JASC 3460

Service difficulty reports · 4,692

Reports filed under 3460 · Flight Management Computing Hardware System, 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 jasc_code = '3460'
  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 ASAA2023082644832Unknown · wornRUBBER COATING ON L2 AND L6 BUTTONS WORN OFF ON LEFT FMS. GROUNDED - YES. REF. MM 34-61-01, REMOVED/REPLACED CAPT'S FMC CDU KEYBOARD. OPS NML REF. SAME MM. 2 EA MIG 51A TAGS INSTALLED/RMVD. THIS CLEARS MEL 34-36LPLC C/N 25068467 RMVD. SEAMC NOT. ASHRF.Aug 26, 2023 · N467AS · Boeing 737990ERSDR ASAA2023082644786Unknown · unknownAFTER LANDING LEFT FMC FAILED AND RECOVERED MULTIPLE TIMES. GROUNDED - YES. PERFORMED FMC BITE PROCEDURE FOUND FAULT FMC-L PGM FAULT AS PER FIM 34-61 TASK 801, PERFORMED FIM FMC HARDWARE/SOFTWARE FAULTS-FAULT ISOLATION, OPENED C/B A6 AT P18-2 (FMCS CMPTR-1) ANAug 26, 2023 · N492AS · Boeing 737990ERSDR ASAA2023082444785Unknown · unknownON GRD DURING PREFLIGHT OBSERVED "FMC DISAGREE" ON BOTH NAV DISPLAYS. GROUNDED - YES. QRH "FMC DISAGREE" ON THE GRD PROCEEDURE ACCOMPLISHED. RESTORED NORMAL FMC OPS.Aug 24, 2023 · N291BT · Boeing 7379SDR YENA2023082400995Fmc · failedFLT#1408, CDG-JFK. (ETOPS) (AIRCRAFT DIVERTED TO LHR) 'FLIGHT MANAGEMENT COMPUTERS GIVING ERRONEOUS INFORMATION IN FLIGHT. BOTH COMPUTERS WERE HAVING FLUCTUATIONS IN BOTH TIMES TO FIXES AND DISTANCES. DESTINATION DISTANCES RANGED FROM 3000 MILES TO 9999 MILES.Aug 24, 2023 · N4022J · Airbus A321271NSDR ASAA2023082244739Unknown · unknownPRIOR TAXI WE RECEIVED AN FMC DISAGREE . GROUNDED - YES. COMPLETED FMC DISAGREE QRH PROCEDURE WHICH RESOLVED THE FMC DISAGREE.Aug 22, 2023 · N491AS · Boeing 737990ERSDR ASAA2023082244737Unknown · unknownFMC DISAGREE MSG ON BOTH NAV DISPLAYS. GROUNDED - YES. REF IFIM TASK 34-61-00-810-918. RESET FMC COMPUTER C/B #1 AND #2. FMC OPS RESTORED SEAMC RON.Aug 22, 2023 · N982AK · Boeing 7379SDR ASAA2023082144708Unknown · unknownVTK DISPLAYED ON FO'S ND. SINGLE FMC OPERATIONS DISPLYED ON FMC SCRATCH PAD. COMPLIED WITH QRH PROCEDURE. GROUNDED - YES. VERIFIED FAULT R/H FMC INOP. CYCLED 2 C/B'S R/H FMC OPS NML. LAST FLT SHOWS 4 PG'S OF STEADY FAULTS. ACCOMP. FMC SENSOR TEST BOTH FMC SHOWAug 21, 2023 · N419AS · Boeing 737990ERSDR ASAA2023082144707Unknown · unknownFMC DATA LINK FAIL. GROUNDED - YES. CYCLED POWER TO FMC 1 + 2 AND ACARS CMU. CPDLC OPERATION RESTORED AND OBSERVED LOG-ON. ACCOMPLISHED ACARS OPERATIONAL TEST AND SOFTWARE CONFIGURATION CHECKS PER AMM 23-27-00 AND 34-61-00. NO HISTORY PAST 30 DAYS. ETOPS GROUNAug 21, 2023 · N589AS · Boeing 737890SDR IPXA2023082060424Cdu · inoperativeDURING CRUISE FL 350 EXPERIENCED FAILURE OF F/O'S FMC UNIT, ALONG WITH STRONG ACRID ELECTRICAL ODAR IN COCKPIT DECLARED EMERGENCY DIVERTED TO CARDIFF REMOVED AND REPLACED F/O'S CDU IAW AMM 34-61-02/401. OPS CHECKS OK.Aug 20, 2023 · N329UP · Boeing 76734AFSDR ASAA2023081944682Unknown · unknownINTERMITTENT FMC FAILURE ON CAPTAINS FMC. GROUNDED - YES. PERFORMED B737-800 FIM 34-61 TASK 801, LEFT FMC LOGGED PGM FAULT. ACCOMPLISHED FIM 34-61 TASK 807, FAULT NO LONGER PRESENT. SYS OPS CKS NORMAL.Aug 19, 2023 · N519AS · Boeing 737890SDR ASAA2023081844684Display · faultyFO'S MCDU DISPLAY INTERMITTENTLYY LOSING INDIVIDUAL CHARACTERS ON BOTH FMC AND ACARS PAGES. GROUNDED - YES. RELEASED PER MEL 34-36L, FO MCDU INOP. SEAMC ARNIE NOTIFIED @ 2105Z. REMOVED AND REPLACED FO MCDU AND PERFORMED GOOD ISNTALLATION TEST, THIS CLEARS MEL Aug 18, 2023 · N486AS · Boeing 737990ERSDR ASAA2023081844683Unknown · unknownFMC DISAGREE. GROUNDED - YES. RESET PER QRH SUCCESSFUL.Aug 18, 2023 · N921AK · Boeing 7379SDR ASAA2023081744657Unknown · unknownWHEN POWER TRANSFERED FROM GROUND POWER TO APU CAPTAINS FMC BLANKS FOR 5 SECONDS. GROUNDED - YES. PERFORMED FIM 34-61 ASK 804, FMCS BITE PER FIM 34-61 TASK 801, NO FAULTS. RAN APU, CYCLED BETWEEN GND/APU BUSSES 6X. NO DISCREPANCIES NOTED.Aug 17, 2023 · N597AS · Boeing 737890SDR ASAA2023081744656Display · inoperativeCA FMS DOES NOT TURN ON. GROUNDED - YES. #1 MCDU WOULD NOT COME ON WITH CB RESET OR CYCLE OF SHIP POWER. KEYPAD COMPLETLEY UNRESPONSIVE. REMOVED & REPLACED #1 MCDU PER AMM TASK 34-61-01/401. OPS CHECK GOOD. ALL APPLICABLE LLM TESTS PASS. PLACARDS REMOVED. CLEAAug 17, 2023 · N419AS · Boeing 737990ERSDR 2023F00255Unknown · unknownINFLIGHT WE LOS FMA INDICATION + RTE 1&2 ON CDU. CORRECTIVE ACTION LRU: CLEANING FMC#1, FMC#2, CDU#1, CDU#2 IAW AMM 20-60-06. PERFORMED FIM 34-61 FAULT TREE 857 854 ON GROUND SYSTEM OK.Aug 16, 2023 · Boeing 7673S1SDR ASAA2023081644655Unknown · unknownRIGHT FMC DISPLAY BEGAN TO FAIL IN FLIGHT. MOSTLY THE TOP FOUR LINES OF TEXT/NUMBERS, BUT OCCASIONALLY THE BLINKING FAILURE WOULD TEXTEND TO LOWER TEXT LINES. ATTEMPTED TO ADJUST BRIGHTNESS OR CHANGE PAGES. NOT SUCCESSFUL. GROUNDED - YES. CHECKED RIGHT MCDU, OAug 16, 2023 · N486AS · Boeing 737990ERSDR ASAA2023081544615Unknown · unknownFMC DISAGREE. GROUNDED - YES. PERFORMED IFIM 34-61-00-810-918, AC OKAY OKAY FOR CONTINUED FLIGHT.Aug 15, 2023 · N984AK · Boeing 7379SDR ASAA2023081444596Unknown · unknownFMC DISAGREE GROUNDED - YES. PERFORMED CIRCUIT BREAKER RESET PER QRH, FAULT CLEARED, REF GPM 05-00-11.Aug 14, 2023 · N941AK · Boeing 7379SDR ASAA2023081444595Unknown · unknownFMC DISAGREE MESSAGE DIDPLAYED, IT DISAPPEARED AFTER SWITCHING FROM GPU TO APU POWER. GROUNDED - YES. PERFORMED FMC DISAGREE FAULT ISOLATION PER IFIM 34-61-00-810-918, OPS CHECK GOOD, FMC DISAGREE MESSAGE EXTINGUISHED.Aug 14, 2023 · N936AK · Boeing 7379SDR ASAA2023081344569Unknown · unknownVTK DISPLAYED ON CAPTAIN'S NAVIGATION DISPLAY WITH LOSS OF FMC DATA ON CAPTAIN'S CDU. MAP WAS NOT DISPLAYED. AFTER 1 MINUTE NORMAL OPERATION ON CAPTAINS NAV DISPLAY AND CDU WAS RESTORED. LOSS OF FMC DATA ONLY ON CAPTAIN'S CDU. GROUNDED - YES. PERFORMED FMCS OPAug 13, 2023 · N492AS · Boeing 737990ERSDR ASAA2023081244568Unknown · unknownLEFT FMC DISAGRRE (VTK ON LEFT MAP) FOLLOWED BY RESTORITION UNTIL 1 MINUTE. GROUNDED - YES. REF ILIM 34-61-00-810-918, OMF NO FAULTS, OPS GOOD, NO HISTORY 60 DAYS.Aug 12, 2023 · N934AK · Boeing 7379SDR ASAA2023081244567Fmc · faultyLEFT FMC FAILED FOR APPROXIMATELY 20 SECONDS. VTK DISPLAYED ON CA ND. LFMC RETURNED TO NORMAL OPERATION. CRUISE FL360 NEAR KCOD. GROUNDED - YES. VERIFIED L/H FMC FAIL PREVIOUS FLTS. R/H FMC RECENTLY REPLACED WITH P/N: 171497-05-01. L/H FMC FAILURES BEGAN AFTERAug 12, 2023 · N529AS · Boeing 737890SDR ASAA2023081244565Unknown · unknownIN CRUISE AT FL 350 OBSERVED DUAL FMC FAILURE WITH BOTH MCDUS ON MENU PAGE WITH FMC LINE BLANK, BLANKING OF NAV DISPLAYS, BOTH VTK ILUMINATED. FMC'S SELF RECOVERED AFTER APROX. 1 OR 2 MINUTES. GROUNDED - YES. UPON ARRIVAL BOTH FMCS OPERATE NORMALLY, PERFORMED Aug 12, 2023 · N924AK · Boeing 7379SDR ASAA2023081144566Unknown · unknownPRIOR TO TAKEOFF, FMC DISAGREE MSG ON BOTH FMCS + MAP DISPLAYS. GROUNDED - YES. AS PER CHECKLIST, RESET FMCS CMPTR 1 AND FMCS CMPTR 2 CBS. MSG NO LONGER DISPLAYED.Aug 11, 2023 · N431AS · Boeing 737990ERSDR ASAA2023081144564Unknown · unknownWHILE AT CRUISE, LEFT FMC WENT BLANK. APPEARED TO RE-BOOT ITSELF AND FUNCTIONED NORMALLY. GROUNDED - YES. ACCOMPLISHED BITE OF LEFT FMC REF FIM 34-61 TASK 801 LEGS G,1,2 FAULTED CDU-L. ALL SENSOR TESTS PASSED FOR LEFT FMC. ACCOMPLISHED CDS BITE NO EXISTING FAUAug 11, 2023 · N419AS · Boeing 737990ERSDR ASAA2023081144563Unknown · unknownWHILE AT CRUISE, LEFT MCDU WENT BLANK AND APPEARED TO PERFORM REPEATED REBOOTS / BIT TESTS. AFTER SEVERAL MINUTES IT RETURNED TO NORMAL OPERATION. GROUNDED - YES. PERFORMED FIM TEST 34-61 TASK 836. BOTH FMC'S AND MCDU'S WORK NORMALLY NOTIFIED SEAMC JEFF.NON ASAug 11, 2023 · N419AS · Boeing 737990ERSDR ASAA2023081044520Unknown · unknownAFTER LANDING ON TAXI IN, BOTH FMCS DROPPED OF CDU SCREEN. VTK DISPLAYED ON CAPT ND. AFTER ABOUT 10 SECONDS, BOTH FMCS RESTORED TO NORMAL OPERATION. GROUNDED - YES. ACCOMPLISHED B737-900 FIM 34-61 TASK 836, MENU PAGE SHOWS ON LH FMC. FMC OPERATES NORMAL.Aug 10, 2023 · N413AS · Boeing 737990ERSDR ASAA2023080944518Unknown · unknownLEVEL AT FL350 LEFT FMC FAILED WITH AUTO RECOVERY. GROUNDED - YES. REF RESET FMC PER FIM 34-61-TASK 836 FMC OPS NORMAL. SEAMC STEVE NOTIFIEDNON ASA#YUJR093Y.Aug 9, 2023 · N533AS · Boeing 737890SDR ASAA2023080944499Unknown · unknownDURING PREFLIGHT GOT "VTK" AND "MAP" FLAGS ON F.O. NAV DISPLAY. GROUNDED - YES. ACCOMPLISHED IFIM TASK 31-00-00-810-803 RESET FMC'S CMPTR C/B NO ACTIVED FAULTS STATUS MESSAGES CLEARED. 'VTK AND MAP' NO SHOWING ON F.O. NAV DISPLAY, NO FAULTS NOTED.Aug 9, 2023 · N915AK · Boeing 7379SDR ASAA2023080744459Unknown · unknownFMC DISAGREE - GROUNDED - YES. PERFORMED QRH LIGHT WENT OUT.Aug 7, 2023 · N409AS · Boeing 737990ERSDR ASAA2023080644460Fmc · faultyON T/O L FMC SEQENCED TO NEXT WAY POINT ON DEPARTURE. GROUNDED - YES. (RESOLVED ON W/O: 1964758 TASKCARD: N/R-00002 ) THE MEL IS ACTUALLY 34-36J, REMOVED AND REPLACED LH FMC COMPUTER IAW AMM 34-61-02-000-801 AND 34-61-02-400-801, ETOPS GROUND FUNCTIONAL OPS CHAug 6, 2023 · N479AS · Boeing 737990ERSDR ASAA2023080644462Unknown · unknownAFTER CROSSING EEP CAPT FMC FAILED. GROUNDED - YES. ACCOMPISHED FMC RESET PROCEDURE PER AMM. REF 34-61-00-710-801.BOTH FMC'S OPS CHECK NORMAL A/C OKAY FOR SERVICESEAMC: MARK NOTIFIED.Aug 6, 2023 · N968AK · Boeing 7379SDR ASAA2023080644461Unknown · unknownCAPT FMC FAIL, COMPLIED WITH QRH, DID NOT RESOLVE FAILURE. GROUNDED - YES. ACCOMP FIM TASK 34-61 #836 SYS RESTORED. OPS CKS NML PER 34-61-00, GND VERIFICATION SUCCESSFUL. SEAMC FELIX NOTIFIED.Aug 6, 2023 · N479AS · Boeing 737990ERSDR ASAA2023080644438Unknown · unknownRIGHT FMC "L1" BUTTON INTERMITTENT. GROUNDED - YES. CLEANED RIGHT FMC L1 BUTTON WITH CONTACT CLEANER CHECKED NORMAL PER AMM 34-61-01.Aug 6, 2023 · N517AS · Boeing 737890SDR ASAA2023080544442Unknown · unknownLEFT FMC FAIL. GROUNDED - YES. PERFORMED FMC CB RESET PER FIM 34-61 TASK 836 OPS CHECK NML.Aug 5, 2023 · N428AS · Boeing 737990ERSDR ASAA2023080544437Unknown · unknownFMS DISAGREE AMBER MESSAGE DISPLAYED ON BOTH NAV DISPLAYS FROM INTIAL CLIMB TO FL250 THEN DISAPPEARED. AFTER IT DISAPPEARED THERE IS STILL MISSING INFO ON THE FO NAV DISPLAY SICH AS CROSSING TIME TO NEXT FIT. GROUNDED - YES. PERFORMED FIM 34-61 TASK 835, FOUNDAug 5, 2023 · N592AS · Boeing 737890SDR ASAA2023080444443Unknown · unknownCAPT LEFT FMC FAILURE, ACCOMPLISHED FMC FAIL CHECKLIST, NO VTK ONLY MAP. GROUNDED - YES. PERFORMED IFIM TASK 34-61-00-810-846, INTERMITANT FAULT, OPS CHECK NORMAL.Aug 4, 2023 · N919AK · Boeing 7379SDR ASAA2023080444439Unknown · unknownFMC DISAGREE ON BOTH NAV DISPLAY. GROUNDED - YES. RECYCLED C/B'S FOR FMC'S PER IFIM 34-61-00-810-924; RESETED TO NORMAL. PERFORMED FMC OPERATIONAL TEST NORMAL. REF AMM 34-61-00-710-801.Aug 4, 2023 · N926AK · Boeing 7379SDR ASAA2023080344398Unknown · unknownFMC DISAGREE LT ON BOTH PFD'S. GROUNDED - YES. FMC DISAGREE NO LONGER PRESENT, FMC OPS NORMAL REF IFIM 34-61-00-810-918, NO HISTORY PAST 30 DAYS.Aug 3, 2023 · N971AK · Boeing 7379SDR FDEA202308031349Display · burnedLOUD POP FOLLOWED BY BURNT ELECTRICAL SMELL WHEN F/O S MCDU FAILED. CIRCUIT BREAKER ALSO POPPED. R&R FO'S FMC CDU IAW ABOVE REFERENCE, ALL CKS GOOD. AC OK TO CONTINUE.Aug 3, 2023 · N279FE · Boeing 767300SDR ASAA2023080244399Unknown · unknownEARLY IN TAKEOFF ROLL LNAV &VNAV DISCONNECTED. BOTH WERE RE-ENGAGED AT ABOUT 500FT AND WORKED NORMALLY FOR REMAINDER OF FLIGHT. GROUNDED - YES. PERFORMED FIM 34-61 TASK 834. OPS TEST CHECKS GOOD. OK FOR SERVICE.Aug 2, 2023 · N464AS · Boeing 737990ERSDR ASAA2023080144348Unknown · unknownFMC DISAGREE MESSAGE DISPLAYED ON POWER-UP. GROUNDED - YES. PERFORMED IFIM 34-61-00-810-918, FMC'S RETURNED TO NORMAL, OK FOR SERVICE, SEAMC JOEY CONSULTED.Aug 1, 2023 · N966AK · Boeing 7379SDR ASAA2023073144349Unknown · unknownNO.1 FMC FAILED IN FLIGHT FOLLOWED BY FMC RESTART. GROUNDED - YES. FAULT MESSAGE 34-69001 IN FAULT HISTORY. NOT LATCHED. CYCLED CB'S FOR FMC #1 & #2 REF FIM 34-61-00. OK FOR SERVICE.Jul 31, 2023 · N943AK · Boeing 7379SDR ASAA2023073144347Unknown · unknownAT CRUISE VTK ON RIGHT FMC. BOTH MAP VTK AFTER LANDING RE-BOOTED WITHOUT QRH. GROUNDED - YES. R/H FMC VTK NUISANCE FAULT & GND REBOOT. REF MM/FIM 34-61 TSK 836 RESYNC'ED FMC'S BITE TESTS OK.Jul 31, 2023 · N486AS · Boeing 737990ERSDR ASAA2023072944308Unknown · unknownUSING RSV FUEL MESSAGE. GROUNDED - YES. NO WIND SPD ON FLT PLAN. REBOOTED 1 & 2 FMC COMPUTERS. WIND SPD LOADED AND USING RSV FUEL MESSAGE CLEARED.Jul 29, 2023 · N933AK · Boeing 7379SDR ASAA2023072844307Display · faultyF/O MCDU SCREEN SHOWED JUMBLED WEIRD CHARACTERS AND LETTERS MULTIPLE TIMES ENROUTE. GROUNDED - YES. REMOVED AND REPLACED F/O MCDU. OPS CHECK GOOD IAW B737-900 AMM 34-61-01-400-802.Jul 28, 2023 · N471AS · Boeing 737990ERSDR ASAA2023072644277Unknown · unknownDURING CRUISE, VTK AND MAP FAILURE FLAGS NOTED ON FIRST OFFICERS DISPLAY. ADDITIONALLY, "SINGLE FMC OPERATION" WAS DISPLAYED ON FIRST OFFICER MCDU. QRH FOR FMC FAIL WAS CONSULTED AND PER CHECKLIST FMC SOURCE SELECT SWITCH WAS PLACED TO "BOTH ON L" NO RIGHT SIDJul 26, 2023 · N979AK · Boeing 7379SDR ASAA2023072444214Unknown · unknownPERFORMANCE DATA WILL NOT FULLY LOAD. GROUNDED - YES. ACCOMPLISHED FIM 22-11 TASK 831. NO FAULTS FOUND ON ADIRU, FMC OR FQIS. RELOADED SOFTWARE ON LH FMC. OPS, ND, OPC, ADDB, LDDB AND NAV DATA. REF AMM 34-61-00. J. ROBERTS 38885.FOUND LDDB, OPC SOFTWARE DEFAULJul 24, 2023 · N537AS · Boeing 737890SDR ASAA2023072444213Unknown · unknownFMC DISAGREE. GROUNDED - YES. PERFORMED GOOD OPERATIONAL TEST OF FMC REF AMM 34-61-00-710-801.Jul 24, 2023 · N956AK · Boeing 7379SDR ASAA2023072444212Unknown · unknownDURING CRUISE AT FL 360 VTK ON CAPT ND, ON MENU PAGE OF CAPTS FMC, LOST LNAV & VNAV, RAN QRH PROCEDURE. GROUNDED - YES. PERFORMED FIM TASK 34-61 TASK 836, FAULT CLEARED. SEAMC DOUG NOTIFIED. GROUND VERIFICATION SUCCESSFUL. NO FAULTS.Jul 24, 2023 · N565AS · Boeing 737890
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