# Service difficulty reports: N422MQ, cancelled Sep 11, 1998 A list on [N422MQ, cancelled Sep 11, 1998](https://openairdocs.org/deregistered/N422MQ-1998-09-11.md). Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first. - [SDR SIMA980851](https://openairdocs.org/sdr/SIMA980851.md): Selector Valve · inoperative · Mar 26, 1998 · N422MQ · Aerosp ATR42300 · Landing Gear Selector > ORD - FLT 4351 - DURING CLIMB-OUT, CREW WAS NOT ABLE TO RETRACT GEAR. CREW RETURNED TO ORD SAFELY. NO FURTHER INCIDENTS WAS REPORTED. RAI'D L/G SELECTOR VALVE. PERFORMED RETRACTION CHECK SATISFACTORILY AND RETURNED A/C TO SERVICE. (M) - [SDR SIMA980382](https://openairdocs.org/sdr/SIMA980382.md): Battery Pack · discharged · Feb 7, 1998 · N422MQ · Aerosp ATR42300 · Emergency Lighting > SAW - DURING PS-2 CHECK, MAINTENANCE DISCOVERED EMERGENCY LIGHT BATTERY PACK AT LOCATION 29 WL WAS INOP. MAINTENANCE REMOVED AND REPLACED BATTERY PACK AT LOCATION 29WL. OPS CHECKED GOOD. A/C RETURNED TO SERVICE. (M) - [SDR SIMA973502](https://openairdocs.org/sdr/SIMA973502.md): Light · inoperative · Dec 17, 1997 · N422MQ · Aerosp ATR42300 · Emergency Lighting > EMERGENCY DOOR LIGHT INOP. RAI EMERGENCY STEP LIGHT ON PAX DOOR. PERFORMED OPERATIONAL CHECK SATISFACTORILY. A/C WAS RETURNED TO SERVICE. (M) - [SDR SIMA973191](https://openairdocs.org/sdr/SIMA973191.md): Light · failed · Nov 15, 1997 · N422MQ · Aerosp ATR42300 · Passenger Compartment Lighting > ORD - FLT 4305 - FLT ATTENDANT REPORTED SMOKE FROM READING LIGHT OVER 8A, B. TURNED OFF LIGHT SWITCH AND SMOKE STOPPED. DISCONNECTED READING LIGHT POWER SUPPLY AND MEL, D READING LIGHT PER 25-19. READING LIGHT 8B LIGHT ASSY AND POWER UNIT IAW STANDARD PRACT - [SDR SIMA973131](https://openairdocs.org/sdr/SIMA973131.md): Power Pack · inoperative · Nov 9, 1997 · N422MQ · Aerosp ATR42300 · Emergency Lighting > GRR - FORWARD EMERGENCY FLOOR LIGHTS INOP. RAI'D POWER SUPPLY BATTERY PACK. OPS CHECK GOOD. AIRCRAFT WAS RETURNED TO SERVICE. (M) - [SDR SIMA972035](https://openairdocs.org/sdr/SIMA972035.md): Seat Track · corroded · Jul 22, 1997 · N422MQ · Aerosp ATR42300 · Fuselage, Seat/Cargo Attach Fittings > SAW - DURING CPCP-1 INSPECTION TASK CARD ZL-141-GVI-10020-001, MAINTENANCE DISCOVERED THE LEFT AND RIGHT AFT FLIGHT ATTENDANT SEAT TRACKS CORRODED OUT OF LIMITS IAW SRM 53-61-00. MAINTENANCE REMOVED AND INSTALLED NEW SEAT TRACKS IAW SRM 51-25-04 AND EO E9-530 - [SDR SIMA972034](https://openairdocs.org/sdr/SIMA972034.md): Seat Track · corroded · Jul 22, 1997 · N422MQ · Aerosp ATR42300 · Fuselage, Seat/Cargo Attach Fittings > SAW - DURING CPCP-1 INSPECTION TASK CARD ZL-141-GVI-10020-001, MAINTENANCE DISCOVERED THE LEFT AFT INBOARD, RIGHT AFT INBOARD SEAT TRACKS CORRODED OUT OF LIMITS IAW SRM 53-61-00. MAINTENANCE REMOVED AND INSTALLED NEW SEAT TRACKS IAW SRM 51-25-04 AND EO E9-53- - [SDR SIMA972033](https://openairdocs.org/sdr/SIMA972033.md): Support · corroded · Jul 22, 1997 · N422MQ · Aerosp ATR42300 · Fuselage Miscellaneous Structure > SAW - DURING CPCP-1 INSPECTION TASK CARD ZL-141-GVI-10020-001, MAINTENANCE DISCOVERED THE AFT RIGHT FLOOR SUPPORT ZEE (ZEE MEMBER) BETWEEN FLOOR BEAMS 39R AND 41R CORRODED OUT OF LIMITS IAW SRM 53-61-00. MAINTENANCE REPLACED Z-MEMBER IAW SRM 51-25-03. AIRCRA - [SDR SIMA972032](https://openairdocs.org/sdr/SIMA972032.md): Sill · corroded · Jul 22, 1997 · N422MQ · Aerosp ATR42300 · Fuselage Miscellaneous Structure > SAW - DURING CPCP-1 INSPECTION TASK CARD ZL-141-GVI-10020-001, MAINTENANCE DISCOVERED THE SERVICE DOOR SILL PLATE CORRODED OUT OF LIMITS IAW SRM 53-61-00. MAINTENANCE REMOVED AND INSTALLED NEW SILL PLATE IAW SRM 51-25-03. AIRCRAFT RETURNED TO SERVICE. (X) - [SDR SIMA9701981](https://openairdocs.org/sdr/SIMA9701981.md): Floor Beam · corroded · Jul 17, 1997 · N422MQ · Aerosp ATR42300 · Fuselage Main, Floor Beam > SAW - DURING CPCP-1 INSPECTION TASK CARD ZL-141-GVI-10020-001, MAINTENANCE DISCOVERED CORROSION AROUND NUTPLATES ON FLOORBEAM NR 36 AND NR 39. CORROSION WAS OUT OF LIMITS IAW SRM 53-61-00. MAINTENANCE REMOVED AND INSTALLED FLOOR BEAMS IAW SRM 51-24-00 AND SR - [SDR 97ZZZX3398](https://openairdocs.org/sdr/97ZZZX3398.md): Floor Beam · corroded · Jul 17, 1997 · N422MQ · Aerosp ATR42300 · Fuselage Main, Floor Beam > SAW - DURING CPCP-1 INSPECTION TASK CARD ZL-141-GVI-10020-001, MAINTENANCE DISCOVERED CORROSION AROUND NUTPLATES ON FLOORBEAM NR 36 AND NR 39. CORROSION WAS OUT OF LIMITS IAW SRM 53-61-00. MAINTENANCE REMOVED AND INSTALLED FLOOR BEAMS IAW SRM 51-24-00 AND SR - [SDR SIMA9701141](https://openairdocs.org/sdr/SIMA9701141.md): Battery Pack · discharged · Apr 24, 1997 · N422MQ · Aerosp ATR42300 · Emergency Lighting > ORD - FLT 4031 - EMERGENCY FLOOR LIGHT SYSTEM STAYS ON WHEN AIRCRAFT POWER IS REMOVED AFTER TESTING THE FLOOR LIGHT SYSTEM. REPLACED EMERGENCY LIGHT BATTERY PACK 3WL. OPS CHECK PERFORMED WITH NO DISCREPANCIES NOTED. AIRCRAFT WAS RETURNED TO SERVICE. (X) - [SDR SIMA961141](https://openairdocs.org/sdr/SIMA961141.md): Battery · discharged · Apr 23, 1996 · N422MQ · Aerosp ATR42300 · Emergency Lighting > ORD - FLT 4245 - FORWARD EMERGENCY LIGHTS INOPERABLE. C/A - REPLACED POWER PACK AND BATTERY 3WL CHECK GOOD. AIRCRAFT WAS RETURNED TO SERVICE. (X) - [SDR SIMA960711](https://openairdocs.org/sdr/SIMA960711.md): Power Supply · defective · Mar 11, 1996 · N422MQ · Aerosp ATR42300 · Emergency Lighting > RFD - DURING PS-2 CHECK MAINTENANCE DISCOVERED THE FORWARD CABIN INTERIOR EMERGENCY LIGHT REMAINED ILLUMINATED WHEN SELECTED OFF. MAINTENANCE REMOVED AND REPLACED THE FORWARD EMERGENCY LIGHT POWER SUPPLY IAW JIC 335121. SYSTEM OPERATIONALLY CHECKED GOOD. AI - [SDR SIMA960261](https://openairdocs.org/sdr/SIMA960261.md): Power Supply · inoperative · Jan 26, 1996 · N422MQ · Aerosp ATR42300 · Emergency Lighting > CMI - EMERGENCY LIGHT POWER PACK AT 30WL INOP. REMOVED AND INSPECTED POWER PACK AND BATTERY AT 30WL. AIRCRAFT RETURNED TO SERVICE. (X) - [SDR SIMA953062](https://openairdocs.org/sdr/SIMA953062.md): Deice Controller · malfunctioned · Nov 2, 1995 · N422MQ · Aerosp ATR42300 · Airfoil Anti/De-ice System > ORD - FLT 4340 - AIRFRAME DE-ICE FAULTY IN-FLIGHT. AIRCRAFT RETURNED TO ORD. LANDING UNEVENTFUL IN ORD. REMOVED AND INSPECTED AIRFRAME DE-ICE CONTROLLER 'B'. GROUND RUN CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE. PART TOTAL CYCLES, 10799.0. (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 = 'N422MQ' AND deregistration_id = 'N422MQ-1998-09-11' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/deregistered/N422MQ-1998-09-11/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.