# Safran ARRIEL-2B1

- Type: Engine model (FAA registry)
- Registry code: 59995
- Manufacturer (registry): SAFRAN
- Model: ARRIEL 2B1
- Engine type: Turbo-shaft
- Power: 747 hp
- Data sheet: [TCDS E00054EN](https://openairdocs.org/tcds/E00054EN) (OpenAirDocs)
- Holder: Safran Helicopter Engines S.A.
- Installed in: 11 registered aircraft
- Page: https://openairdocs.org/engine/safran-arriel-2b1

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 2021-13-03](https://openairdocs.org/ad/2021-13-03): Fuel Control/Turbine Engines · Safran Helicopter Engines Arriel 2B, Arriel 2B1, Arriel 2C and 4 more. Effective Aug 13, 2021
- [AD 2018-12-01](https://openairdocs.org/ad/2018-12-01): Engine Fuel and Control · Safran Helicopter Engines Arriel 2B and Arriel 2B1. Effective Sep 12, 2018
- [AD 2016-25-13](https://openairdocs.org/ad/2016-25-13): Engine accessory gearbox (AGB) · Safran Helicopter Engines Arriel 2B, Arriel 2B1, Arriel 2C and 6 more. Effective Feb 3, 2017
- [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 2014-12-05](https://openairdocs.org/ad/2014-12-05): HMU drive gear shaft · Turbomeca Arriel 2B, Arriel 2B1, Arriel 2C and 4 more. Effective Aug 4, 2014
- [AD 2014-07-06](https://openairdocs.org/ad/2014-07-06): Hydromechanical metering unit · Turbomeca Arriel 2B1. Effective May 15, 2014
- [AD 2012-18-18](https://openairdocs.org/ad/2012-18-18): Gas generator (GG) turbine blade · Turbomeca Arriel 2B, Arriel 2B1, Arriel 2C2 and 1 more. Effective Oct 24, 2012
- [AD 2012-08-18](https://openairdocs.org/ad/2012-08-18): PT Blade Rupture · Turbomeca Arriel 2B and Arriel 2B1. Effective May 30, 2012
- [AD 2009-09-03 R1](https://openairdocs.org/ad/2009-09-03-R1): Uncommanded in-flight engine shutdown · Turbomeca Arriel 2B and Arriel 2B1. Effective Nov 1, 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 2009-01-11](https://openairdocs.org/ad/2009-01-11): Hydro Mechanical Unit (HMU) low fuel pressure switch · Turbomeca Arriel 2B and Arriel 2B1. Effective Feb 27, 2009
- [AD 2007-10-06](https://openairdocs.org/ad/2007-10-06): Cases of flameout · Turbomeca Arriel 2B1. Effective May 29, 2007
- [AD 2005-25-13](https://openairdocs.org/ad/2005-25-13): Tree turbine shield · Turbomeca Arriel 2B and Arriel 2B1. Effective Dec 28, 2005
- [AD 2003-03-12](https://openairdocs.org/ad/2003-03-12): Bleed Valve · Turbomeca Arriel 1A2, Arriel 1C, Arriel 1C1 and 12 more. Effective Mar 7, 2003

Historical (superseded or no longer in force):

- [AD 2016-04-12](https://openairdocs.org/ad/2016-04-12) (historical): Engine accessory gearbox (AGB) · Turbomeca Arriel 2B, Arriel 2B1, Arriel 2C and 6 more. Effective Apr 14, 2016
- [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 2012-03-11](https://openairdocs.org/ad/2012-03-11) (historical): High-pressure/low-pressure (HP/LP) pump hydro-mechanical metering units  
 (HMUs) · Turbomeca Arriel 2B and Arriel 2B1. Effective Mar 20, 2012
- [AD 2011-13-05](https://openairdocs.org/ad/2011-13-05) (historical): Gas Generator (GG) Turbine Blade · Turbomeca Arriel 2B and Arriel 2B1. Effective Aug 12, 2011
- [AD 2007-19-09 R1](https://openairdocs.org/ad/2007-19-09-R1) (historical): Pressure relief valve · Turbomeca Arriel 2B1. Effective Jul 7, 2010
- [AD 2010-03-06](https://openairdocs.org/ad/2010-03-06) (historical): Fuel pump · Turbomeca Arriel 2B and Arriel 2B1. Effective Mar 11, 2010
- [AD 2009-09-03](https://openairdocs.org/ad/2009-09-03) (historical): Turbine blade · Turbomeca Arriel 2B and Arriel 2B1. Effective Jun 1, 2009
- [AD 2007-19-09](https://openairdocs.org/ad/2007-19-09) (historical): Constant delta pressure valve · Turbomeca Arriel 2B1. Effective Oct 3, 2007
- [AD 2007-10-07](https://openairdocs.org/ad/2007-10-07) (historical): HP/LP pump assembly drive shaft · Turbomeca Arriel 2B and Arriel 2B1. Effective May 29, 2007
- [AD 2007-03-14](https://openairdocs.org/ad/2007-03-14) (historical): Hydro-mechanical metering unit (HMU) · Turbomeca Arriel 2B1. Effective Feb 20, 2007
- [AD 2006-21-10](https://openairdocs.org/ad/2006-21-10) (historical): Splines of high-pressure (HP) pump drive gear shaft · Turbomeca Arriel 2B and Arriel 2B1. Effective Nov 24, 2006

## Registered aircraft (11)

- [N127PJ](https://openairdocs.org/aircraft/N127PJ): [Helibro LLC](https://openairdocs.org/faa-owner/HELIBRO%20LLC), [Red Bluff, CA](https://openairdocs.org/faa-place/CA/Red%20Bluff), built 2011, S/N 7180
- [N130SM](https://openairdocs.org/aircraft/N130SM): [International Air Services Inc Trustee](https://openairdocs.org/faa-owner/INTERNATIONAL%20AIR%20SERVICES%20INC%20TRUSTEE), [Carson City, NV](https://openairdocs.org/faa-place/NV/Carson%20City), built 2007, S/N 4276
- [N149AE](https://openairdocs.org/aircraft/N149AE): [Temsco Helicopters Inc](https://openairdocs.org/faa-owner/TEMSCO%20HELICOPTERS%20INC), [Ketchikan, AK](https://openairdocs.org/faa-place/AK/Ketchikan), built 2001, S/N 3370
- [N194AE](https://openairdocs.org/aircraft/N194AE): [Temsco Helicopters Inc](https://openairdocs.org/faa-owner/TEMSCO%20HELICOPTERS%20INC), [Ketchikan, AK](https://openairdocs.org/faa-place/AK/Ketchikan), built 2001, S/N 3338
- [N198AE](https://openairdocs.org/aircraft/N198AE): [Temsco Helicopters Inc](https://openairdocs.org/faa-owner/TEMSCO%20HELICOPTERS%20INC), [Ketchikan, AK](https://openairdocs.org/faa-place/AK/Ketchikan), built 2001, S/N 3371
- [N544AS](https://openairdocs.org/aircraft/N544AS): [Apexheli Oregon Inc](https://openairdocs.org/faa-owner/APEXHELI%20OREGON%20INC), [Florence, OR](https://openairdocs.org/faa-place/OR/Florence), built 2001, S/N 3367
- [N601TA](https://openairdocs.org/aircraft/N601TA): [Trans Aero LLC](https://openairdocs.org/faa-owner/TRANS%20AERO%20LLC), [Cheyenne, WY](https://openairdocs.org/faa-place/WY/Cheyenne), built 2009, S/N 4876
- [N681AS](https://openairdocs.org/aircraft/N681AS): [Rba LLC](https://openairdocs.org/faa-owner/RBA%20LLC), [Kimberly, ID](https://openairdocs.org/faa-place/ID/Kimberly), built 2001, S/N 3328
- [N898JF](https://openairdocs.org/aircraft/N898JF): [State Of Montana](https://openairdocs.org/faa-owner/STATE%20OF%20MONTANA), [Helena, MT](https://openairdocs.org/faa-place/MT/Helena), built 2007, S/N 4120
- [N908PS](https://openairdocs.org/aircraft/N908PS): [Trevor Corp DBA](https://openairdocs.org/faa-owner/TREVOR%20CORP%20DBA), [Grayslake, IL](https://openairdocs.org/faa-place/IL/Grayslake), built 2006, S/N 4177
- [N917Z](https://openairdocs.org/aircraft/N917Z): [Bighorn Holdings LLC](https://openairdocs.org/faa-owner/BIGHORN%20HOLDINGS%20LLC), [Mccall, ID](https://openairdocs.org/faa-place/ID/Mccall), built 2005, S/N 4042

## NTSB investigations

None matched to aircraft with this engine model.

## FAA accident and incident reports

None matched to aircraft with this engine model.

## Service difficulty reports (757, newest 50)

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

- [SDR QMLA2026081320055](https://openairdocs.org/sdr/QMLA2026081320055), Aug 13, 2026: BLOWER MOTOR. BURNED OUT. ODOR OF BURNT ELECTRICAL WIRING. FOUND SMELL COMING FROM AFT AC VENTS. FOUND CONDENSATION/WATER IN ELECTRICAL MOTOR. REPLACED AFT BLOWER MOTOR
- [SDR 2A6D20260728001](https://openairdocs.org/sdr/2A6D20260728001), Jun 16, 2026: SUPPORT ANGLE. CRACKED. CRACK FOUND ON SUPPORT ANGLE OF UPPER LEFT FUSELAGE TO TAILBOOM ATTACHMENT
- [SDR 2026FA0000304](https://openairdocs.org/sdr/2026FA0000304), Apr 28, 2026: CHIP DETECTOR. FALSE INDICATION. ENGINE CHIP EVENT - INTERMITTENT ILLUMINATION OF ENGINE CHIP INDICATION DURING CRUISE FLIGHT AFTER MAKING A TURN. DURING DESCENT AND LANDING AT A LOCAL BALL FIE
- [SDR 2A6D20251125001](https://openairdocs.org/sdr/2A6D20251125001), Nov 25, 2025: CROSSBEAM. CHAFED. VARIOUS DAMAGES AT THE AFT LANDING GEAR LOCATION, THE FIRST DAMAGE (#1) IS AT THE AFT LANDING GEAR CROSS BEAM SHIM (P/N: 350A214344.20) IN THE FORM OF CHAFING. 
- [SDR 2A6R1124202574604](https://openairdocs.org/sdr/2A6R1124202574604), Nov 24, 2025: SKIN. DAMAGED. OVERSIZED FASTENER HOLE DAMAGE WAS FOUND ON THE L/H FUSELAGE SKIN (P/N: 350A210053.BW), FWD FRAME ANGLE (P/N: 350A211036.28), AFT FRAME (P/N: 350A211240.00), LO
- [SDR 2A6D20251106001](https://openairdocs.org/sdr/2A6D20251106001), Nov 6, 2025: BULKHEAD. CHAFED. CHAFING DAMAGE ON THE LT LONGITUDINAL BULKHEAD (X-FRAME) ON THE UPPER INBD FACE MEASURING APPROXIMATELY 0.017" IN DEPTH, 0.10" IN WIDTH, AND 0.210" IN LENGTH. T
- [SDR 2A6D20251105001](https://openairdocs.org/sdr/2A6D20251105001), Nov 5, 2025: BEAM. CHAFED. DAMAGE TO THE RH Y398.5 BEAM (P/N: 350A211351.22) AND STOP DOUBLER (P/N: 350A211363.25) IN THE FORM OF A CHAFE. THE CHAFE DAMAGE IS NEAR THE FWD UPPER SIDE OF T
- [SDR 2A6R1024202574601](https://openairdocs.org/sdr/2A6R1024202574601), Oct 24, 2025: RAIL. CHAFED. CHAFING DAMAGE WAS FOUND ON THE TAIL BOOM L/H TRDS SUPPORT RAIL/STIFFENER SHEET (P/N: 350A231028.66) JUST FORWARD OF THE #3 TRDS BEARING SUPPORT. THIS DAMAGE IS
- [SDR 2A6D20251006001](https://openairdocs.org/sdr/2A6D20251006001), Oct 6, 2025: KEELBEAM. DAMAGED. A MIS-DRILLED HOLE WAS FOUND ON THE FORWARD LH KEEL BEAM (PN: 350A21-1350-20), AFT LH KEEL BEAM (PN: 350A21-1056- 20) AND FWD KNOT ASSEMBLY LH SPLICE (PN: 350A2
- [SDR QMLA2025100420098](https://openairdocs.org/sdr/QMLA2025100420098), Sep 30, 2025: DISPLAY. FAULTED. JUST LIFTED OFF FROM A PR EVENT & HEADING BACK TO BASE, NOTICED UPPER SCREEN OF VEMD HAD REVERTED TO 3-PARAMETERS ENGINE PAGE & NG INDICATION MISSING & YELLOW. 
- [SDR QMLA2025091520094](https://openairdocs.org/sdr/QMLA2025091520094), Sep 15, 2025: ENGINE. POWER LOSS. WE WERE TAKING OFF FROM THE PAD AT PRESCOTT WITH A PATIENT ONBOARD. HAD GOOD POWER IN HOVER AND ON TAKEOFF ABOUT 200-300 FT AND GOT JUST PAST THE STREETLIGHTS I
- [SDR 2A6D20250818001](https://openairdocs.org/sdr/2A6D20250818001), Aug 18, 2025: MOUNT FLANGE. GOUGED. DAMAGE TO THE LANDING GEAR LH OTBD AFT BEARING IN THE FORM OF GOUGE. THE GOUGE DAMAGE IS AT LOWER FLANGE OF THE BEARING AND WAS MEASURED TO BE APPROXIMATELY 0.3
- [SDR QMLA2025071820075](https://openairdocs.org/sdr/QMLA2025071820075), Jul 18, 2025: UNKNOWN. ODOR. NURSES REPORTED AFTER TAKING OFF FROM GOODYEAR AIRPORT AFTER GETTING FUEL AFTER A PR EVENT THAT THEY NOTICED A STRONG FUEL SMELL. THEY CONTINUED ON TO THE HELIP
- [SDR QMLA2025061620067](https://openairdocs.org/sdr/QMLA2025061620067), Jun 14, 2025: VENT LINE. LEAKING. MAJOR OIL LEAK. DISCOVERED BY NURSE STOWING EQUIPMENT IN REAR COMPARTMENT. HE ADVISED ME OF OIL ALL OVER THE SIDE OF AIRCRAFT. I SHUT DOWN THE AIRCRAFT AND EXIT
- [SDR 2A6D20250602001](https://openairdocs.org/sdr/2A6D20250602001), Jun 2, 2025: DOUBLER. CHAFED. CHAFING DAMAGE WAS DISCOVERED ON T/R SERVO GUIDE DOUBLER P/N: 355A23-2000-20
- [SDR 2A6D20250602002](https://openairdocs.org/sdr/2A6D20250602002), Jun 2, 2025: FLOOR SUPPORT. CHAFED. CHAFE DAMAGE WAS DISCOVERED ON THE R/H CABIN FLOOR EDGE P/N: 350A21-1359-21
- [SDR QMLA2025052820060](https://openairdocs.org/sdr/QMLA2025052820060), May 27, 2025: HMU. FAULTED. MULTIPLE ENGINE CHIP CAUTIONS OVER A HANDFUL OF FLIGHTS SINCE MID-APRIL. MOST RECENT EVENT (THIS INCIDENT) OCCURRED LESS THAN ONE DAY AND 0+45 FLIGHT HOURS AFTE
- [SDR QMLA2025051520056](https://openairdocs.org/sdr/QMLA2025051520056), May 16, 2025: GEARBOX. WARNING LIGHT. MAIN ROTOR GEAR BOX CHIP INDICATOR LIGHT ILLUMINATED IN FLIGHT. FIRST SET OF FLIGHTS FROM CHANGING OF MBG OIL FILTER YESTERDAY.
- [SDR QMLA2025032420040](https://openairdocs.org/sdr/QMLA2025032420040), Mar 23, 2025: MOTOR. SHORTED. ELECTRICAL SMOKE ODOR IN CABIN. AFT EVAPORATOR MOTOR HAD INTERNAL SHORT CAUSING SMOKE SMELL AND CAUSING AFT PORTION OF A/C TO BE INOP.
- [SDR 2A6D20250130001](https://openairdocs.org/sdr/2A6D20250130001), Jan 30, 2025: BEAM. DAMAGED. FASTENER HOLE DAMAGE (ELONGATION) WAS DISCOVERED ON THE LH MAINTENANCE FOOTSTEP BEAM (P/N 350A21124520) IN THE FUSELAGE REAR STRUCTURE.
- [SDR 2A6D20241209001](https://openairdocs.org/sdr/2A6D20241209001), Dec 9, 2024: CROSSBEAM. CHAFED. THE FIRST DAMAGE IS ON THE AFT LANDING GEAR CROSS BEAM (P/N: 350A214311.20). THE AFT CROSS BEAM IS DAMAGED DUE TO MISSING SHIM BETWEEN THE AFT LANDING GEAR LOWE
- [SDR QMLA2024092420125](https://openairdocs.org/sdr/QMLA2024092420125), Sep 23, 2024: MOTOR. FAILED. CREW NOTED SMELL OF SOMETHING BURNING IN COCKPIT. A/C WAS TURNED OFF AND THE SMELL BECAME LESS SEVERE.
- [SDR QMLA2024091920118](https://openairdocs.org/sdr/QMLA2024091920118), Sep 18, 2024: STARTER GEN. FAILED. STAR GEN FAILED ON APPROACH. WOULD NOT RESET.
- [SDR QMLA2024091620116](https://openairdocs.org/sdr/QMLA2024091620116), Sep 15, 2024: ENGINE. SURGES. DURING FLIGHT ON AN AIR AMBULANCE OPERATION. AS THE INCREASE OF COLLECTIVE TO APPROXIMATLEY 9.0 FLI, HEARD THE ENG SURGE WITH A LEFT YAW TO THE ACFT. IMMEDIATEL
- [SDR QMLA2024091520116](https://openairdocs.org/sdr/QMLA2024091520116), Sep 15, 2024: ANTICIPATOR. FAULTED. REMOVED AND REPLACED ANTICIPATOR. THIS AIRCRAFT HAS BEEN RETURNED TO REVENUE SERVICE. REF# 7481.091524.2054.TT
- [SDR 2A6D20240828001](https://openairdocs.org/sdr/2A6D20240828001), Aug 28, 2024: FLOOR PANEL. CORRODED. THERE IS CORROSION DAMAGE TO THE CABIN FLOOR EDGING (PN: 350A21-1359-20/21).
- [SDR 2A6D20240828002](https://openairdocs.org/sdr/2A6D20240828002), Aug 28, 2024: STRUCTURE. GOUGED. DAMAGE TO THE LH UPPER CARGO EDGING (P/N: 350A211041.22) IN THE FORM OF A GOUGE CAUSED WHILE INSTALLING BLIND FASTENER. THE GOUGE DAMAGE NEAR AFT SIDE OF THE LH
- [SDR 2A6D20240828003](https://openairdocs.org/sdr/2A6D20240828003), Aug 28, 2024: BULKHEAD WEB. CHAFED. DAMAGE TO THE 15° BULKHEAD LH WEB (PN: 350A21-1032.86) IN THE FORM OF SEVERAL CHAFES. THE CHAFES WERE REPORTED TO BE 0.20” X 0.10” AND 0.004” DEEP, AS WELL AS 0
- [SDR 2A6D20240828004](https://openairdocs.org/sdr/2A6D20240828004), Aug 28, 2024: STIFFENER. WORN. DAMAGE TO THE LH STA2700 STIFFENER (LH PN: 350A21-1071.22; RH PN: 350A211071.23) IN THE FORM OF WEAR CAUSED BY A NEARBY BOLT HEAD.
- [SDR 2A6D20240828005](https://openairdocs.org/sdr/2A6D20240828005), Aug 28, 2024: SUPPORT. DAMAGED. DAMAGE TO THE RH BI-DIRECTIONAL SUPPORT FITTING (P/N: 350A211232.23) AND SUPPORT BEAM (P/N: 350A211293.20) IN THE FORM OF CHAFING CAUSED DUE TO CABLE. THE CHAFE
- [SDR 2A6D20240828006](https://openairdocs.org/sdr/2A6D20240828006), Aug 28, 2024: STRUCTURE. GOUGED. GOUGE AT THE OUTBOARD FLANGE RIVNUT LOCATION IN THE FORM OF SHEAR OUT. THE GOUGE WAS MEASURED TO BE APPROXIMATELY 0.1” X 0.1285”X 0.060”.
- [SDR QMLA2024061720064](https://openairdocs.org/sdr/QMLA2024061720064), Jun 15, 2024: UNKNOWN. ODOR. DURING FLIGHT AND RETURN TO BASE FROM FLIGHT, CREW NOTIFIED PILOT THAT THEY SMELLED A ELECTRICAL BURNING AROUND THE BACK CABIN WALL. IT WAS DARK INSIDE THE CABI
- [SDR QMLA2024042520043](https://openairdocs.org/sdr/QMLA2024042520043), Apr 25, 2024: POTENTIOMETER. WORN. TOOK OFF FROM BASE GOT TO LEVEL FLIGHT STARTED POWER CHECK GOT THE SOLID AMBER GOV LIGHT. RETURNED TO BASE.
- [SDR 2A6D20240321001](https://openairdocs.org/sdr/2A6D20240321001), Mar 21, 2024: FLOOR SUPPORT. CORRODED. CORROSION DAMAGE DISCOVERED TO THE L/H CABIN FLOOR EDGING P/N: 350A21-1359-20.
- [SDR 2A6D20240321002](https://openairdocs.org/sdr/2A6D20240321002), Mar 21, 2024: FLOOR SUPPORT. CORRODED. CORROSION DAMAGE DISCOVERED TO THE R/H CABIN FLOOR EDGING P/N: 350A21-1359-21.
- [SDR QMLA202420025](https://openairdocs.org/sdr/QMLA202420025), Mar 1, 2024: DUCT. CRACKED. PILOT REPORTED DURING CLIMB OUT FROM BASE AT KDMN EN ROUTE TO SENDING FACILITY HE TURNED ON THE CABIN VENTILATION AND WATER STARTED POURING OUT OF UPPER A/C VEN
- [SDR 2A6D20240229001](https://openairdocs.org/sdr/2A6D20240229001), Feb 29, 2024: BULKHEAD. CRACKED. A CRACK WAS DISCOVERED ON THE AFT BULKHEAD CENTER STRUCTURE. THE CRACK MEASURES APPROXIMATELY 1.0 INCH LONG
- [SDR 2A6D20240201001](https://openairdocs.org/sdr/2A6D20240201001), Feb 1, 2024: ANGLE. CORRODED. DAMAGE TO THE LH VERTICAL ANGLE (PN: 350A62-1148.21) ON THE AFT SECTION FWD LOWER FRAME IN THE FORM OF CORROSION. THE CORRODED AREA IS LOCATED AT THE BOTTOM END
- [SDR 2A6D20240201002](https://openairdocs.org/sdr/2A6D20240201002), Feb 1, 2024: WEB. CORRODED. DAMAGE TO THE LOWER CENTER WEB (P/N: 350A21-4300.20) IN THE FORM OF CORROSION. THE CORROSION DAMAGE IS TOWARDS THE AFT SIDE OF THE WEB NEAR LIGHTENING HOLES AND
- [SDR QMLA2024012920009](https://openairdocs.org/sdr/QMLA2024012920009), Jan 29, 2024: UNKNOWN. ODOR. SMELL OF FUEL IN CABIN. FLIGHT LEG ABORTED AND RETURNED TO AIRPORT. MECHANIC NOTIFIED AND RESPONDED. CHECKED ALL COMPONENTS AND AREAS OF HELICOPTER FOR SOURCE. 
- [SDR QMLA2023112820110](https://openairdocs.org/sdr/QMLA2023112820110), Nov 28, 2023: BULKHEAD. DAMAGED. CRACK DAMAGE WAS NOTED ON THE 22 DEGREE BULKHEAD WEB P/N 350A21-4002 UNDER THE RH FLOOR AT STA 845, RBL 673.3 WL 2806.2.
- [SDR QMLA2023112720108](https://openairdocs.org/sdr/QMLA2023112720108), Nov 26, 2023: OUTLET. ODOR. CREW REPORTED UNUSUAL ODOR IN CABIN AFTER LIFTOFF.
- [SDR 2A6D20231102001](https://openairdocs.org/sdr/2A6D20231102001), Nov 2, 2023: FLOOR SUPPORT. CORRODED. CORROSION WAS FOUND ON THE CABIN FLOOR EDGING ON THE LH AND RH SIDE (P/N: 350A21-1359-20/21)
- [SDR QMLA2023110220099](https://openairdocs.org/sdr/QMLA2023110220099), Nov 1, 2023: UNKNOWN. UNKNOWN. AFTER AMBER AND RED GOV LIGHT ILLUMINATED, MYSELF AND THE CREW COULD SMELL AN ELECTRICAL SMOKE ODOR. AFTER LANDING AND SHUTDOWN. ARRIVED AT AIRCRAFT, CLEANED EL
- [SDR QMLA2023100420081](https://openairdocs.org/sdr/QMLA2023100420081), Oct 2, 2023: COMPRESSOR. ODOR. PILOT REPORTED SMOKE SMELL IN CABIN, TURNED OFF THE A/C SYSTEM AND SMELL WENT AWAY. LANDED AT BASE WITH NO FURTHER ISSUES. MECHANIC ON SITE FOUND WHERE A/C COMP
- [SDR QMLA2023060420043](https://openairdocs.org/sdr/QMLA2023060420043), Jun 2, 2023: UNKNOWN. UNKNOWN. UPON DEPARTURE FROM KPDK, ENG CHIP LIGHT ILLUMINATED ON THE WARNING PANEL. IT WENT OUT AFTER A FEW SECONDS. LANDED AS SOON AS POSSIBLE BACK TO KPDK AND SHUT DOW
- [SDR 2A6D20230525001](https://openairdocs.org/sdr/2A6D20230525001), May 25, 2023: FLOORBEAM. DAMAGED. DURING INSPECTION, TWO NUTPLATES WERE FOUND TO BE INCORRECTLY INSTALLED CAUSING DAMAGE TO THE FLOOR BEAM AT APPROXIMATELY STA 1510 AND RBL 398.
- [SDR 2A6D20230523001](https://openairdocs.org/sdr/2A6D20230523001), May 23, 2023: SUPPORT BEAM. ELONGATED. DAMAGE WAS DISCOVERED ON THE L/H BEAM UNDER THE ENGINE DECK (P/N: 355A21-2110.25) IN THE FORM OF AN ELONGATED HOLE IN THE LOWER FLANGE, NEAR THE AFT END OF THE 
- [SDR 2A6D20230523002](https://openairdocs.org/sdr/2A6D20230523002), May 23, 2023: FLOORBEAM. CORRODED. DURING INSPECTION, CORROSION DAMAGE WAS DISCOVERED TO THE R/H CABIN FLOOR EDGING P/N: 350A21-1359-21.
- [SDR 2A6D20230510001](https://openairdocs.org/sdr/2A6D20230510001), May 10, 2023: DECK PLATE. CHAFED. CHAFING WAS DISCOVERED IN 2 PLACES ON THE ENGINE DECK (AIRBUS PN 350A21-1239.21) JUST NEAR THE SCUPPER DRAIN HOLE. THE FIRST DAMAGE AREA IS APPROXIMATELY 0.300”

All 757: https://openairdocs.org/engine/safran-arriel-2b1/reports.md

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.