N421MQ, cancelled Jun 11, 1998

Service difficulty reports · 17

Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first.

Query with SQL
duckdb -csv -c "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 = 'N421MQ' AND deregistration_id = 'N421MQ-1998-06-11'
  ORDER BY difficulty_date DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

SDR SIMA973421Resistor · failedORD - FLT 4366 - SIX FLOOR EMERGENCY LIGHTS OUT. RAI BURNED RESISTOR ON EMERGENCY POWER SUPPLY ON 29WL, OPS CHECK GOOD. AIRCRAFT RETURNED TO SERVICE. (M)Dec 8, 1997 · N421MQ · Aerosp ATR42300 · Emergency LightingSDR SIMA9701903Fuses · blownORD - FLT 4082 - THREE EMERGENCY EXIT FLOOR PROXIMITY LIGHTS IN REAR OF CABIN ARE INOPERABLE. MEL 33-22 CAT C AUTH NR 070122. MEL'D SYSTEM PER 33-22, AND RETURNED AIRCRAFT TO SERVICE. 7-13-97 - FOUND THREE FUSES IN THE EMERGENCY LIGHT POWER SUPPLY AT 30WL BJul 9, 1997 · N421MQ · Aerosp ATR42300 · Emergency LightingSDR SIMA971591Battery · dischargedORD - FLT 4088 - FORWARD LOWER EMERGENCY EXIT LIGHT INOP. REPLACED BATTERY FOR EMERGENCY LIGHT AT SEAT 1AB (3WL) PERFORMED OPS CHECK. AIRCRAFT WAS RETURN TO SERVICE. (M)Jun 8, 1997 · N421MQ · Aerosp ATR42300 · Emergency LightingSDR SIMA9701521Bulb · failedORD - FLT 4389 - TWO LIGHT BULBS THE THIRD FROM THE LAST AND THE LAST EMERGENCY FLOOR LIGHT STRIP INOP. ENTERED INTO MEL. AIRCRAFT RETURNED TO SERVICE. MEL WAS CLEARED BY REPLACING THE BULB. PERFORMED EMERGENCY LIGHT CHECK WITH NO DISCREPANCIES NOTED. AIRJun 1, 1997 · N421MQ · Aerosp ATR42300 · Emergency LightingSDR SIMA971251Bearing · seizedORD - FLT 4304 - AFTER LANDING, THE CREW NOTED THAT THE HOT BRAKE WARNING LIGHT ILLUMINATED, THE AIRCRAFT WAS STOPPED TO INVESTIGATE AND FOUND THAT THE NR 1 MAIN TIRE WAS BLOWN AND NR 1 BRAKE WAS SMOKING AND HYDRAULIC FLUID WAS LEAKING FROM THE LINES. INSPECTMay 5, 1997 · N421MQ · Aerosp ATR42300 · Wheel/Ski/FloatSDR SIMA9700161Landing Light · failedORD - FLT 4162 - ON SHORT FINAL FOR LANDING IN ORD, THE RIGHT LANDING LIGHT CB TRIPPED FOLLOWED BY NOISE OF RELAY, CHATTERING AND A HOT ELECTRICAL ODOR IN THE COCKPIT. MAINTENANCE PERFORMED GROUND RUNS ON THE AIRCRAFT AND COULD NOT DUPLICATE THE HOT ELECTRICAJan 16, 1997 · N421MQ · Aerosp ATR42300 · Exterior LightingSDR SIMA960942Landing Gear · failedTVC - FLT 4245 - AFTER LANDING AT TVC, DURING ROLL OUT TO TAXI WAY, AIRCRAFT LT MLG FAILED. CREW COMPLIED WITH ENGINE SHUTDOWN AND EMERGENCY EVACUATION OF PASSENGERS. INVESTIGATION SHOWED THAT THE MLG LANDING GEAR SEPARATED AT THE SWIVEL POINT BETWEEN LEG ASApr 3, 1996 · N421MQ · Aerosp ATR42300 · Main Landing GearSDR SIMA960631Wire · brokenORD - FLT 4164 - WIRE FOR ENTRANCE EMERGENCY LIGHT BROKEN BY PASSENGER. MAINTENANCE REPAIRED BROKEN WIRE. AIRCRAFT RETURNED TO SERVICE. (X)Mar 3, 1996 · N421MQ · Aerosp ATR42300 · Light System WiringSDR SIMA960332Battery Pack · dischargedCMI - EMERGENCY LIGHTS FOR BATTERY PACK POSITION 10WL INOPERATIVE AND EMERGENCY LIGHTS AT POSITION 3WL WILL NOT GO OUT. RAI'D BATTERY PACKS AT 10WL AND 3WL. AIRCRAFT WAS RETURNED TO SERVICE. (M)Feb 2, 1996 · N421MQ · Aerosp ATR42300 · Emergency LightingSDR 96ZZZM257Battery Pack · dischargedCMI - EMERGENCY LIGHTS FOR BATTERY PACK POSITION 10WL INOPERATIVE AND EMERGENCY LIGHTS AT POSITION 3WL WILL NOT GO OUT. RAI'D BATTERY PACKS AT 10WL AND 3WL. AIRCRAFT WAS RETURNED TO SERVICE. REFERENCE SIMA960332.Feb 2, 1996 · N421MQ · Aerosp ATR42300 · Emergency LightingSDR SIMA953271Bell Crank Assy · worn bearingORD - DURING ACCOMPLISHMENT OF EO E9-2700-001 INSP OF AILERON CONTROL SYS, FOUND PENDULAR LEVER ASSY AT LT WING RIB STA NRS 16, 14, 13, AND 8, RT WING RIB STA NR 21 FAILED TOLERANCE REQUIREMENTS. RT WING BELL CRANK ASSY AT RIB STA NR 27 HAS EXCESSIVE MOVEMENTNov 23, 1995 · N421MQ · Aerosp ATR42300 · Aileron Control SystemSDR 95ZZZX6625Crank Assy · worn bearingORD - DURING ACCOMPLISHMENT OF EO E9-2700-001 INSP OF AILERON CONTROL SYS, FOUND PENDULAR LEVER ASSY AT LT WING RIB STA NRS 16, 14, 13, AND 8, RT WING RIB STA NR 21 FAILED TOLERANCE REQUIREMENTS. RT WING BELL CRANK ASSY AT RIB STA NR 27 HAS EXCESSIVE MOVEMENTNov 23, 1995 · N421MQ · Aerosp ATR42300 · Aileron Control SystemSDR 95ZZZX6624Crank Assy · worn bearingORD - DURING ACCOMPLISHMENT OF EO E9-2700-001 INSP OF AILERON CONTROL SYS, FOUND PENDULAR LEVER ASSY AT LT WING RIB STA NRS 16, 14, 13, AND 8, RT WING RIB STA NR 21 FAILED TOLERANCE REQUIREMENTS. RT WING BELL CRANK ASSY AT RIB STA NR 27 HAS EXCESSIVE MOVEMENTNov 23, 1995 · N421MQ · Aerosp ATR42300 · Aileron Control SystemSDR 95ZZZX6623Rod Assy · bentORD - DURING ACCOMPLISHMENT OF EO E9-2700-001 INSP OF AILERON CONTROL SYS, FOUND PENDULAR LEVER ASSY AT LT WING RIB STA NRS 16, 14, 13, AND 8, RT WING RIB STA NR 21 FAILED TOLERANCE REQUIREMENTS. RT WING BELL CRANK ASSY AT RIB STA NR 27 HAS EXCESSIVE MOVEMENTNov 23, 1995 · N421MQ · Aerosp ATR42300 · Aileron Control SystemSDR SIMA952922Eel Power Supply · defectiveCVG - FLT 4020 - EMERGENCY BATTERY SUPPLY WILL NOT POWER EMERGENCY EXIT LIGHTS OVER EXITS AND FLOOR LIGHTING. RAI BATTERY PACKS AT 3WL AND 18WL, S/N 2456 AND 2981. AIRCRAFT RETURNED TO SERVICE. (M)Oct 19, 1995 · N421MQ · Aerosp ATR42300 · Emergency LightingSDR SIMA950942Window Frame · crackedSAT - DURING A 24,000 CYCLE INSPECTION, EDDY CURRENT INSPECTION REVEALED A .25 INCH CRACK IN THE VERTICAL PLANE OF NODE 5 RIGHT WINDOW FRAME. MAINTENANCE BLENDED OUT THE CRACK IAW ATR DRAWING NR 11S53140122. AIRCRAFT WAS RETURNED TO SERVICE. (X)Apr 4, 1995 · N421MQ · Aerosp ATR42300 · Fuselage Miscellaneous StructureSDR SIMA950941Window Frame · crackedSAT - DURING A 24,000 CYCLE INSPECTION, EDDY CURRENT INSPECTION REVEALED A .25 INCH CRACK ON THE VERTICAL PLANE OF THE NODE 5 LEFT WINDOW FRAME. MAINTENANCE BLENDED THE CRACK IAW ATR DRAWING NR 11S53140122. THE AIRCRAFT RETURNED TO SERVICE. (X)Apr 4, 1995 · N421MQ · Aerosp ATR42300 · Fuselage Miscellaneous Structure
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