN) THE PILOT REPORTED DIFFICULTIES RELATING TO HUNG OR HOT STARTS, IN ADDITION TO ROTOR SPEED PROBLEMS. DURING AN INSPECTION AT THE END OF THE DAY, AIR WAS F
- [SDR CA120207003](https://openairdocs.org/sdr/CA120207003), Feb 7, 2012: BRACKET. DETACHED. (CAN) VERTICAL STABILIZER ASSY,UPPER WAS INSPECTED DURING A 600 HRS SCHEDULED INSPECTION AND FOUND THAT THE INTERNAL WIRING HARNESS TUBE HOLDER STEEL BRACKET WA
- [SDR CA120202001](https://openairdocs.org/sdr/CA120202001), Jan 30, 2012: BELLCRANK. WORN. (CAN) AFT RT BELLCRANK UNDER TRANSMISSION DECK FOUND CONTACTING AN AIRFRAME GUSSET AND CAUSING A TEAR IN THAT GUSSET. AFT LT AND RT, 350A27-1452-03, LT AND -02 
- [SDR CA120116005](https://openairdocs.org/sdr/CA120116005), Jan 16, 2012: SPRING. CORRODED. (CAN) DURING A 600 HRS INSPECTION, THE COLLECTIVE SPRING ROD ANTICIPATOR WAS FOUND HARD TO OPERATED DUE TO INTERNAL CORROSION.
- [SDR QMLA2011100311096](https://openairdocs.org/sdr/QMLA2011100311096), Oct 3, 2011: FUEL SYS. LEAKING. THE PILOT AND MEDICAL CREW SMELLED FUEL IN THE CABIN SHORTLY AFTER TAKEOFF. THE ODOR APPEARED TO BE MORE SIGNIFICANT IN THE AFT CABIN AREA. THE PILOT IMMEDIATEL
- [SDR CA110923011](https://openairdocs.org/sdr/CA110923011), Sep 20, 2011: OIL SYSTEM. LEAKING. (CAN) EXCESSIVE OIL LEAK AT OIL FILTER HOUSING BOWL "T" BOLT. FILTER HSG AND MANIFOLD, AS WELL AS OIL PUMP REPLACED WITH NO CHANGE IN LEAK STATUS. PRESSURE TAPP
- [SDR CA110831007](https://openairdocs.org/sdr/CA110831007), Aug 17, 2011: CABLE. DISCONNECTED. (CAN) THE FUEL CONTROL CABLE END (KNOWN AS THE "END EQUIPPED") INADVERTENTLY BECAME DISCONNECTED FROM THE BALL JOINT ON THE FUEL CONTROL ARM . THE SAFETY MECHAN
- [SDR CA110616006](https://openairdocs.org/sdr/CA110616006), Jun 14, 2011: TRANSMITTER. FAULTY. ON APPROACH THE PILOT NOTICED OIL PRESSURE FAILURE ON PRESSURE INDICATING GAUGE, MX TROUBLESHOOTING OF SYS DECIDED THAT THE ABOVE MENTIONED PART WAS FAULTY. THE
- [SDR CA110608004](https://openairdocs.org/sdr/CA110608004), Jun 5, 2011: ENGINE. NOISY. (CAN) PILOT HEARD STRANGE NOISE THEN NOTICED NG INDICATOR BEING ERRATIC AND WAS FOLLOWED BUT WHAT HE THOUGHT WAS A FLAMEOUT. ACFT SUBSEQUENTLY CRASHED INTO A LA
- [SDR CA110608002](https://openairdocs.org/sdr/CA110608002), Jun 4, 2011: OIL COOLER. LEAKING. OIL LEAK DISCOVERED AT THE ENGINE OIL COOLER AREA DURING ALF CHECK. AREA CLEANED AND INSPECTED, WITHOUT DEFECT. HOSES VERIFIED FOR TIGHTNESS, NO DEFECT. RUN-UP 
- [SDR CA110603006](https://openairdocs.org/sdr/CA110603006), May 19, 2011: BATTERY. FAILED. DURING ANNUAL ELT PERFORMANCE TEST IT WAS FOUND THAT THE BATTERY VOLTAGE WOULD DROP BELOW MFG MINIMUM SPEC DURING TRANSMIT. UNDER TEST THE BATTERY VOLTAGE DROPP
- [SDR CA110428017](https://openairdocs.org/sdr/CA110428017), Apr 27, 2011: COUPLING. FAILED. THE MAIN COUPLING THAT DRIVES THE HYD PUMP HAD FAILED. THERE WAS NO LOSS OF HYD POWER YET AS THE RUBBER COUPLING HAD LODGED ITSELF IN SUCH A WAY THAT IT COULD S
- [SDR CA110419013](https://openairdocs.org/sdr/CA110419013), Apr 17, 2011: SPAR. CRACKED. LOWER FIN DEFECT WAS FOUND . THE TAILCONE WAS REMOVED TO INSPECT AND FOUND THE CRACK IN THE SPAR OF THE LOWER VERTICAL FIN.
- [SDR CA110329005](https://openairdocs.org/sdr/CA110329005), Mar 28, 2011: DIODE. FAILED. ACTIVATING THE MASTER CUT OFF SWITCH WILL CAUSE BATTERY FUSE WOULD BLOW CAUSING A LOST OF NR AND T4 INDICATION.
- [SDR CA110329007](https://openairdocs.org/sdr/CA110329007), Mar 28, 2011: THRUST BEARING. CRACKED. (CAN) ELASTOMERIC PORTION OF SPHERICAL THRUST BEARING FOUND CRACKED BEYOND ALLOWABLE LIMITS. MAX ALLOWED DEPTH=10MM, AS FOUND=19MM. MAX ALLOWABLE LENGTH= 20MM, 
- [SDR CA101123009](https://openairdocs.org/sdr/CA101123009), Oct 28, 2010: BOOT. MISINSTALLED. SWASHPLATE BOOT BREATHER HOLE FOUND ON UPPER SIDE OF LOWER BOOT FOLD. THREE SEPARATE OCCASIONS, HOLE SHOULD BE ON LOWER SIDE OF FOLD IN ORDER TO AVOID ENTRY OF 
- [SDR CA101007005](https://openairdocs.org/sdr/CA101007005), Oct 6, 2010: LINE. BROKEN. (CAN) AFTER A FLIGHT, SOME FUEL IS FOUND ON THE ENGINE DECK. A START IS C/O, AND THE LEAK IS FOUND ON THE PIPE, AT THE INJECTOR SIDE. THE PIPE IS REMOVED, AND D
- [SDR CA101012008](https://openairdocs.org/sdr/CA101012008), Oct 5, 2010: TURBINE WHEEL. INOPERATIVE. PILOT DROPPED OFF PASSENGERS FOR LUNCH AFTER FIRST FLIGHT THEN PROCEEDED TO AIRPORT TO REFUEL. PILOT RETURNED TO PICK UP PASSENGERS. AFTER LOADING, THE PILOT TR
- [SDR CA100929002](https://openairdocs.org/sdr/CA100929002), Sep 26, 2010: PIPE. CRACKED. (CAN) AFTER 1 START, SLOWER THAN USUAL, THE HELICOPTER TAKESOFF TO TAKE POSITION AT THE CLIENT`S FACILITY, VERY CLOSE TO THE DEPARTING POINT, 2 MINUTES OF FLIGH
- [SDR S9H2010F00003](https://openairdocs.org/sdr/S9H2010F00003), Sep 6, 2010: CHIP DETECTOR. ACTIVATED. FLIGHT RETURNING, ON RANCH SHUTTLE, PILOT EXPERIENCED AN ENGINE CHIP LIGHT. IAW THE EMERGENCY PROCEDURE, THE PILOT LANDED THE ACFT "AS SOON AS POSSIBLE". THE PI
- [SDR CA100804015](https://openairdocs.org/sdr/CA100804015), Jul 26, 2010: GEARBOX. MAKING METAL. THE TAIL ROTOR GEARBOX WAS GENERATING METAL CONTAMINATION. TAIL ROTOR GEARBOX REPLACED.
- [SDR CA100623003](https://openairdocs.org/sdr/CA100623003), Jun 21, 2010: BLADE. CRACKED. (CAN) 16 CM CRACK FOUND ON MAIN ROTOR BLADE INTRADOS SECTION C LOCATED 144 CM FROM STATION 0.0 MM CORDWISE.
- [SDR CA100526007](https://openairdocs.org/sdr/CA100526007), May 11, 2010: IGNITER. CRACKED. (CAN) DURING SCHEDULED ENGINE INSPECTION A TRANSVERSE CRACK WAS FOUND IN THE INSULATOR MATERIAL AT THE TIP OF THE IGNITER. PART TSN=UKN, S/N 09036049. PART WAS 
- [SDR RMXA2009111001](https://openairdocs.org/sdr/RMXA2009111001), Nov 1, 2009: START VALVE. LEAKING. ON TAKEOFF, MEDCREW DETECTED FUEL ODOR AND AT 100 FT PILOT DETECTED FUEL ODOR AND RETURNED TO BASE. START VALVE LEAKING.
- [SDR CA090910006](https://openairdocs.org/sdr/CA090910006), Sep 9, 2009: PUMP. FAILED. FUEL P CAUTION LIGHT DURING CRUISE. TEST C/O BY PILOT, FOUND THAT BOOST PUMP NR 2 IS NOT DELIVERING PRESSURE. PUMP SWITCH TURNED OFF. ACFT LANDED NORMALLY. INVE
- [SDR 2009FA0000773](https://openairdocs.org/sdr/2009FA0000773), Sep 3, 2009: EXHAUST STACK. CRACKED. EXHAUST STACK ASSY FOUND TO BE CRACKED AT RELIEF POINTS AROUND BASE IN 2 PLACES. 1ST STACK LASTED 411.1 HOURS, THEN INSTALLED REPAIRED STACK, THIS LASTED APPROX
- [SDR CA090820006](https://openairdocs.org/sdr/CA090820006), Jul 21, 2009: ACCUMULATOR. FAILED. (CAN) ACCUMULATOR FAILED UPON PRE-TAKEOFF FUNCTIONNAL TEST. THESE PARTS ARE ON CONDITION, NO LIFE LIMIT. (TC# 20090820006)
- [SDR CA090827007](https://openairdocs.org/sdr/CA090827007), Jul 20, 2009: SKIN. CRACKED. DOUBLERS PN 350A09-0149-20 AND 23 WERE FOUND CRACKED AT BEND RADIUS IMMEDIATELY ADJACENT TO TAILBOOM SKIN. DEFECTIVE PARTS REPLACED WITH NEW.
- [SDR CA090708004](https://openairdocs.org/sdr/CA090708004), Jul 6, 2009: MOTOR. MALFUNCTIONED. (CAN) WHILE THE PILOT WAS SITTING ON THE GROUND IDLING HE NOTICED SMOKE THEN A FLAME COMING FROM THE CENTRE POST BETWEEN THE TWO FRONT WINDSHIELDS. HE IMMEDIATE
- [SDR CA090715005](https://openairdocs.org/sdr/CA090715005), Jun 30, 2009: FCU. INOPERATIVE. RATCHETY ARM ON THROTTLE BETWEEN 0 AND 30 PERCENT, REPLACED FCU.
- [SDR QMLA2009062709022](https://openairdocs.org/sdr/QMLA2009062709022), Jun 27, 2009: HEATER. OPEN. ON DEPARTURE, AT CRUISE, FLIGHT CREW DETECTED A HOT BURNING ODOR. FLIGHT WAS ABORTED AND ACFT RETURNED TO BASE. MECHANIC CALLED. UPON REACHING CRUISE, FLIGHT CR
- [SDR 2009FA0000519](https://openairdocs.org/sdr/2009FA0000519), Jun 4, 2009: ELT. FAILED. ELT MALFUNCTIONED IN FLIGHT. UPON RETURN TO BASE, WE RESET THE UNIT, PERFORMED A FUNCTION CHECK. WE TOOK THE AIRCRAFT FOR A FLIGHT AND IT FAILED IN FLIGHT AGAIN
- [SDR RMXA3144060309](https://openairdocs.org/sdr/RMXA3144060309), May 31, 2009: LIGHT. BURNED. PILOT DEPARTED AND WAS ENROUTE WHEN A BURNING ODOR BECAME EVIDENT IN THE COCKPIT AND THEN FOLLOWED BY VISIBLE SMOKE COMING FROM THE LT SIDE OF THE INSTRUMENT CE
- [SDR CA090525001](https://openairdocs.org/sdr/CA090525001), May 24, 2009: PRESSURE SWITCH. UNSERVICEABLE. (CAN) "HYD" WARNING LIGHT WOULD NOT GO OUT DURING SERVICING GROUND RUN. REPLACEMENT PRESSURE SWITCH INDICATED PROPER OPERATION OF HYD SYS. CAN NOT DETERMINE IF 

All 807: https://openairdocs.org/engine/turbomeca-arriel-1b/reports.md

## STCs that may be installed (OpenAirDocs) (3)

Approved for this engine model: the STC's model list names it on its data sheet, or a series that includes it. In force first, then newest. The registry doesn't record which STCs an aircraft has.

- [STC SE00328AT](https://openairdocs.org/stc/SE00328AT): Installation of a P2 fuel control isolation valve kit. Bell Helicopter Textron Inc
- [STC SE00567AT](https://openairdocs.org/stc/SE00567AT): Install Aeronautical Accessories Torque Monitoring System. Bell Helicopter Textron Inc
- [STC SE1029GL](https://openairdocs.org/stc/SE1029GL): Installation of a fuel flow transducer. Shadin Company, Inc

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