N421MA

Service difficulty reports · 26

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 = 'N421MA' AND registry_match = 'registration'
  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 JIKA2026070901Hydraulic Line · failedTHE FLIGHT CREW REPORTED THAT THEY EXPERIENCED A LOSS OF HYDRAULIC PRESSURE IN FLIGHT AND THAT AN EMERGENCY LANDING GEAR EXTENSION WAS PERFORMED. THE AIRCRAFT LANDED WITHOUT FURTHER INCIDENT. BUR MAINTENANCE FOUND THE HYDRAULIC LINE TO THE #1 FLAP FAILED AND TJul 6, 2026 · N421MA · Swrngn SA227AC · Hydraulic System, MainSDR JIKA201609060001Governor · leakingTHE PILOT WAS EN-ROUTE AND WAS ACQUIRING TEND MONITORING DATA AND NOTICED THAT THE RT ENGINE HAD EXCESSIVELY HIGH OIL TEMPERATURE. THE PILOT FOLLOWED THE ABNORMAL PROCEDURES CHECKLIST AND PERFORMED AN IN-FLIGHT SHUTDOWN OF THE RT ENGINE. HE RETURNED TO DEPARSep 6, 2016 · N421MA · Swrngn SA227AC · Propeller GovernorSDR JIKA20030005Frame · crackedCRACKS FOUND ON LT AND RT SIDES OF FUSELAGE FRAME, P/N 27-22109-017, DURING LETTER CHECK E AT FS 422.271.Dec 10, 2003 · N421MA · Swrngn SA227AC · Fuselage Main, FrameSDR JIKA20030004Frame · crackedCRACKS FOUND ON LT AND RT SIDES OF FUSELAGE FRAME, DURING LETTER CHECK E AT FS 407.271.Dec 10, 2003 · N421MA · Swrngn SA227AC · Fuselage Main, FrameSDR JIKA200300003Frame · crackedCRACKS FOUND ON LT AND RT SIDES OF FUSELAGE FRAME, P/N 27-22104-046, DURING LETTER CHECK E AT FS 392.271.Dec 9, 2003 · N421MA · Swrngn SA227AC · Fuselage Main, FrameSDR MALA975333Sas Servo · failedFLT 3482 - DURING TAXI, ELEVATOR JAMMED WHILE CREW PERFORMED FLIGHT CONTROL CHECK. TAKEOFF ABORTED. MAINTENANCE REMOVED AND REPLACED SAS SERVO. OPS CHECK GOOD. (M)Feb 26, 1997 · N421MA · Swrngn SA227AC · Stall Warning SystemSDR MALA975315Actuator · failedFLT 3479 - ON APPROACH INTO DTW, RIGHT MAIN GEAR DID NOT INDICATE DOWN AND LOCKED. CREW CYCLED GEAR TWICE AND DID GET DOWN AND LOCKED INDICATION. AIRCRAFT LANDED IN DTW WITH NO INCIDENT. MAINTENANCE REPLACED RIGHT OUTBOARD MAIN LANDING GEAR ACTUATOR. (M)Feb 7, 1997 · N421MA · Swrngn SA227AC · Landing Gear ActuatorSDR MALA975290Downlock Switch · failedFLT 3038 - ON APPROACH INTO STC, GEAR WAS CYCLED SIX TIMES TO GET GREEN DOWN INDICATION ON RIGHT SIDE. MAINTENANCE REPLACED MAIN LANDING GEAR DOWN LOCK SWITCH. (M)Jan 17, 1997 · N421MA · Swrngn SA227AC · Landing Gear Position and WarningSDR MALA965249Rib · chafedDURING A SCHEDULED INSPECTION IN MSP, THE LEFT WS 27 AFT FLAP WELL RIB P/N 27-31080 WAS FOUND CHAFFED BY THE FLAP SWING LINK. BLENDED OUT CHAF DAMAGE AND INSTALLED A REPAIR DOUBLER AS PER EA 01-96132, AND LAR 92-MALA-107. (M)Dec 19, 1996 · N421MA · Swrngn SA227AC · Wing, Rib/BulkheadSDR MALA965116Warning Light · illuminatedFLT 3451 - IN CRUISE FLIGHT TO AZO, THE CABIN DOOR LIGHT ILLUMINATED IN FLIGHT. THE AIRCRAFT DIVERTED TO AZO. MAINTENANCE INSPECTED THE CABIN DOOR SWITCHES AND BAYONETS. NO DISCREPANCIES NOTED. MAINTENANCE WAS UNABLE TO DUPLICATE THE DISCREPANCY. ALL CHECSep 6, 1996 · N421MA · Swrngn SA227AC · Door Warning SystemSDR MALA965114Angle · crackedDURING A SCHEDULED INSPECTION IN MSP, MAINTENANCE FOUND THE RIGHT INBOARD LOWER WING TO NACELLE ATTACH ANGLE CRACKED. COMPLETED REPAIR TO ATTACH ANGLE BY FABRICATING AND INSTALLING REPAIR ANGLE IAW FAIRCHILD ARP 54-20-9101 REV B. (M)Aug 31, 1996 · N421MA · Swrngn SA227AC · Wing Miscellaneous StructureSDR MALA965113Door Frame · damagedDURING A SCHEDULED INSPECTION IN MSP, MAINTENANCE PERFORMED A REPAIR TO THE CARGO DOOR FRAME, P/N 27-22085, AT FS 491.00 BY REMOVING DAMAGED GAS STRUT MOUNT HOLE (1.625 BY 1.825). FABRICATED, PREPPED AND INSTALLED A REPAIR ANGLE, REPAIR PLATE, AND FILLER IAW Aug 31, 1996 · N421MA · Swrngn SA227AC · Fuselage Miscellaneous StructureSDR MALA965112Frame · crackedDURING A SCHEDULED INSPECTION IN MSP, MAINTENANCE FOUND RELIEF RADIUS CRACKED AT LOWER RIGHT SIDE OF BELT FRAME AT FS 147. COMPLETED REPAIR TO BELT FRAME 147 RIGHT SIDE BY STOP DRILLING CRACK, FABRICATING AND INSTALLING REPAIR DOUBLER IAW FAC SRM 53-90-20 PAGAug 31, 1996 · N421MA · Swrngn SA227AC · Fuselage Main, FrameSDR MALA965111Angle · crackedDURING A SCHEDULED INSPECTION IN MSP, MAINTENANCE FOUND THE RIGHT OUTBOARD UPPER WING TO NACELLE ATTACH ANGLE CRACKED IN TWO LOCATIONS. FABRICATED NEW ANGLE USING LIKE MATERIAL AND THICKNESS. INSTALLED ANGLE IAW FAIRCHILD SRM 51-00-00 PAGE 4 'PART FOR PART RAug 31, 1996 · N421MA · Swrngn SA227AC · Wing Miscellaneous StructureSDR MALA965110Rib · crackedDURING A SCHEDULED INSPECTION IN MSP, MAINTENANCE FOUND AT WS 27.03 RIGHT AFT WING RIB TRAILING EDGE (P/N 27-31523), A .25 INCH CRACK. COMPLETED REPAIR PER FAC SRM 57-90-10 PAGES 3-6, REV NOV 1/94 BY INSTALLING A 4 INCH BY 2.5 INCH REPAIR DOUBLER TO AFFECTED Aug 31, 1996 · N421MA · Swrngn SA227AC · Wing, Rib/BulkheadSDR MALA965019Compensator · malfunctionedFLT 3140 - ON CLIMB-OUT FROM DTW, THE SAS FAULT LIGHT ILLUMINATED. THE AIRCRAFT RETURNED TO DTW. MAINTENANCE REPLACED THE SAS FLAP COMPENSATOR AND THE ANNUNCIATOR PANEL. (M)Jun 8, 1996 · N421MA · Swrngn SA227AC · Trailing Edge Flap Control SystemSDR MALA964946Skin · dentedDURING AN INSPECTION IN MSP, FOUND FUSELAGE SKIN DENTED AFT OF CARGO DOOR BETWEEN FS 512 AND FS 530.810, JUST BELOW WL 75. DENTED AREA DIMENSIONS 8 INCHES BY .375 INCHES. FABRICATED A REPAIR DOUBLER (13 INCHES BY 5.25 INCHES ) AND INSTALLED IAW FAIRCHILD SRMApr 12, 1996 · N421MA · Swrngn SA227AC · Fuselage Main, Plate/SkinSDR MALA964945Door Frame · crackedMSP - DURING AN INSPECTION, FOUND AN APPROXIMATE .575 INCH CRACK IN THE CARGO DOOR FRAME PN 27-22085 AT FS 438.060. REPAIRED DAMAGE BY REMOVING DAMAGED GAS STRUT MOUNT HOLE (1.625 INCH BY 1.825 INCH), FABRICATING, TREATING, AND INSTALLING A REPAIR ANGLE, REPAApr 12, 1996 · N421MA · Swrngn SA227AC · Fuselage Miscellaneous StructureSDR MALA964905Switch · dirtyFLT NR 3369 - DURING APPROACH TO DTW, THE NOSE GEAR DOWN AND LOCKED LIGHT DID NOT ILLUMINATE UPON GEAR EXTENSION. THE CREW RECYCLED THE GEAR TWICE AND THE LIGHT ILLUMINATED. THE AIRCRAFT CONTINUED TO DTW AND LANDED WITHOUT INCIDENT. MAINTENANCE PERSONNEL CLMar 8, 1996 · N421MA · Swrngn SA227AC · Landing Gear Position and WarningSDR MALA954755Dnlock Spring · wornFLT NR 3236 - DURING APPROACH TO MSP, THE RIGHT MAIN LANDING GEAR GREEN DOWN AND LOCKED LIGHT DID NOT ILLUMINATE FOR 30 SECONDS AFTER THE GEAR WAS SELECTED DOWN. MAINTENANCE PERSONNEL WERE UNABLE TO DUPLICATE THE DISCREPANCY, BUT REPLACED THE DOWNLOCK SPRINGSDec 15, 1995 · N421MA · Swrngn SA227AC · Landing Gear Retraction/Extension SystemSDR MALA954664Corner · crackedDURING A SCHEDULED INSPECTION IN MSP, MAINTENANCE NOTED A CRACK IN THE PASSENGER DOOR AT THE LEFT CORNER AT THE NUT PLATE FOR THE HAND RAIL BRACKET. REPAIRS WERE COMPLETED BY REPLACING THE CORNER, P/N 27-24044-010 IAW FAC SRM 51-00-00 PG 4 AND 51-40-01. (M)Oct 14, 1995 · N421MA · Swrngn SA227AC · Passenger/Crew DoorsSDR MALA954453Doubler · wornDURING SCHEDULED MAINTENANCE IN MSP, THE RIGHT FLAP WALKING BEAM ROLLER DOUBLER, LOCATED AT WS 27.0 WAS FOUND TO BE WORN. REPAIRS WERE COMPLETED BY REPLACING THE DOUBLER, P/N 27-31141, IAW FAC SRM 57-90-10 PAGES 45 AND 46, AND FAC ARP 57-20-9424. (W)May 14, 1995 · N421MA · Swrngn SA227AC · Wing Miscellaneous StructureSDR MALA954299Wire · defectiveFLT 3065 - DURING THE LANDING ROLL IN DTW, AT APPROXIMATELY 40 KNOTS, THE AIRCRAFT VEERED TO THE RIGHT WITH THE NOSE WHEEL STEERING BUTTON PUSHED. THE AIRCRAFT CONTINUED TO THE GATE. MAINTENANCE REPAIRED A DEFECTIVE WIRING SECTION. SYSTEM OPERATED SATISFACTFeb 7, 1995 · N421MA · Swrngn SA227AC · Landing Gear System WiringSDR MALA954277Servo Valve · failedFLT 3398 - DURING THE LANDING ROLL IN LEX, BELOW 90 KTS, THE AIRCRAFT VEERED TO THE RIGHT. MAINTENANCE REPLACED THE NOSE WHEEL STEERING SERVO. SYSTEM OPERATED SATISFACTORILY. (W)Jan 26, 1995 · N421MA · Swrngn SA227AC · Landing Gear Steering SystemSDR MALA954231Upper Frame · dentedDURING ROUTINE MAINTENANCE IN MSP, MAINTENANCE FOUND THE CARGO DOOR UPPER FRAME DENTED. REMOVED FRAME AND INSTALLED NEW FRAME. WORK COMPLETED IAW FAIRCHILD SRM 51-00-00 PG 4 FOR PART REPLACEMENT. (W)Jan 7, 1995 · N421MA · Swrngn SA227AC · Cargo/Baggage DoorsSDR MALA954229Rpm Gauge · malfunctionedLNK - FLT 3222 - IN CRUISE, THE LT RPM GAUGE BEGAN TO FLUCTUATE. NO OTHER ENGINE FLUCTUATIONS NOTED. THE ACFT RETURNED TO MSP. MAINTENANCE WAS UNABLE TO DUPLICATE THE DISCREPANCY. THE SYSTEM OPERATED SATISFACTORILY DURING A TEST FLIGHT. (W)Jan 5, 1995 · N421MA · Swrngn SA227AC · Engine RPM Indicating System
Back to N421MA