N391CM
Service difficulty reports · 57
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 = 'N391CM' 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.
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 = 'N391CM' AND registry_match = 'registration' ORDER BY difficulty_date DESC
Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
SDR ABXA20261004445Fire Loop · faultedDURING CLIMOUT, STATUS MSG R ENG FIRE LP 1 WOULD NOT CLEAR. AFTER LANDING MAINTENANCE DEFERRED RH ENGINE FIRE LP 1 IAW MEL ABX-26-11-1-1. DI #77566. MBCB 10/14/26. MX PROCEDURES C/W. PLACARD INSTALLED AND FLIPPED TO 120 ETOPS. A/C RELEASED ETOPS 120 OPS ANDSDR ABXA20261002444Controller · faultedDURING TAXI OUT AND ENGINE START, AFT FWD CABIN AND FLIGHT DECK TEMP MESSAGES. AFTER PUSH BACK AND ENGINE START. A/C RETURNED TO GATE (BTB) AND MTX GROUNDED A/C . MTX RESET ZONE TEMP CONTROLLER IAW AMM 21-61-03. MESSAGES CLEARED. OPS CHECK GOOD. A/C OK FOR SERSDR ABXA20260930443Fire Loop · warning messageAFTER DEPARTURE STATUS MESSAGE R ENG FIRE LP 2 DISPLAYED. MTC DEFFERED REC FIRE LP 1 PER MEL 26-11-1-1 MX PROCEDURES C/W PLACARD INSTALLED MBCB 10-10-26 AC RELEASED ETOPS 120 PLACARD ROTATED. A/C RETURNED TO SERVICE.SDR ABXA20260813360Windshield · crackedCAPTAIN`S WINDSCREEN CRACKED IN FLIGHT. CREW COMPLETED AN AIR TURN BACK TO CVG (ATB). REMOVED L1 WINDSHEILD. REPLACED WITH SERV WINDSHEILD. ACCOMPLISHED FIRST TORQUES IAW AMM 56-11-01. A/C RETURNED TO SERVICE.SDR ABXA20260722331Exciter · defectiveON PUSH BACK & START LEFT ENG IGNITOR 1 & 2 FAILED. CREW RETURNED TO THE GATE (BTB). T/S LEFT ENG IGNITION SYS IAW FIM 74-00 F/T 809 AND SSM 74-31-01, REMOVED AND REPLACED LEFT ENG #2 EXCITER BOX PER AMM 74-11-01. SYS CKS NORMAL PER AMM 74-00-00 AUDIBLE TEST VSDR ABXA20260705305Controller · defectiveDURING TAXI OUT LEFT HAND PACK INOP ILLUMINATED. ACFT RETURNED TO THE GATE (BTB) AND MTX GROUNDED A/C. MTX DEFERRED LH PACK IAW MEL ABX-21-51-1-1 AND RETURNED A/C TO SERVICE. NEXT LEG, MTX REPLACED ZONE TEMP CONTROLLER IAW AMM 21-61-03. OPS CHECK GOOD. THIS CLSDR ABXA20260702300Ring · damagedDURING AN A-CHECK EARLIER THIS YEAR, DAMAGE WAS FOUND ON THE AFT CLOSEOUT RING,ON THE #2 ENG OTBD T/R (P/N 683L181G06, S/N R648-631). THE DAMAGE WAS DEFERRED PER REF /A/ TO EITHER REPAIR THE DAMAGE OR REPLACE THE T/R AT THE NEXT C-CHK. THE AIRCRAFT IS CURRENSDR ABXA20260318114Warning Message · false activationDURING TAXI OUT, AFTER BLOCK OUT THE RAT UNLOCKED MESAGE ON EICAS. A/C RETURNED TO BLOCKS (BTB). DEPLOYED AND RESTOWED RAT IAW B767 AMM 29-21-00. MESSAGE CLEARED. NO FAULTS PRESENT AT THIS TIME. RAT GUARD RESECURED. A/C RETURNED TO SERVICE.SDR ABXA20260315103Pitot Tube · defectiveDURING TAXI OUT, F/O PITOT EICAS MSG AFTER RIGHT ENG START. A/C RETURNED TO GATE (BTB). MTX GROUNDED A/C. MTX REMOVED AND REPLACED R/H UPPER PITOT PROBE WITH A NEW QICK DISCONNECT PITOT PROBE IAW B767 AMM 34-11-01. PITOT HEAT TEST SWITCH CHECK GOOD. NO MAINSDR ABXA20260216066Lock · installedPER MXC, A/C BACK TO GATE (BTB) TO REMOVE CENTER WING LOCK INSTALLED ON L/P 39114-88/1 (LOADING CREW REPORTED CTR WING LOCK MISSING RT MCD STA 1490, BL0). REMOVED PREVIOUSLY INSTALLED CENTER WING LOCK AT STA 1490, BL 0 PER IAI CMM -50-20-21 AND ABX CLS B767 MSDR ABXA20260127029Oil Filter · faultedDURING TAXI OUT RIGHT OIL FILTER MSG APPEARED, ACFT RETURNED TO GATE (BTB) AND MTX GROUNDED ACFT. REMOVED AND REPLACED THE RT ENG OIL FILTER DIFFERENTIAL PRESSURE SWITCH AND SCAV ENGINE OIL FILTER IAW AMM 79-35-01, & 79-21-04. OPS CHECKED GOOD. ACFT RELEASSDR ABXA20260106003Blower · defectiveDURING MAINT. INSP. CARGO DET AIR STATUS MSG DISPLAYED AFTER PNEUMATICS ON. DEFERRED IAW MEL 26-14-1. C/W MEL MTC PROCEDURE 26-14-1. REPETATIVE INSPECTION IAW MEL MTC PROCEDURE 26-14-1 REQUIRED W/ LOG ENTRY PRIOR TO EACH DEPARTURE. CODE 11. MBCB 1/16/25 A/C RSDR ABXA202511143299Smoke Detector · inoperativeON PRE-FLIGHT CHECK, FOUND MAIN CARGO SMOKE DETECTOR 3A INOP. REMOVED AND REPLACED MAIN CARGO SMOKE DETECTOR 3A PER MM 26-14-01-OPS CHKD OK. A/C REMAINS ETOPS 180. AIRCRAFT RETURNED TO SERVICE.SDR ABXA20250919233A/C Pack · inoperativeRT PACK INOP AT PUSH BACK. AIRCRAFT RETURNED TO BLOCKS (BTB). MAINTENANCE DEFERRED RT PACK IAW ABX-21-51-1-1. A/C RETURNED TO SERVICE.SDR ABXA20250913226Extinguisher · low pressureDURING SERVICE CHECK FOUND COCKPIT PORTABLE FIRE EXTINGUISHER GETTING LOW REMOVED AND REPLACED PORTABLE FIRE EXTINGUISHER IAW B767 AMM 26-26-02-024-015-001/26-26-02-434-020-001. RETURNED AC TO SERVICE.SDR ABXA20250829201Warning Light · illuminatedDURING TAXI, MAIN CARGO DOOR LIGHT ILLUMINATED WHILE STARTING ENGINES. AIRCRAFT RETURNED TO BLOCKS. (BTB) MAINTENANCE DEFERRED IAW MEL C ABX-52-32-1-3. AIRCRAFT RETURNED TO SERVICESDR ABXA20250815176Door · not closedDURING TAXI AFTER LEFT ENGINE START MASTER WARNING & MAIN CARGO DOOR LIGHT ILLUMINATED. A/C RETURNED TO THE GATE (BTB) AND MTX GROUNDED AC. FOUND MAIN CARGO DOOR WAS NOT COMPLETELY CLOSED CLOSED DOOR REMAINDER OF THE WAY LIGHT EXTINGUISHED IAW B767 AMM 52-32-SDR ABXA20250524102Fire Detector · shortedLEFT ENGINE FIRE WARNING DURING TAXI OUT, A/C RETURNED TO GATE (BTB) AND MTX GROUNDED A/C. MTX TROUBLE SHOT AND REMOVED AND REPLACED AFT LOWER AND UPPER FIRE LOOPS ON #1 ENGINE AS PER AMM 26-11-02, SYSTEM CHECKS GOOD, GROUND ENGINE CHECKS GOOD, AIRCRAFT RELEASSDR ABXA20250417080Warning Message · illuminatedDURING TAXI OUT, LT PACK TEMP CAUTION ON PACK. AIRCRAFT RETURNED TO BLOCKS. (BTB) DEFERRED LT PACK IAW MEL ABX 21-51-1-1. MAINTENANCE PROCEDURES C/W. AIRCRAFT RELEASED NO ETOPS. MBCB: 4/27/25. AIRCRAFT RETURNED TO SERVICE.SDR ABXA202501274022Starter · malfunctionedDURING TAXI WHILE STARTING #2 ENGINE EGT EXCEEDANCE OF 750 DEGREES DURING START WITH START SELECTOR IN BOTH, A/C RETURNED TO THE GATE (BTB) AND MTX GROUNDED AC . MTX PERFORMED VISUAL INSPECTION ON #2 ENGINE, NO DISCREPANCIES OR DAMAGE FOUND AND USED FIM (71-11SDR ABXA20241211252Starter · failedON TAXI OUT DURING LH ENGINE START LEFT ENGINE WOULD NOT START AC RETURNED TO GATE (BTB) AND MTX GROUNDED AC . MTX PERFORMED ENGINE START AF #1 ENGINE IAW 71-00-00. NO DEFECTS NOTED A/C REMAINS ETOPS 180 AC RETURNED TO SERVICESDR ABXA20241202240Transponder · faultedDURING TAXI OUT ATC WAS UNABLE TO RECEIVE TRANSPONDER . AC RETURNED TO THE GATE (BTB) AND MTX GROUNDED AC . MTX PERFORMED A SYSTEM TEST OF THE TCAS SYSTEM AND ATC WAS ABLE TO PICK UP THE IDENT, IAW B 767 AMM 34-45-00. NO FURTHER DEFECTS NOTETED . MTX RETURNED SDR ABXA20240723143Computer · malfunctionedDURING TAXI OUT ELEVATOR FEEL STATIS MESSAGE CAME ON ONCE HYDRAULIC PUMP TURNED ON . A/C RETURNED TO THE GATE AND MTX GROUNDED A/C . TROUBLE SHOT AND REMOVED AND REPLACED ELEVATOR FEEL COMPUTER IAW B767 AMM 27-31-19 OPS CHECK GOOD , MTX RETURNED A/C TO SERVISDR ABXA20240612112Iru · faultedDURING TAXI SPLIT IRS OPERATION (LEFT IRU , ILLUM. AC RETURED TO GATE AND MAINTENANCE GROUNDED AC .AND DEFERRED LH IRU IAW ABX-MEL 34-21-1-1-2A AND RETURNED AC TO SERVICE ,AC DEPARTED.SDR ABXA2024032766Shutoff Valve · inoperativeRT ENGINE HPSOV MSG DURING CRUISE FLIGHT. (REASON FOR DIVERSION TO IND: HPSOV MESSAGE (NO ICING)- ICING AT CVG/JFK) ACCOMPLISHED THUMB TEST ON HPSOV FROM CONTROLLER SIDE OF SENSE LINE, NO FAULTS PRESENT. REPLACED HPSOV IAW B767 AMM 36-11-07 AND RH BLEED CONTROSDR ABXA2024031156Plug · installedDURING PUSH BACK ,L ENG HPSOV EICAS STATUS MESSAGE L ENG BLEED LIGHT, L+R DUCT LEAK LIGHTS ALL ILLUMINATED AFTER ENGINE WERE STARTED PACKS + BLEEDS TURNED OFF PER QRH + LIGHTS STAYED ILLUMINATED ENGINES SHUT.AC RETURNED TO GATE AND MAINTENANCE GROUNDED AC , TSDR ABXA20231129217Unknown · unknown" LOCK AT STATION 1190,RBL 33.00, MISSING ROLLER, POSITION LIMITED TO D11 7299 AND POS D12 6987 DEFERRED LOCK IAW MEL ABX-25-58-1A . AC LEFT BLOCKS AND WAS CALLED BACK FOR PAPERWORK ISSUES. CORRECTED PAPERWORK AND AC RETURNED TO SERVICE .SDR ABXA20230612116Solenoid · defectiveUPON INIATING THE START OF THE RIGHT ENGINE, THE RT ENGINE FUEL VALVE LIGHT ILLUMINATED AT APPROXIMATELY PASSING 10%. DISCONTINUED START. FUEL CONTROL SWITCH NEVER LEFT CUTOFF. POS. AIRCRAFT BACK TO BLOCK AND GROUNDED BY MAINTENANCE. MAINTENANCE RAN #2 ENGINE SDR ABXA2023032337Unknown · unknownCAPTAIN ALTIMETER OFF FLAG APPEARED DURING TAXI. AIRCRAFT BACK TO BLOCK AND GROUNDED BY MAINTENANCE. MAINTENANCE REMOVED AND RESEATED CAPT ALTIMETER CANNON PLUG OPS NORMAL OF CAPT ALTIMETER PER B767 AMM 34-13-01 NO DEFECTS AC IS RVSM COMPLIANT. AIRCRAFT RETURNSDR ABXA2022128149None · noneRABBIT STRIKE ON T/O ABORTED 120KTS. AIRCRFT BACK TO BLOCK AND GROUNDED BY MAINTENANCE. INSPECTION C/O IAW AMM 05-41-01 NO DEBRIS FOUND, NO DAMAGE. SATISFACTORY. AIRCRAFT RETURNED TO SERVICESDR ABXA20221028120Control Module · faultyDURING TAXI OUT STAB TRIM CAUTION MSG AND STAB TRIM STATUS MSG CAME ON. AIRCRAFT BACK TO BLOCK AND MESSAGES DISAPPEARED AFTER LEFT ENGINE WAS SHUTDOWN. AIRCRAFT GROUNDED BY MAINTENANCE. MAINTENANCE PERF MCDP TEST 65 TEST PASSED. PERF MCDP 30/40 FAULT RETURNEDSDR ABXA20221015114None · noneDURING AICRAFT PUSHBACK A HYDRAULIC LEAK WAS NOTICED OVER RIGHT MAIN GEAR. AIRCRAFT BACK TO BLOCK AND GROUNDED BY MAINTENANCE. MAINTENANCE FOUND "O" RING LEAKING ON ANTISKID VALVE. MAINTENANCE REMOVED AND REPLACED O-RING ON ANTISKID VALVE IAW AMM 20-10-19 SDR ABXA20220925101Unknown · unknownAIRCRAFT OVERBURNED BY 4000+ LBS ENROUTE.AIRCRAFT DIVERTED TO BOS. AIRCRAFT WAS GROUNDED BY MAINTENANCE. MAINTENANCE PERFORMED VISUAL INSPT, NO LEAKS. COMPLIED WITH FUEL QUANTITY BITE TEST PER FIM 28-41 FAULT TREE 841. AIRCRAFT RELEASED NO ETOPS, BITE TEST GOOSDR MK1Y20220429025Thrust Reverser · corrodedENG #1 , R/H SIDE, THRUST REVERSER - BEAVERTAIL, NAC STA 232; DURING MAINTENANCE INSPECTION AT IAI, AN EXISTING DEEP CORROSION DAMAGE WAS FOUND ON THE THRUST REVERSER - BEAVERTAIL.SDR MK1Y20220429024Repair · discoveredLEADING EDGE SKIN, RIGHT HORIZONTAL STABILIZER, LES 342.677 TO 346.177 AND LES 401.577 TO 405.07: DURING CONVERSION PROCESS, DISCOVERED (2 EA) EXISTING (UNDOCUMENTED 3.5” DIAMSDR MK1Y20220429023None · noneDURING MAINTENANCE INSPECTION AT IAI, UNDOCUMENTED WELDING PATCH REPAIR WAS FOUND ON ENG #2 EXHAUST EXTERNAL SKIN AT 8 O’CLOCK BETWEEN NAC STA 318 TO 320. THE PATCH DIAMETER WAS MEASURED AND FOUND 2.3”.SDR MK1Y20220429022Skin · dentedDURING MAINTENANCE INSPECTION AT IAI, DOCUMENTED DENT (CUSTOMER FAIL NO: 81-78-ET148) WAS FOUND ON ENG #1 EXHAUST EXTERNAL SKIN BETWEEN 8 TO 9 O’CLOCK AT NAC STA 348.246. THE DENT WAS MEASURED AND FOUND BEYOND SRM 54-42-30 ALLOWABLE DAMAGE 1 NOTE “N” LIMITS.SDR MK1Y20220429021Acoustic Panel · dentedDURING MAINTENANCE INSPECTION AT IAI, TWO (2) ADJACENT DENTS WERE FOUND ON ENG #2 INLET COWL ACOUSTIC PANEL PERFORATED SKIN BETWEEN 8 TO 9 O’CLOCK.SDR MK1Y20220429020Skin · stuckSTA 1542 STR-39L, STA1461 STR-38L, STA1654.5 STR-36R, STA 1197+110 STR-36R: DURING MAINTENANCE INSPECTION MULTIPLE LIGHTNING STRIKES WERE FOUND ON EXTERNAL FUSELAGE SKINS AT DATUM LOCATIONS. THE DAMAGES WERE BLENDED OUT AS REQUIRED, AND NDT HAS PERFORMED REMAISDR MK1Y20220429019Skin · inadequate: FUSELAGE SKIN BETWEEN STA 246 AND STA 266.5 AND BETWEEN STR 25L AND STR 28L: DURING CONVERSION AT IAI, SHOP FOUND AN EXISTING REPAIR IN FUSELAGE SKIN AT STA 250, S-26L, COMMON TO LAP SPLICE AND 4 INCHES AWAY FROM BUTT SPLICE. EXISTING REPAIR SIZE: 6.0” X 4.0SDR MK1Y20220429018Acoustic Panel · dentedENGINE # 2, INLET COWL ACOUSTIC PANEL, PERFORATED SKIN: DURING MAINTENANCE INSPECTION AT IAI, DENT WAS FOUND WITH NICK ON THE INNER BARREL ACOUSTIC PANEL OF INLET COWL #2 ENG LOCATED AT 3 TO 4 CLOCKWISE AND 4” FROM EDGE PANEL.SDR MK1Y20220429017Fairing · inadequateENGINE #2, OUTBD & INBD THRUST REVERSERS, UPPER AND LOWER FAIRINGS, EXISTING REPAIRS:
DURING MAINTENANCE INSPECTION AT IAI, SEVERAL EXISTING UNDOCUMENTED REPAIRS WERE FOUND ON BOTH THRUST REVERSERS INSTALLED ON ENGINE # 2.
IAI NRC: M0203 L/H STA 206.5-210.5;SDR MK1Y20220429016Thrust Reverser · damagedENGINE # 2, OUTBD THRUST REVERSER, NAC STA 249.5, 5 O’CLOCK: DURING MAINTENANCE INSPECTION AT IAI, AN EXISTING EDGE REPAIR WAS FOUND, ON THE AFT EDGE OF THE DATUM THRUST REVERSER.SDR MK1Y20220429015Cowling · inadequateENGINE #2, OUTBD & INBD CORE COWLS, EXISTING REPAIRS: DURING MAINTENANCE INSPECTION AT IAI, THERE UNDOCUMENTED REPAIRS WERE FOUND. ALL REPAIRS WERE REMOVED AND THE AREAS WERE INSPECTED.STA 246 TO STA 251 12" O'CLOCK ; NAS STA 299.7 TO STA 304.5 BT 2-3 CLOCWISESDR MK1Y20220429014Cowling · inadequateENGINE #1, INBD CORE COWL, EXISTING REPAIR:
DURING MAINTENANCE INSPECTION AT IAI, AN EXISTING UNDOCUMENTED REPAIR WAS FOUND. THE REPAIR WAS REMOVED AND AREA WAS INSPECTED.SDR MK1Y20220429013Skin · inadequateSTA 1870.45 – STA 1875.45, 16 INCH LEFT FROM BL 0.0:
DURING MAINTENANCE INSPECTION AT IAI, AN EXISTING UNDOCUMENTED REPAIR WAS FOUND ON THE EXTERNAL FUSELAGE SKIN AT DATUM LOCATION. SEE RFTA 02815-0227 FOR MORE INFORMATION.SDR MK1Y20220429012Fairing · inadequateENGINE # 1, OUTBD & INB THRUST REVERSERS, UPPER & LOWER FAIRINGS:
DURING MAINTENANCE INSPECTION AT IAI, MULTIPLE EXISTING UNDOCUMENTED REPAIRS WERE FOUND ON THE UPPER AND LOWER FAIRINGS OF BOTH THRUST REVERSERS.SDR MK1Y20220429011None · noneEXTERNAL FUSELAGE SKINS, STA 390, STR-24R; STA 396, STR-22R; STA 1420, STR-31L – STR-32L; STA 1351, STR-31R: DURING MAINTENANCE INSPECTION AT IAI, A FEW BLENED OUTS WERE FOUND ON FUSELAGE SKINS 141T3330, 146T3230, 146T3530 AT LOCATIONS AS MENTIONED ABOVE. SEE SDR MK1Y20220429009None · noneTAILCONE ASSY, STA 1943.50 TO STA 1952.00: DURING MAINTENANCE INSPECTION MULTIPLE LIGHTING STRIKES WERE FOUND ON TAILCONE ASSY 148T8301-1 (148T8301-1 7 -2 SKINS). THE DAMAGES WERE BLENDED OUT AS REQUIRED, AND NDT HAS PERFORMED REMAINING MATERIAL THICKNESS AND SDR MK1Y20220429008None · noneL/H WING, OUTBD TRAILING EDGE FLAP (P/N: 113T3100-95G, S/N: 000251): DURING MAINTENANCE INSPECTION AT IAI, AN UNDOCUMENTED REPAIR WITH LIGHT CORROSION WAS FOUND ON THE LOWER SKIN PANEL OF THE FLAP AT APPROXIMATELY OTEF 300.88. AFTER THE REPAIR WAS DIMANTLED, A
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