# Aerospatiale/Atr ATR-42 - Type: Aircraft model (FAA registry) - Registry code: 8680900 - Manufacturer (registry): AEROSPATIALE/ATR - Model: ATR-42 - Aircraft type: Fixed wing multi engine - Category: Airplane - Engines: 2 · Turbo-prop - Seats: 50 - Weight class: 20,000 lb and over - Certification: Type certificated - Registered aircraft: 0 - Page: https://openairdocs.org/model/aerospatiale-atr-atr-42 Model codes come from the FAA registry's reference file. ADs are matched to them by model name and maker. ## ADs that may apply (OpenAirDocs) Matched to this model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment. Historical (superseded or no longer in force): - [AD 98-09-16](https://openairdocs.org/ad/98-09-16) (historical): AFM - DC Generators · Aerospatiale ATR42 Series (all) and ATR72 Series (all). Effective May 8, 1998 ## Registered aircraft None registered with this model now. ## NTSB investigations None matched to aircraft with this model. ## FAA accident and incident reports None matched to aircraft with this model. ## Service difficulty reports (76, newest 50) As reported by operators and repair stations, by the model named in the report. - [SDR 2026FA0000296](https://openairdocs.org/sdr/2026FA0000296), Apr 24, 2026: PANEL. DAMAGED. LH WING OUTBOARD FLAP TRAILING EDGE PANEL (P/N 532BB) WAS DAMAGED DUE TO A MISMATCH BETWEEN THE FLAP POSITION AND THE FLAP LEVER POSITION. THE INCIDENT OCCURRED - [SDR MTNA20230822001](https://openairdocs.org/sdr/MTNA20230822001), Aug 21, 2023: SEAL. LEAKING. ON DESCENT OF FLIGHT, LOW LEVEL LIGHT ON BLUE SYSTEM ILLUMINATED. AIRCRAFT 920FX COMPLETED A NO FLAPS LANDING IN FPO SAFELY. AN EMERGENCY WAS DECLARED. RAI SPOO - [SDR MTNA20230508001](https://openairdocs.org/sdr/MTNA20230508001), May 8, 2023: UNKNOWN. UNKNOWN. FO O2 MASK LEAKS AT BOX. REPLACED OXYGEN HOSE ASSEMBLY. OPS CHECK GOOD WITH NO DEFECTS NOTED. - [SDR COEA2022081614917](https://openairdocs.org/sdr/COEA2022081614917), Jun 10, 2022: SKIN. CORRODED. WO 238445 NR 200063 HEAVY CHECK COE/MAJOR REPAIR: INNER SKIN HAS SPOTS OF INSULATIONS STANDOFF LEVEL 2 CORROSION FRAMES 28-29 STRINGER 2R-3R. CORRECTIVE ACTION: - [SDR COEA202207150691](https://openairdocs.org/sdr/COEA202207150691), Jun 10, 2022: PANEL. CORRODED. WO 238445 NR 200059 HEAVY CHECK COE/MAJOR REPAIR: INNER SKIN HAS SPOTS OF INSULATIONS STANDOFF LEVEL 2 CORROSION FRAMES 28-29 STRINGER 1L-2L. CORRECTION ACTION: - [SDR COEA2022071506917](https://openairdocs.org/sdr/COEA2022071506917), Jun 4, 2022: STRINGER. CRACKED. WO 238445 NR 200019 HEAVY CHECK COE/MAJOR REPAIR: FRAME 26 SHEAR TIE STRINGER 12R-13R IS CRACKED. CORRECTIVE ACTION: REPLACED SHEAR TIE WITH NEW PER ATR42 SRM 5 - [SDR MTNA20220312001](https://openairdocs.org/sdr/MTNA20220312001), Mar 12, 2022: MASTER CYLINDER. WEAK. FO'S RIGHT BRAKE PEDAL WEAK IN EFFECTIVENESS. REMOVED AND REPLACED FO MASTER BRAKE CYLINDER. OPS AND LEAK CHECK GOOD. - [SDR MTNA20210209001](https://openairdocs.org/sdr/MTNA20210209001), Feb 9, 2021: INDICATOR. FAULTED. PITCH TRIM ASYMMETRY MASTER CAUTION IN FLIGHT. FOUND TRIM INDICATOR CIRCUIT BREAKER POPPED. INSPECTED AND CLEANED CANNON PLUGS FOR RIGHT AND LEFT ELEVATOR TRIM - [SDR CA190503003](https://openairdocs.org/sdr/CA190503003), Apr 26, 2019: PACKING. LEAKING. (CAN) CUSTOMER REPORTED THAT DURING FLIGHT PILOT HAD A HEADACHE DUE TO OIL SMELL IN THE CABIN. ON TROUBLESHOOTING NOTICED OIL WETNESS WAS FOUND AROUND THE #5 BE - [SDR CA141202008](https://openairdocs.org/sdr/CA141202008), Nov 7, 2014: OIL SYSTEM. LOW PRESSURE. (CAN) DURING CLIMB, THE CREW NOTICED A LOW OIL PRESSURE, PARAMETER FLUCTUATION AND ENGINE TEMPERATURE DROPPING TO 170 DEGREES C. ENGINE WAS SHUTDOWN BY THE CREW - [SDR CA140804005](https://openairdocs.org/sdr/CA140804005), Jul 23, 2014: ENGINE. SURGES. (CAN) IT WAS REPORTED THAT THE RT ENGINE HAD AN ENGINE SURGE. NO EEC AND PEC FAULT. BORESCOPE INSPECTION OF LP/HP IMPELLER OF BOTH ENGINES DID NOT SHOW ANY DAMA - [SDR MTNA20130904041](https://openairdocs.org/sdr/MTNA20130904041), Oct 4, 2013: STRUCTURE. CORRODED. REMOVABLE ACCESS DOORS 522CT AND 622CT HOUSING HAD CORROSION BEYOND STRUCTURAL REPAIL MANUAL LIMITS. REMOVED CORROSION IAW SRI DO/S-4620/13-20284. - [SDR MTNA20130904040](https://openairdocs.org/sdr/MTNA20130904040), Oct 4, 2013: PAN. DENTED. AFT CARGO DOOR HAS TWO DENTS OUT OF LIMITES ON LOWER PAN. REPAIRED LOWER DOOR PAN IAW M-7 DWG NR 42R47000-07. - [SDR HYIA20131004002](https://openairdocs.org/sdr/HYIA20131004002), Sep 28, 2013: POWER SUPPLY. DISCHARGED. SEVERAL EMERGENCY EXIT LIGHTS DO NOT TEST. REPLACED POWER SUPPLIES. OPS CHECKED GOOD. CREW SUBSEQUENTLY REPORTED EMERGENCY LIGHTS LIGHTS ARE INOPERABLE WHEN EME - [SDR HYIA20130928001](https://openairdocs.org/sdr/HYIA20130928001), Sep 28, 2013: POWER SUPPLY. DISCHARGED. EMERGENCY EXIT LIGHTS DO NOT ALL ILLUMINATE DURING TEST. REPLACED POWER SUPPLY UNITS 3WL, 10WL, 15WL, 18WL, 29WL. - [SDR CA130729006](https://openairdocs.org/sdr/CA130729006), Jul 13, 2013: ENGINE. OVERTEMP. (CAN) DURING TAKEOFF OPERATION, THE NR 2 ENGINE WAS APPROACHING THE ITT LIMIT OF 800 DEGREES C. TAKEOFF WAS ABORTED AND THE ACFT WAS RETURNED TO THE RAMP. - [SDR HYIA201305280001](https://openairdocs.org/sdr/HYIA201305280001), May 27, 2013: VENT LINE. CLOGGED. ON TAXI TO GATE, COCKPIT STARTED TO FILL WITH SMOKE. SELECTED BOTH BLEEDS AND BOTH PACKS TO OFF. INSPECTED NR 1 ENGINE NR 5 BEARING VENT TUBE. CLEANED CLOGGED V - [SDR CA111214001](https://openairdocs.org/sdr/CA111214001), Nov 25, 2011: OIL SYSTEM. LEAKING. (CAN) TWO SEPARATE EVENTS OF LOW OIL PRESS WARNING FOLLOWED BY ENG SHUT DOWN & UNEVENTFUL SINGLE ENG LANDING OCCURRED ON THIS ENG. THE 1ST IFSD WAS ADDRESSED BY - [SDR CA110909007](https://openairdocs.org/sdr/CA110909007), Sep 3, 2011: ENGINE. MAKING METAL. (CAN) DURING CRUISE, THE PILOT HEARD A LOUD NOISE FOLLOWED BY ENGINE SPOOL DOWN. THE ENGINE WAS SECURED AND AN UNEVENTFUL SINGLE ENGINE LANDING WAS PERFORMED. P - [SDR MTNA1008100001](https://openairdocs.org/sdr/MTNA1008100001), Oct 13, 2010: HINGE. CRACKED. FOUND CRACK ON AFT CARGO DOOR DURING SCHEDULED INSPECTION. - [SDR CA090401010](https://openairdocs.org/sdr/CA090401010), Mar 18, 2009: PACKING. DAMAGED. (CAN) RT ENGINE WAS SHUTDOWN DURING A SCHEDULED REVENUE FLIGHT. THE ACFT WAS DIVERTED WHERE A SINGLE ENGINE LANDING WAS PERFORMED. POST FLIGHT INSP REVEALED A D - [SDR CA090408006](https://openairdocs.org/sdr/CA090408006), Mar 4, 2009: EEC. FAILED. (CAN) ON FINAL APPROACH, THE CREW NOTICED A WARNING FOR EEC FAILURE WITH ASSOCIATED LOSS OF POWER OF NR 1 ENGINE. AN EEC RESET WAS ATTEMPTED WITHOUT SUCCESS AND - [SDR CA081210009](https://openairdocs.org/sdr/CA081210009), Dec 1, 2008: ENGINE. ODOR. (CAN) DURING CRUISE, THE PILOTS NOTICED OIL ODOR AND MIST IN THE CABIN. THEY TURNED THE AIR BLEED FROM THE ENGINE OFF AND THE MIST AND ODOR DISAPPEARED. SOON AF - [SDR CA081203010](https://openairdocs.org/sdr/CA081203010), Oct 27, 2008: WIRE HARNESS. DAMAGED. (CAN) THE ENG EXPERIENCED REPEATED EVENTS OF TORQUE FLUCTUATIONS BETWEEN THE 20TH AND 24TH OF OCTOBER FOR WHICH TROUBLESHOOTING HAD BEEN DONE. ON OCT. 27, THE P - [SDR CA080917015](https://openairdocs.org/sdr/CA080917015), Sep 5, 2008: TURBINE BLADES. DISTRESSED. (CAN) DURING CRUISE, THE PILOT OBSERVED AN ENGINE OIL PRESSURE DROP TO THE RED ZONE. HE ELECTED TO SHUTDOWN AND SECURE THE ENGINE BEFORE MAKING A SINGLE ENGINE - [SDR CA080402005](https://openairdocs.org/sdr/CA080402005), Mar 14, 2008: TANK. LEAKING. DURING DESCENT, OIL MIST WAS NOTED IN THE CABIN FOLLOWED BY A LOW OIL PRESSURE WARNING INDICATION. THE ENGINE WAS SHUT DOWN BY THE CREW. TROUBLESHOOTING REVEALE - [SDR T9NR200700002](https://openairdocs.org/sdr/T9NR200700002), Nov 6, 2007: WHEEL. CRACKED. OUR SHOP REPORTS THE PRESENCE OF AN UNUSUAL CRACK ON THIS WHEEL. IT LIES BETWEEN THE WHEEL'S LIGHTING HOLES (WEB), AND IS COMPLETELY CRACKED BETWEEN ADJACENT LI - [SDR T9NR200700001](https://openairdocs.org/sdr/T9NR200700001), Nov 6, 2007: WHEEL. CRACKED. OUR SHOP REPORTS THE PRESENCE OF AN UNUSUAL CRACK ON THIS WHEEL. IT LIES BETWEEN THE WHEEL'S LIGHTING HOLES (WEB), AND IS COMPLETELY CRACKED BETWEEN ADJACENT LI - [SDR CA070914005](https://openairdocs.org/sdr/CA070914005), Jul 10, 2007: SEAL. LEAKING. (CAN) THE LOW ENGINE OIL PRESSURE WARNING ACTIVATED IN CRUISE AND THE ENGINE WAS SHUTDOWN IN FLIGHT. SUBSEQUENT INSPECTION REVEALED A LEAKING OVERSPEED GOVERNOR - [SDR CA061219011](https://openairdocs.org/sdr/CA061219011), Nov 7, 2006: LINE. FRACTURED. (CAN) DURING A MAINTENANCE TEST FLIGHT A LOUD NOISE WAS HEARD ACCOMPANIED BY AN ENGINE FIRE WARNING. THE ENGINE WAS SHUTDOWN IN FLIGHT AND FIRE BOTTLES DISCHARG - [SDR CA061103009](https://openairdocs.org/sdr/CA061103009), Oct 5, 2006: ENGINE. FAILED. (CAN) ON TAKEOFF ENGINE POWER REDUCED UNCOMMANDED FOLLOWED BY SMOKE IN THE CABIN AIR. THE ENGINE WAS SHUTDOWN IN FLIGHT AND THE AIRCRAFT DIVERTED TO POINT OF DE - [SDR CA061103006](https://openairdocs.org/sdr/CA061103006), Aug 10, 2006: TUBE. CRACKED. (CAN) FOLLOWING TAKEOFF ENGINE SPEEDS REDUCED UNCOMMANDED AND AN ENGINE FIRE WARNING ACTIVATED. THE ENGINE WAS SHUTDOWN IN FLIGHT. SUBSEQUENT INSPECTION FOUND T - [SDR CA060905009](https://openairdocs.org/sdr/CA060905009), Jul 27, 2006: ENGINE. LEAKING. (CAN) DURING CLIMB SMOKE AND ODORS BECAME EVIDENT IN THE CABIN. ENGINE BLEEDS WERE CLOSED AND THE AIRCRAFT DIVERTED TO POINT OF DEPARTURE. SUBSEQUENT INSPECTION - [SDR CA060531017](https://openairdocs.org/sdr/CA060531017), May 21, 2006: ENGINE. MALFUNCTIONED. (CAN) ON APPROACH, ENGINE TORQUE WAS REPORTED TO FLUCTUATE AND THE ENGINE WAS SUBSEQUENTLY SHUTDOWN IN FLIGHT. MFG WILL INVESTIGATE THE EVENT AND ADVISE OF ROOT - [SDR CA060425006](https://openairdocs.org/sdr/CA060425006), Apr 5, 2006: TOWERSHAFT. DAMAGED. DURING CRUISE, THE ENGINE EXPERIENCED AN UNCOMMANDED SHUT DOWN. SUBSEQUENT INSPECTION REVEALED A DISTRESSED ACCESSORY DRIVE TOWER SHAFT. - [SDR CA050725008](https://openairdocs.org/sdr/CA050725008), Jul 5, 2005: ENGINE. FLAMED OUT. (CAN) DURING CRUISE IN SEVERE RAIN STORMS, THE ENGINE FLAMED OUT. THE AUTOMATIC RE-LIGHT SYSTEM SUCCESSFULLY RESTARTED THE ENGINE WITHIN 12 SECONDS. POST FLIGHT - [SDR NACA20050016](https://openairdocs.org/sdr/NACA20050016), Jun 16, 2005: AILERON. LIGHTNING STRIKE. LIGHTNING STRIKE KNOCKED OUT NR 1 ACW AND NR 1 ECU. BOTH WERE RESET SUCCESSFULLY. UPON INSPECTION, DISCOVERED THERE WAS DAMAGE TO LT AILERON. REPLACED LEFT AILE - [SDR CA050621004](https://openairdocs.org/sdr/CA050621004), May 24, 2005: ENGINE. FAILED. (CAN) BEFORE ACHIEVING TAKE-OFF POWER, THE ENGINE EMITTED A LOUD NOISE ACCOMPANIED BY A LOW OIL PRESSURE WARNING ANNUNCIATION. THE CREW ABORTED TAKE-OFF AND SHU - [SDR 2005FA0001459](https://openairdocs.org/sdr/2005FA0001459), Apr 30, 2005: EXHAUST PIPE. CRACKED. CRACKS IN BASE METAL NEAR FLANGE. ENGINE VIBRATION. (K) - [SDR 2005FA0001458](https://openairdocs.org/sdr/2005FA0001458), Apr 28, 2005: EXHAUST STACK. CRACKED. CRACKING IN EXHAUST DUCT BASE METAL, ENGINE VIBRATION. (K) - [SDR CA050323006](https://openairdocs.org/sdr/CA050323006), Feb 28, 2005: ENGINE. MALFUNCTIONED. (CAN) ON APPROACH THE ENGINE EXPERIENCED AN UNCOMMANDED POWER (TORQUE) REDUCTION ACCOMPANIED BY A LOUD NOISE AND LOSS OF ENGINE OIL PRESSURE. THE CREW SECURED T - [SDR CA050126007](https://openairdocs.org/sdr/CA050126007), Jan 19, 2005: ENGINE. FLUCTUATES. (CAN) THE ENGINE EXPERIENCED TORQUE FLUCTUATIONS IN CRUISE FOLLOWED BY AN UNCOMMANDED REDUCTION IN PROPELLER SPEED TO 12 PERCENT. THE PILOT SHUT THE ENGINE DOWN - [SDR CA050117011](https://openairdocs.org/sdr/CA050117011), Jan 13, 2005: TURBINE BLADES. DAMAGED. (CAN) DURING CRUISE THE PILOT REPORTED A (PUFF) FROM THE ENGINE ACCOMPANIED BY A LOSS OF TORQUE. POWER LEVER ADVANCEMENT RESULTED IN ENGINE TEMPERATURE INCREASE - [SDR CA050105011](https://openairdocs.org/sdr/CA050105011), Dec 24, 2004: TUBE. FRACTURED. (CAN) DURING CRUISE ENGINE TEMPERATURES INCREASED ACCOMPANIED BY SMOKE AND EXHAUST ODOR IN THE CABIN. THE CREW REDUCED ENGINE POWER. FIRE WARNING INDICATION ACT - [SDR NACA20040062](https://openairdocs.org/sdr/NACA20040062), Nov 24, 2004: CONTROL LEVER. SHORTED. LANDING GEAR WOULD NOT EXTEND NORMALLY. HAD TO USE MANUAL EXTENSION CONTROL. REPLACED LANDING GEAR CONTROL LEVER. OP CHECKED GOOD. - [SDR 071794](https://openairdocs.org/sdr/071794), Sep 10, 2004: ARM. CORRODED. CORROSION ON ARM OF ACTUATOR. - [SDR NACA20040023](https://openairdocs.org/sdr/NACA20040023), Jun 6, 2004: HOSE. RUPTURED. GREEN HYDRAULIC SYSTEM LOW LEVEL INDICATION UPON GEAR RETRACTION AFTER TAKEOFF. REPLACED LEFT MAIN LANDING GEAR UP LINE AT ACTUATOR FOR BEING RUPTURED. CHECKED - [SDR NACA20040021](https://openairdocs.org/sdr/NACA20040021), May 15, 2004: RELAY. INOPERATIVE. LANDING GEAR WOULD NOT EXTEND WITH LEVER IN THE DOWN POSITION. GRAVITY EXTENSION PROCEDURE WAS USED. FOUND 14GA RELAY DEFECTIVE AND POOR WIRE RETENTION AT RELAY - [SDR 006876](https://openairdocs.org/sdr/006876), Oct 29, 2003: BLADE. CRACKED. CRACK IN BLADE POSITION NR 2 ENGINE SIDE. - [SDR 0175156](https://openairdocs.org/sdr/0175156), May 20, 2003: BEARING. CORRODED. CORROSION ON BEARING BLADE PIN. All 76: https://openairdocs.org/model/aerospatiale-atr-atr-42/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.