# Service difficulty reports: N21837, cancelled Aug 31, 2010 A list on [N21837, cancelled Aug 31, 2010](https://openairdocs.org/deregistered/N21837-2010-08-31.md). Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first. - [SDR C2XA02IA139](https://openairdocs.org/sdr/C2XA02IA139.md): Light · inoperative · Jul 7, 2002 · N21837 · Aerosp ATR42320 · Emergency Lighting > IAH- WHILE PERFORMING MAINTENANCE THE MECHANIC NOTED THAT THE PAX DOOR GROUND EMERGENCY LIGHT FAILED TO ILLUMINATE. MAINTENANCE REMOVED AND REPLACED THE PAX DOOR GROUND EMERGENCY LIGHT ASSEMBLY. PERFORMED A OPERATIONAL CHECK OF THE EMERGENCY LIGHTING SYSTEM, - [SDR C2XA01CL177](https://openairdocs.org/sdr/C2XA01CL177.md): Shutoff Valve · failed · Jul 25, 2001 · N21837 · Aerosp ATR42320 · Engine Bleed Air System > PIT FLIGHT#3077 THE CREW REPORTED A FIRE WARNING ON THE #1 ENGINE AFTER TAKEOFF. THE TORQUE ALSO BEGIN TO DROP TO 50% ALONG WITH THE ITT BEGAN TO RISE TO 810.THE AIRCRAFT RETURNED TO PIT AND LANDED WITHOUT FURTHER INCIDENT.MAINTENANCE INSPECTED THE #1 ENGINE - [SDR C2XA01CL145](https://openairdocs.org/sdr/C2XA01CL145.md): Duct · leaking · Jun 19, 2001 · N21837 · Aerosp ATR42320 · Pneumatic Distribution System > CLE FLIGHT 3793 THE CREW REPORTED A NR 2 ENGINE FIRE LIGHT AFTER TAKEOFF. THE LIGHT WAS A MOMENTARY LIGHT AND REPORTED NO FIRE. THE AIRCRAFT RETURNED TO CLEVELAND WITHOUT FURTHER INCIDENT. MAINTENANCE INSPECTED AND FOUND THAT IT WAS A NACELLE OVERHEAT PROBL - [SDR C2XA01CL141](https://openairdocs.org/sdr/C2XA01CL141.md): A/C Pack · defective · Jun 14, 2001 · N21837 · Aerosp ATR42320 · Cabin Cooling System > CLE FLIGHT 3705 THE CREW REPORTED A SMELL OF SMOKE IN THE CABIN DURING CLIMB. THE AIRCRAFT RETURNED TO CLEVELAND WITHOUT FURTHER INCIDENT. MAINTENANCE INSPECTED AND FOUND NR 2 PACK SYSTEM CAUSING THE SMELL IN THE CABIN. THE SYSTEM WAS PLACED ON MEL. THE AI - [SDR C2XAA01BT121](https://openairdocs.org/sdr/C2XAA01BT121.md): Cam Follower · seized · May 31, 2001 · N21837 · Aerosp ATR42320 · Gust Lock Damper System > YUL---Durring a scheduled 4C inspection. The pitch uncoupling mechanism was found seized.Maintenance removed and replaced the cam follower and bearing I.A.W.-ATR-42-JIC-27-31-42,20-21-00 AND 20-26-14. - [SDR C2XA01IA075](https://openairdocs.org/sdr/C2XA01IA075.md): Battery · discharged · Feb 9, 2001 · N21837 · Aerosp ATR42320 · Emergency Lighting > IAH- DURING MAINTENANCE INSPECTION SEVERAL EMERGENCY AISLE PATH LIGHTS WERE FOUND TO BE INOPERATIVE. THE NUMBER THREE EMERGENCY BATTERY WAS REMOVED AND REPLACED AND THE OPERATIONAL CHECK OF THE EMERGENCY AISLE PATH LIGHTING WAS SATISFACTORY. REFERENCE ATR-42 - [SDR C2XA00BT068](https://openairdocs.org/sdr/C2XA00BT068.md): Fan · failed · Sep 27, 2000 · N21837 · Aerosp ATR42320 · Air Distribution Fan > EWR - FLT 3323 - MAINTENANCE CLEARED MEL ON EXTRACTION FAN FAULTS DURING APPROACH. VERY MILD SMOKE ODOR A/C RELEASED IAW MEL 21-23-03. MAINTENANCE REMOVED AND REPLACED EXTRACTION FAN IAW ATR42 AMM NR 21-23-20. OPS CHECKED GOOD. MEL CLEARED AND AIRCRAFT RET - [SDR C2XA00BT056](https://openairdocs.org/sdr/C2XA00BT056.md): Fan · faulty · Sep 18, 2000 · N21837 · Aerosp ATR42320 · Air Distribution Fan > EWR - FLT 3396 - CREW REPORTED EXTRACTION FAN FAULTED DURING APPROACH. VERY MILD SMOKE ODOR NOTED. MAINTENANCE T/S AIRCRAFT AND FOUND INOPERATIVE EXTRACTION FAN. AIRCRAFT RELEASED IAW MEL NR 21-23-03-6 PLACARD NR 001029. S/D MAINTENANCE REMOVED AND REPLACE - [SDR C2XA00BT044](https://openairdocs.org/sdr/C2XA00BT044.md): Stud · corroded · Jul 6, 2000 · N21837 · Aerosp ATR42320 · Landing Gear Position and Warning > EWR - FLT 2920 - CREW REPORTED RIGHT MAIN LANDING GEAR UNLOCK INDICATION ON SYSTEM NR 2. MAINTENANCE CLEANED CORROSION ON GROUNDING STUD 5056VN, PSEU TESTED GOOD. AIRCRAFT RETURNED TO SERVICE. (M) - [SDR C2XA99BT098](https://openairdocs.org/sdr/C2XA99BT098.md): Bulb · failed · Oct 22, 1999 · N21837 · Aerosp ATR42320 · Emergency Lighting > BTV - FLT 3680 - MAINTENANCE FOUND PASSENGER DOOR EMERGENCY EXIT LIGHT INOPERATIVE. REMOVED AND REPLACED LIGHT BULB AND OPS CHECKED SYSTEM GOOD. (M) - [SDR C2XA99IA444](https://openairdocs.org/sdr/C2XA99IA444.md): Channel · corroded · Aug 10, 1999 · N21837 · Aerosp ATR42320 · Fuselage Miscellaneous Structure > DURING CONTINENTAL EXPRESS C-CHECK, FOUND RT C-CHANNEL CORRODED FROM FRAME 38 TO FRAME 39. REMOVED, FABRICATED AND INSTALLED NEW C-CHANNEL IAW SRM 51-25-02. AIRCRAFT APPROVED FOR RETURN TO SERVICE. (M) - [SDR C2XA99IA443](https://openairdocs.org/sdr/C2XA99IA443.md): Channel · corroded · Aug 10, 1999 · N21837 · Aerosp ATR42320 · Fuselage Miscellaneous Structure > DURING CONTINENTAL EXPRESS C-CHECK, FOUND LEFT C-CHANNEL CORRODED FROM FRAME 38 TO FRAME 39. REMOVED, FABRICATED AND INSTALLED NEW C-CHANNEL IAW SRM 51-24-01 AND 51-25-02. AIRCRAFT APPROVED FOR RETURN TO SERVICE. (M) - [SDR C2XA99IA442](https://openairdocs.org/sdr/C2XA99IA442.md): Floorbeam · corroded · Aug 10, 1999 · N21837 · Aerosp ATR42320 · Fuselage Main, Floor Beam > DURING CONTINENTAL EXPRESS C-CHECK, FOUND FLOORBEAM AT FRAME NR 38 CORRODED. REMOVED CORROSION AND REPAIRED IAW EC5310-01037. AIRCRAFT APPROVED FOR RETURN TO SERVICE. (M) - [SDR C2XA99IA441](https://openairdocs.org/sdr/C2XA99IA441.md): Floorbeam · corroded · Aug 10, 1999 · N21837 · Aerosp ATR42320 · Fuselage Main, Floor Beam > DURING CONTINENTAL EXPRESS C-CHECK, FOUND FLOORBEAM AT FRAME NR 39 CORRODED. REMOVED CORROSION AND REPAIRED IAW EC5310-01037. AIRCRAFT APPROVED FOR RETURN TO SERVICE. (M) - [SDR C2XA99IA440](https://openairdocs.org/sdr/C2XA99IA440.md): Floorbeam · corroded · Aug 10, 1999 · N21837 · Aerosp ATR42320 · Fuselage Main, Floor Beam > DURING CONTINENTAL EXPRESS C-CHECK, FOUND FLOORBEAM AT FRAME NR 40 CORRODED. REMOVED CORROSION AND REPAIRED IAW EC5310-01037. AIRCRAFT APPROVED FOR RETURN TO SERVICE. (M) - [SDR C2XA99IA439](https://openairdocs.org/sdr/C2XA99IA439.md): Seat Track · corroded · Aug 10, 1999 · N21837 · Aerosp ATR42320 · Fuselage, Seat/Cargo Attach Fittings > DURING CONTINENTAL EXPRESS C-CHECK, FOUND RIGHT INBOARD SEAT TRACK CORRODED AND GOUGED FROM FRAME 17 TO FRAME 37. CUT OUT DAMAGED SECTIONS (5 TOTAL), FABRICATED AND INSTALLED REPAIR DOUBLERS IAW EC5340-01018. AIRCRAFT APPROVED FOR RETURN TO SERVICE. (M) - [SDR C2XA99IA438](https://openairdocs.org/sdr/C2XA99IA438.md): Seat Track · corroded · Aug 10, 1999 · N21837 · Aerosp ATR42320 · Fuselage, Seat/Cargo Attach Fittings > DURING CONTINENTAL EXPRESS C-CHECK, FOUND LEFT CENTER SEAT TRACK CORRODED FROM FRAME 39 AFT. REMOVED AND REPLACED SEAT TRACK IAW SRM 51-25-04, 51-21-17, 51-21-31, 51-25-02 AND 51-25-03. AIRCRAFT APPROVED FOR RETURN TO SERVICE. (M) - [SDR C2XA99IA437](https://openairdocs.org/sdr/C2XA99IA437.md): Seat Track · damaged · Aug 10, 1999 · N21837 · Aerosp ATR42320 · Fuselage, Seat/Cargo Attach Fittings > DURNG CONTINENTAL EXPRESS C-CHECK, FOUND LEFT OUTBOARD SEAT TRACK CORRODED, GOUGED AND BARE METAL EXPOSED FROM FRAME 17 TO FRAME 37. REPAIRED THREE AREAS FROM FRAME 17 TO FRAME 21 IAW EC5340-01018. REMOVED AND REPLACED SEAT TRACK FROM FRAME 18 TO FRAME 23 IA - [SDR C2XA99IA436](https://openairdocs.org/sdr/C2XA99IA436.md): Seat Track · corroded · Aug 10, 1999 · N21837 · Aerosp ATR42320 · Fuselage, Seat/Cargo Attach Fittings > DURING CONTINENTAL EXPRESS C-CHECK, FOUND RIGHT INBOARD SEAT TRACK CORRODED FROM FRAME 39 TO FRAME 40. REMOVED AND REPLACED SEAT TRACK IAW SRM 51-25-04, 51-21-17, 51-21-31, 51-25-02 AND 51-25-03. AIRCRAFT APPROVED FOR RETURN TO SERVICE. (M) - [SDR C2XA99IA435](https://openairdocs.org/sdr/C2XA99IA435.md): Seat Track · corroded · Aug 10, 1999 · N21837 · Aerosp ATR42320 · Fuselage, Seat/Cargo Attach Fittings > DURING CONTINENTAL EXPRESS C-CHECK, FOUND LEFT INBOARD SEAT TRACK CORRODED FROM FRAME 36 TO FRAME 39. REMOVED AND REPLACED SEAT TRACK IAW SRM 51-25-04, 51-21-17, 51-21-31, 51-25-02 AND 51-25-03. AIRCRAFT APPROVED FOR RETURN TO SERVICE. (M) - [SDR C2XA99IA434](https://openairdocs.org/sdr/C2XA99IA434.md): Plate · corroded · Aug 10, 1999 · N21837 · Aerosp ATR42320 · Fuselage Miscellaneous Structure > DURING CONTINENTAL EXPRESS C-CHECK, FOUND SERVICE DOOR THRESHOLD PLATE CORRODED. REMOVED AND REPLACED THRESHOLD PLATE IAW SRM 51-25-02. AIRCRAFT APPROVED FOR RETURN TO SERVICE. (M) - [SDR C2XA99IA433](https://openairdocs.org/sdr/C2XA99IA433.md): Plate · corroded · Aug 10, 1999 · N21837 · Aerosp ATR42320 · Fuselage Miscellaneous Structure > DURING CONTINENTAL EXPRESS C-CHECK, FOUND LEFT ENTRANCE DOOR THRESHOLD PLATE CORRODED. REMOVED AND REPLACED ENTRANCE DOOR THRESHOLD PLATE IAW SRM 51-25-02 AND 51-25-03. AIRCRAFT APPROVED FOR RETURN TO SERVICE. (M) - [SDR C2XA98BT074](https://openairdocs.org/sdr/C2XA98BT074.md): Battery Pack · discharged · Oct 27, 1998 · N21837 · Aerosp ATR42320 · Emergency Lighting > FORWARD EMERGENCY FLOOR TRACK LIGHTS INOP. REMOVED AND REPLACED BATTERY PACK IN EMERGENCY LIGHTING POWER SUPPLY. (M) - [SDR C2XA98BT040](https://openairdocs.org/sdr/C2XA98BT040.md): Battery Pack · discharged · Jun 10, 1998 · N21837 · Aerosp ATR42320 · Emergency Lighting > BTV - DURING 1A INSPECTION, FOUND EMERGENCY LIGHTS FORWARD BATTERY PACK INOP. FORWARD EXIT AND HALF OF FWD FLOOR LIGHTS INOP. REMOVED AND REPLACED FWD AND MID PWR SUPPLY, IAW ATR 42 MM 33-50-00. OPS CHECK GOOD. (M) - [SDR C2XA98BT013](https://openairdocs.org/sdr/C2XA98BT013.md): Transducer · inoperative · Feb 17, 1998 · N21837 · Aerosp ATR42320 · Landing Gear Brake System > ON LANDING IN EWR, TOWER OBSERVED SMOKE FROM LEFT LANDING GEAR ON LANDING ROLL. TOWER CALLED TRUCKS AND NOTIFIED CAPTAIN. REMOVED AND REPLACED WHEEL AND WHEEL SPEED TRANSDUCER. (M) - [SDR C2XA97IA362](https://openairdocs.org/sdr/C2XA97IA362.md): Frame · corroded · Dec 10, 1997 · N21837 · Aerosp ATR42320 · Fuselage Main, Frame > IAH - DURING C-CHECK INSPECTION, FOUND RIGHT FRAME 37 CORRODED AT FLOOR LEVEL. MAINTENANCE REMOVED CORRODED SECTION OF FRAME 37 AND INSTALLED REPAIR DOUBLER IAW ATR-42 EC5310-01013. THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE. (M) - [SDR C2XA97IA361](https://openairdocs.org/sdr/C2XA97IA361.md): Skin · cracked · Dec 10, 1997 · N21837 · Aerosp ATR42320 · Cargo/Baggage Doors > IAH - DURING C-CHECK INSPECTION, FOUND CARGO DOOR INNER SKIN (PAN) CRACKED AT DOOR SUPPORT STRUT ATTACHMENT. MAINTENANCE REMOVED AND REPLACED THE CRACKED AREA AND INSTALLED REPAIR DOUBLER IAW ATR-42 SRM 52-31-00. THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVI - [SDR C2XA97IA360](https://openairdocs.org/sdr/C2XA97IA360.md): Bracket · cracked · Dec 10, 1997 · N21837 · Aerosp ATR42320 · Fuselage Miscellaneous Structure > IAH - DURING C-CHECK INSPECTION, FOUND TOP FORWARD WING TO FUSELAGE PANEL 291AL RIGHT INBOARD ATTACHMENT BRACKET CRACKED. MAINTENANCE REMOVED AND REPLACED THE ATTACHMENT BRACKET IAW ATR 42 MM 51-70-00. THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE. (M) - [SDR C2XA97IA359](https://openairdocs.org/sdr/C2XA97IA359.md): Frame · cracked · Dec 10, 1997 · N21837 · Aerosp ATR42320 · Fuselage Main, Frame > IAH - DURING C-CHECK INSPECTION, FOUND LOWER FUSELAGE FAIRING SUPPORT FRAME 27 RIGHT CRACKED AT CHORD. MAINTENANCE REMOVED AND REPLACED THE DAMAGED SECTION OF CHORD IAW ATR-42 SRM 51-70-00 AND 51-21-02. THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE. (M) - [SDR C2XA97IA358](https://openairdocs.org/sdr/C2XA97IA358.md): Support · cracked · Dec 10, 1997 · N21837 · Aerosp ATR42320 · Fuselage Miscellaneous Structure > IAH - DURING C-CHECK INSPECTION, FOUND WING TO FUSELAGE FAIRING PANEL 296AR SUPPORT CRACKED. MAINTENANCE REMOVED AND REPLACED THE PANEL SUPPORT IAW ATR-42 SRM 51-25-03/51-25-02. THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE. (M) - [SDR C2XA97IA357](https://openairdocs.org/sdr/C2XA97IA357.md): Attachment · cracked · Dec 10, 1997 · N21837 · Aerosp ATR42320 · Landing Gear Doors > IAH - DURING C-CHECK INSPECTION, FOUND NOSE LANDING GEAR LEFT FORWARD DOOR ACTUATING ROD ATTACHMENT ON DRAG BRACE CRACKED. MAINTENANCE REMOVED AND REPLACED THE ATTACHMENT, REFERENCE ATR-42 MM 32-31-13. THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE. (M) - [SDR C2XA97IA356](https://openairdocs.org/sdr/C2XA97IA356.md): Attachment · cracked · Dec 10, 1997 · N21837 · Aerosp ATR42320 · Landing Gear Doors > IAH - DURING C-CHECK INSPECTION, FOUND NOSE LANDING GEAR RIGHT FORWARD DOOR ACTUATING ROD ATTACHMENT ON DRAG BRACE CRACKED. MAINTENANCE REMOVED AND REPLACED THE ATTACHMENT, REFERENCE ATR-42 MM 32-31-13. THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE. (M) - [SDR C2XA96IA277](https://openairdocs.org/sdr/C2XA96IA277.md): Seat Track · corroded · Oct 28, 1996 · N21837 · Aerosp ATR42320 · Fuselage, Seat/Cargo Attach Fittings > IAH - DURING C-CHECK INSPECTION, FOUND FLIGHT ATTENDANTS RIGHT SIDE SEAT TRACK TO BE CORRODED. REMOVED AND REPLACED AFFECTED AREA OF SEAT TRACK. AIRCRAFT APPROVED FOR RETURN TO SERVICE. (M) - [SDR C2XA96IA276](https://openairdocs.org/sdr/C2XA96IA276.md): Seat Track · corroded · Oct 28, 1996 · N21837 · Aerosp ATR42320 · Fuselage, Seat/Cargo Attach Fittings > IAH - DURING C-CHECK INSPECTION, FOUND FLIGHT ATTENDANTS LEFT SIDE SEAT TRACK TO BE CORRODED. REMOVED AND REPLACED AFFECTED AREA OF SEAT TRACK. AIRCRAFT APPROVED FOR RETURN TO SERVICE. (M) - [SDR C2XA96IA275](https://openairdocs.org/sdr/C2XA96IA275.md): Seat Track · corroded · Oct 28, 1996 · N21837 · Aerosp ATR42320 · Fuselage, Seat/Cargo Attach Fittings > IAH - DURING C-CHECK INSPECTION, FOUND RIGHT AFT OUTBOARD SEAT TRACK TO HAVE CORROSION. REMOVED AND REPLACED AFFECTED AREA OF SEAT TRACK. AIRCRAFT APPROVED FOR RETURN TO SERVICE. (M) - [SDR C2XA96IA274](https://openairdocs.org/sdr/C2XA96IA274.md): Seat Track · corroded · Oct 28, 1996 · N21837 · Aerosp ATR42320 · Fuselage, Seat/Cargo Attach Fittings > IAH - DURING C-CHECK INSPECTION, FOUND RIGHT AFT INBOARD SEAT TRACK TO HAVE CORROSION. REMOVED AND REPLACED AFFECTED AREA OF SEAT TRACK. AIRCRAFT APPROVED FOR RETURN TO SERVICE. (M) - [SDR C2XA96IA273](https://openairdocs.org/sdr/C2XA96IA273.md): Floor Beam · corroded · Oct 28, 1996 · N21837 · Aerosp ATR42320 · Fuselage Main, Floor Beam > IAH - DURING C-CHECK INSPECTION, FOUND FRAME NR 36 FLOOR BEAM TO HAVE CORROSION. INSTALLED DOUBLER TO AFFECTED AREA. AIRCRAFT APPROVED FOR RETURN TO SERVICE. (M) - [SDR C2XA96IA272](https://openairdocs.org/sdr/C2XA96IA272.md): Frame · corroded · Oct 28, 1996 · N21837 · Aerosp ATR42320 · Fuselage Main, Floor Beam > IAH - DURING C-CHECK INSPECTION, FOUND FRAME NR 39 FLOOR BEAM TO HAVE CORROSION. INSTALLED DOUBLER TO AFFECTED AREA. AIRCRAFT APPROVED FOR RETURN TO SERVICE. (M) - [SDR C2XA96IA271](https://openairdocs.org/sdr/C2XA96IA271.md): Floor Beam · corroded · Oct 28, 1996 · N21837 · Aerosp ATR42320 · Fuselage Main, Floor Beam > IAH - DURING C-CHECK INSPECTION, FOUND FRAME NR 38 FLOOR BEAM TO HAVE CORROSION. INSTALLED DOUBLER TO AFFECTED AREA. AIRCRAFT APPROVED FOR RETURN TO SERVICE. (M) - [SDR C2XA95IA215](https://openairdocs.org/sdr/C2XA95IA215.md): Blade · failed · Aug 26, 1995 · N21837 · Aerosp ATR42320 · Propeller Blade Section > IAH - DURING ACCOMPLISHMENT OF AD T95-18-51, THE RT PROPELLER NR 2 BLADE FAILED THE ULTRASONIC SHEAR WAVE INSPECTION. MAINTENANCE REMOVED AND REPLACED THE AFFECTED BLADE, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE. (X) - [SDR C2XA95IA214](https://openairdocs.org/sdr/C2XA95IA214.md): Blade · failed · Aug 26, 1995 · N21837 · Aerosp ATR42320 · Propeller Blade Section > IAH - DURING ACCOMPLISHMENT OF AD T95-18-51, THE RT PROPELLER NR 1 BLADE FAILED THE ULTRASONIC SHEAR WAVE INSPECTION. MAINTENANCE REMOVED AND REPLACED THE AFFECTED BLADE, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE. (X) ## The whole list in SQL Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS: ```sql SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet' WHERE n_number = 'N21837' AND deregistration_id = 'N21837-2010-08-31' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/deregistered/N21837-2010-08-31/reports --- 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.