JASC 3461
Service difficulty reports · 68
Reports filed under 3461 · Flight Management Computing Software 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 = '3461' 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 jasc_code = '3461' 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 SWAA2025042324918Fmc · fault messageBOTH CAPT & FO FD FAILED; MACH TRIM FAILED LIGHT ILL; A/P FAILED; A/T FAILED <[01]. PERFORMED THE FOLLOWING TESTS PER AMM CHAPT 22-11-00; A/T TEST; FD TEST; A AND B FCC TEST ;MACH TRIM TEST NSS TEST ; DFCS BITE ; FMCS TEST ALL TESTS PASSED. R/R #2 FMC COMPUTESDR CNMA202312210002Cdu · intermittentL CDU FAILURE, L FMC FAILURE: DURING FLIGHT CREW REPORT THE L FMC FAILED. DISCUSSIONS WITH MOC AND DO. ALL PARTIES AGREED TO CONTINUE. CREW CALLED BACK 1 HOUR LATER AND STATED THE L CDU FAILED AND WENT BLANK. FIGHT DIVERTING TO ANC DUE TO ETOPS AND FUEL RESTRISDR FDEA202305160879Display · failedR FMC WENT BLANK UPON ENGINE START. ACCOMPANIED BY SQUEAL OVER THE RADIOS, NOTICEABLE ELECTRIC SMOKE ODOR AND CIRCUIT BREAKER FMCS CDU POPPED. (E11) RETURNED TO GATE. R/R'D FO'S CDU PER AMM 34-61-02-4. CHECKS GOOD. ALL RADIOS CHECK GOOD IAW AMM 23-12-SDR CALA2023042401243Display · unknownCAPT MCDU NO POWER. REPLACED CAPTAIN'S MCDU, CHECKS GOOD. PARTS USED: 19-3461-9-0006,QTY :1 ROTABLE INFO ADDED. ROTABLE PARTS CHANGE WAS INDICATED - TT # 1682053 SN OFF 3140 PANEL, MCDU, ET OFF 19-3461-9-0006 3140 ON 19-3461-9-0006 2500.SDR ASAA2022101640323Fmc · fault messageDURING DECENT, FMC DISAGREE - VERTICAL MESSAGE OCCURRED DURING MUCH OF THE TIME. THE MESSAGE DID NOT CONTINUE IN THE APPROACH PHASE. GROUNDED - YES. FOLLOWED B737-9 IFIM 34-61-00-810-918 FOR FMC DISAGREE. FAULT CLEARED FIM PROCEDURE, OPS CHECK GOOD. NO HISTORYSDR ASAA2022101640322Fmc · faultyINFLIGHT DURING ALL TURNS CP ND HEADING FLICKERED WITH IN A FEW DEGREES BACK AND FOURTH. WOULD NOT STABILIZE. SPURIOUS FMC MSG VERIFY POS: FMC-FMC DURING FLIGHT. GROUNDED - YES. REBOOTED A/C DUE TO MULTI. FAULTS. ACCOMPLISHED FMC OPS TEST REF B737-9 AMM 34-61-SDR CALA2022091902409Fmc · noneL FMC FAIL. REMOVED AND REPLACED LEFT FMC COMPUTER.SDR ASAA2022082939709Fmc · defectiveRT FMC LSK 5R + 6R TOP LAYER MISSING. GROUNDED - YES. REMOVED AND REPLACED F/O'S FMC CDU REF B737-900 AMM 34-61-01, OPS CHECK GOOD. CDU SOFTWARE CONFIGURATION CHECK COMPLIED WITH REF AMM 34-61-00.SDR CALA2022082202141I/O Module · unserviceableINBOUND FLT. CREW REPORTS BOTH FMC''S LOST WAYPOINTS AND ROUTE INFO TO CAPT''S AND FO''S NAV. DISPLAYS IMMEDIATELY FOLLOWING DEPARTURE. REPLACED BOTH LEFT AND RIGHT I/O MODULES M004. OK TO CONTINUE.SDR ASAA2022081439518Fmc · intermittentDURING TAXI IN CAPTAINS NAV DISPLAY SHOWS VTK FLAG & BOTH CDU'S FMC SELECTIONS CARROTS DISAPPEAR. THIS CONDITION CYCLED ABOUT 8-10 TIMES DURING TAXI IN. GROUNDED - YES. PERFORMED RESET OF CB A6 & A7 ON P 18-2 PANEL AND RESET D 15 & 16 ON P 6-1 PANEL. PERFORMEDSDR ASAA2022081439517Fmc · failedENROUTE DURING CRUISE THE FO FMC FAILED WITH VTK DISPLAYEDTHEN BRIEFLY LOST CA SIDE FMC, BOTH FMCS RESET AND NO OTHER ISSUES NOTED. GROUNDED - YES. C/W FMC RESET PER B737-900 FIM 34-61 TASK 836 OPS CHECK NORMAL, NO HISTORY LAST 90 DAYS.SDR ASAA2022081139494Fmc · out of dateEXPIRED NAV DATABASE. GROUNDED - YES. PERFORMED FMC SOFTWARE DATA LOAD. IAW B737-800 AMM 34-61-00-470-805.SDR ASAA2022081139473Software · out of dateNAV DATA BASE OUT OF DATE. GROUNDED - YES. ACCOMPLISHED ASA TASK CARD N1920483, NAV DATABASE IS NOW CURRENT.SDR ASAA2022081039474Fmc · warning lightON FO ND GOT VTK FLAG WHILE @ CRUISE & GOT SINGLE FMC OPS MSG FOR ABOUT 15 SECS RETURNED TO NML OPS. GROUNDED - YES. SYS LOGGED & RESET.SDR ASAA2022080939453Fmc · failedRIGHT FMC FAILURE DURING LAST HOUR OF CRUISE FLIGHT DRI QRH AND DID NOT RESTORE RIGHT FMC. GROUNDED - YES. RE CONFIGURE FMCS TO NORMAL PERFORMED B737-900 FIM 34-61 TASK 807 OPS CHECK NORMAL SYSTEM OK FOR SERVICE.SDR ASAA2022080839410Fmc · inaccurateFMC DISAGREE INDICATED. GROUNDED - YES. SENSOR DATA INDICATES SOLID FCC DATA SYNC ERROR. PER B737-9 IFIM 34-61-00-810-918, FMC 1 AND 2 RESET AND NORMAL OPERATION RESTORED.SDR ASAA2022080739430Fmc · inoperativePILOT REPORTS F/O FMC INOP. GROUNDED - YES. REPLACED RIGHT FMC COMPUTER PER B737-800 AMM 34-61-02/401. PERFORMED FMC SOFTWARE CROSS LOAD PER AMM 34-61-00-470-806 INSTALLATION TEST IS GOOD.SDR ASAA2022080739411Fmc · warning messageIN CRUISE WE RECEIVED A #1 FMC FAILURE WITH ASSOCIATED CAPTAIN'S ND VTX MESSAGE. THE PROBLEM RECTIFIED ITSELF AFTER 30 SECONDS. THE FMC OPERATED NORMALLY AFTERWARDS. GROUNDED - YES. ACCOMP B737-800 FIM TASK 34-61 #836 AND OPS CK PER 34-61-00. SYS OPS CKS NML, SDR ASAA2022080339344Fmc · faultedFMC DISAGREE DISPLAYED ON BOTH ND'S AFTER ALIGNMENT. GROUNDED - YES. PERFORMED MAX DISPLAY OPS TEST REF B737-9 AMM 31-65-00-710-801 OPS CK GOOD. PERFORMED FMC DISAGREE B737-9 IFIM 34-61-00-10-918, FMC ALIGNMENT GOOD AFTER ABOUT 8 MINUTES, OK FOR SERVICE.SDR FDEA202207011663Cdu · failedCA S FMC SHORTED (SMOKE) WITH POPPED CIRCUIT BREAKER. R/R CAPT'S CDU IAW BOEING 767 AMM 34-61-02-4, PERFORMED ADJ/TEST IAW AMM 34-61-02-5, ALL INDICATIONS NORMAL, OPS CHK GOOD.SDR FDEA202204130945Fmc · failedL AND R FMC FAIL -EMERGENCY DECLARED ***EMERGENCY DECLARED*** R&R'D BOTH FMC COMPUTERS. UPDATED ALL SOFTWARE. BOTH FMCS OPS CKS NORMALLY. REF B757 MM SEC 34-61-01-4-1. ALL SOFTWARE UPDATED TO CURRENT REQUIREMENTS.SDR FDEA202201180100None · nonePDIS 113 34-61 7217 18JAN22 MAD FACT U BOTH CAPT AND FIRST OFFICER FMSS LOCKED UP ON DEPARTURE PASSING THROUGH 5000, COULD NOT SELECT OR CHANGE PAGES ON EITHER FMS FOR ABOUT 2 MINUTES. INITIALLY USED HEADING SELECT TO COMPLY WITH ATC CLEARANCSDR P5CA2022011800004Fmc · noneRIGHT FMC FAILURE AFTER DEPARTURE, DUAL FMC FAILURE ENROUTE.(<P>REMOVED AND REPLACED RT FMC PERFORMED SOFTWARE CROSSLOAD & CONFIG CHECK , PERFORMED GROUND TESTS THROUGH CMC ALL TESTS PASSED PER AMM 34-61-01 34-61-00-472-105 34-61-000-752-101</P>)SDR I5PA2021122188804None · faultyDISCREPANCY - LEFT CDU FAILED
CORRECTIVE ACTION - REMOVED AND REPLACED LEFT CDU IAW AMM 34-61-02. OPS CHECK OK.SDR FDEA2020021080299Indicator · false indicationMDIS 297 34-61 3894 08FEB20 MEM FACT U PER CREW VERBAL: DURING APPROACH A/C FULLY CONFIGURED FLAPS 30, VREF FOR THE LANDING WEIGHT OF 302.3 WAS COMPUTING 141 KTS. AT THIS AIRSPEED THE STALL ZIPPER WAS ABOVE THE VREF SPEED APPROXIMATELY 7-8SDR FDEA201811033102Circuit Breaker · trippedPASSING FL180 DESCENT, DATA LOADER CIRCUIT BREAKER POPPED. SMELL OF SMOKE FOR A SHORT MINUTE, THEN DISSIPATED. SECURED P11 CIRCUIT BREAKER PANELS, CLOSED C/B C627 AND POWERED-UP AIRCRAFT. PROCEEDED TO SHAKE DOWN WIRING THRU AREAS OF WIRE RUN AND C/B REMAINED CSDR AALA201708039023Fmc · lockedTHE AIRCRAFT WAS GROUNDED. WHILE IN HOLDING BOTH FMCS LOCKED UP AND WE LOST THE FMC PROMPT ON BOTH BOXES. LOST BOTH MAP DISPLAYS. THRUST INDICATIONS VTR DISPLAYED ALONG WITH MAP. ALSO LOST REF AND FLAP SPEEDS. FLIGHT DECLARED AN EMERGENCY AND DIVERTED TO CSDR CA160307009Fms · malfunctioned(CAN) THE FOLLOWING SNAG WAS REPORTED ON THE GVFD SOFTWARE V5.1.3: A FLYOVER WAYPOINT WILL BE CHANGED TO A FLY-BY WAYPOINT WHEN WAYPOINT(S) EXIST AFTER THE FLYOVER WAYPOINT AND AN EDIT OCCURS WHICH RESULTS IN THE FLYOVER WAYPOINT, EVEN MOMENTARILY, BECOMING TSDR ABXA2016217003Software · defectiveTHE LT & RT PRIMARY FLIGHT DISPLAYS FLASHED NUMEROUS TIMES THEN BOTH FAILED. THE LT & RT NAVIGATIONAL DISPLAYS FLASHED & FAILED INTERMITTENTLY. REPLACED THE CTR & RT DATA CONCENTRATOR UNITS. THE CAUSE OF THE DISPLAY UNITS FLASHING & FAILING WAS INCOMPATIBLESDR AALA20151213007Software · corruptedAIRCRAFT WAS GNDED. AIR INTERRUPT, DURING CLIMB, BOTH FMCS & BOTH AUTOPILOTS BECAME INOPERATIVE. ACCOMPLISHED FIM 34-61-00-810-807 & 34-61-00-810-824 WITH NO FAULTS FOUND. ACCOMPLISHED THE FOLLOWING SOFTWARE LOAD. OPERATIONS CHECKED NDB, MEDD, LDDB & AADB SDR FDEA201511103552Unknown · malfunctionedV SPEEDS DELETED 4 TIMES PRIOR TO DEPARTURE. AT TAKEOFF ROLL, V SPEEDS DELETED AGAIN & ACFT VEERED TO RIGHT, REJECTED TAKEOFF & RETURNED TO BLOCKS. CAPTAIN REPORTED NO STEERING PROBLEMS ON RETURN TO GATE. NO FAULTS PRESENT ON FMC COMPUTER LT OR RT. DOWN POSDR CA151009009Fms · failed(CAN) LOSS OF TRUE HEADING INFORMATION WITH THE FMS FAILURE. DURING RC RIG TESTING, THE FOLLOWING BEHAVIOR WAS OBSERVED, AND IDENTIFIED THE CAUSE AS BUG IN THE DISPLAY SYS SOFTWARE. FAILURES THAT RESULT IN LOSS OF FMS DATA IN THE SYSTEM, FMC, IOC OR PWR FAILSDR AALA20150524002Software · faultyAIR INTERRUPT, EMER DECLARED, LANDING UNEVENTFUL & ACFT OVERWEIGHT. DURING CLIMB, BOTH FMCS FAILED. PERFORMED BITE OF LT & RT FMCS IAW FIM 34-51-00 WITH NO FAULTS FOUND. PERFORMED MCDP TEST 30 & 40 ON LT & RT FMCS IAW FIM 22-0300 WITH NOT FAULTS FOUND. RELSDR A6WA201542383Fms · malfunctionedABORTED TAKEOFF AT APPROX 80 KTS, BTMS 5, 5, 3 & 5. FMS FAILED ON TAKEOFF. COMPLIED WITH FIM FAULT RESET OF FMS. OPERATIONS OKAY. IAW MX HIGH ENERGY STOP INSPECTION NOT REQUIRED.SDR FDEA201411153722Unknown · malfunctionedUNCOMMANDED TURN, DURING CRUISE PHASE OF FLIGHT WITH LNAV & VNAV SELECTED, THE ACFT STARTED A RANDOM TURN TO THE LEFT. SWITCHED TO HEADING SELECT TO TURN BACK TOWARDS PROPER COURSE THEN RE-ENGAGED LNAV WHERE UPON THE ACFT NAVIGATED NORMALLY. THE ONLY PILOT SDR FDEA201405261196Unknown · malfunctionedON TAKEOFF ROLL AT APROX 1100-120KTS ALL PERFORMANCE DATA DUMPED V1,VR DISAPPEARED SPEED DATA ONLY SHOWED V2 BECAUSE IT WAS SET IN SPEED WINDOW. COMMANDED ROTATE AT V2 & WE CLIMBED OUT AT V2 20. SET 240 IN WINDOW FOR CLEAN UP ON SCHEDULE AT 3500 FT. ENGAGEDSDR CA140407010Fms · warning light(CAN) THE ACFT DISPLAYED FMS 1 FAIL, FMS 2, FMS 3, FAIL CAS MESSAGES AND RED FMS FLAGS ON THE ASSOCIATED PRIMARY FLIGHT DISPLAYS AND MAPS. FMS MESSAGES POSTED: FMS NAV INVALID AND CROSS-TALK. AUTOPILOT REVERTED TO BASIC MODES AND AUTOTHROTTLE DISCONNECTED. WSDR CA140407009Fms · warning light(CAN) THE ACFT DISPLAYED FMS 1 FAIL AND FMS 2 FAIL CAS MESSAGES AND RED FMS FLAGS ON THE ASSOCIATED PRIMARY FLIGHT DISPLAYS AND MAPS. ACFT RETURN TO DEPARTURE, PASSENGERS ON BOARD, DUE TO THE FMS 1 & FMS 2 FAIL RE-OCCURRING ONCE MORE IN FLIGHT. THE FLIGHT CRESDR FDEA201203281167Computer · malfunctionedFLIGHT PLAN WAS LOADED VIA UPLINK. FLIGHT PLAN WAS CHECKED IN CAPTAINS PREFIGHT ON PLAN PAGE FOR PROPER SEQUENCING AND VERIFIED WITH F/O THROUGH CFM PROCEDURES. WHEN ACFT WAS AT FL340 APPROACHING N45/W160, WHEN ACFT SEQUENCE POINT, NEXT POINT WAS N43/W150, ASDR UALA2011111606269Software · defectiveAFTER ACCOMPLISH COA 209872 LT RT AIMS (M002 MODULE) FMCF AMI AND ACMF AMI SOFTWARE NOT MATCH. LOADED FMCF AMI SOFTWARE ON L AIMS TO MATCH WITH R. ALL STATUS MESSAGES CLEARED. STILL NEEDS ADDRESS FMCF AMI AND ACMF AMI SOFTWARE ISSUES. AFTER CORRECTIONS TO COASDR ASMF201108008Fmc · malfunctionedACFT PERFORMED AN UNSCHEDULED LANDING, DURING CRUISE AN INDICATION OF INSUFFICIENT FUEL APPEARED ON THE FMC. MX PERFORMED BITE TO FMC AND FQIS IAW FIM 34-61 TASK 801 AND FIM 49-40 TASK 801 AND VERIFIED BY FUEL MEASURING STICKS IAW FMS 12-11-03, NO FAILURE WASSDR 9JL2011F00000Unknown · malfunctionedON 2 SEPARATE OCCASIONS UNS-1 MODEL FMS`S HAVE COMMANDED ERRONEOUS TURNS ON THE SAME APPROACH SEQUENCE. INITIAL INVESTIGATION SEEMS TO INDICATE A POSSIBLE SOFTWARE DEFECT.SDR HALA2011071100320Computer · faultedETOPS SIGNIFICANT SYS - TCAS EICAS MESSAGE TCAS FAIL ON EHSI NO CHANGE IF OTHER TRANSPONDER SELECTED OR IF TA ONLY SELECTED. RESET TCAS COMPUTER ALIGNED IRU'S TESTED BOTH 1 AND 2 TCAS AND BOTH TEST OK- NO EICAS MESSAGE AND NO FAIL ON EHSI-TCAS OK FOR SERVICE.SDR CA110318002Fms · defective(CAN) PROBLEM ORIGINALLY OCCURRED LAST YEAR, HOWEVER WAS ONLY RECENTLY REPORTED TO THE EQUIPMENT MANUFACTURER. TWO ACFT PH-PXB & PH-PXE AFFECTED. WHEN FLYING IN REGION WHERE MAGNETIC VARIATION IS CLOSE TO ZERO DEGREES, THERE IS A POSSIBILITY THAT THE FMS CAUSDR ASAA1058423Software · malfunctionedVTK AND MAP ON F/O SIDE WITH SINGLE FMC MESSAGE. ACCOMPLISHED FMCS SOFTWARE RESET REF MM 34 60 01. NR 2 FMC OPS NORMAL.SDR HALA2010100400450Fmc · malfunctionedETOPS SIGNIFICANT SYS - AT 500' ON TAKEOFF, BOTH FMC'S DISPLAYED "STANDBY ONE" AND LOCKED UP. ROUTE DISAPPEARED. PULLED FMCS CDU (LT) AND COMPUTER (LT) CB. RESET , REINSERTED ROUTE OK. T/S IAW FIM 34-61-00/101. SYS OK FOR SERVICE.SDR HALA2009120300562Software · malfunctionedETOPS SIGNIFICANT SYS - AFTER T/O LOSS FLIGHT PLAN ROUTE ON BOTH FMC, NO WAYPOINTS ON LEGS PAGE ACTIVATED ROUTE 2 WHICH HAD A COPY OF ROUTE 1 CONTINUED BUT NO ETA OR FUEL PREDICTIONS FOR EACH WAYPOINT ON LEG PAGE AND PREVIOUS PAGE. PREFORMED OPS TEST AND SYS SDR HALA09F00135Fmc · malfunctionedETOPS SIGNIFICANT SYS - AFTER T/O LOSS FLIGHT PLAN ROUTE ON BOTH FMC, NO WAYPOINTS ON LEGS PAGE ACAVATED ROUTE 2 WHICH HAD A COPY OF ROUTE 1 CONTINUED BUT NO ETA OR FUEL PREDICTIONS FOR EACH WAYPOINT ON LEG PAGE AND PREVIOUS PAGE. PREFORMED OPS TEST AND SYS TSDR HALA2009101200459Fmc · intermittentETOPS SIGNIFICANT SYSTEM - BTB - FMC FUEL PREDICTION INNACURATE WITH FLT PLAN. INSUFICIENT FUEL WITH 0.0 LBS. OVER DESTINATION OBSERVED. PERFORMED FMC BITE PROCEDURE PER FIM 34-61-00 FIG.111. NO FAULTS NOTED. GROUND CK GOOD. OK FOR SERVICE.SDR HALA2009082000375Fmc · malfunctionedETOPS SIGNIFICANT SYS - LT AND RT FMC STUCK ON CROSSLOAD MODE. RELOADED CURRENT SOFTWARE ON LT FMC IAW AMM 34-61-00. REMOVED AND REPLACED RT FMC IAW AMM 34-61-00. ACCOMPLISHED CURRENT NAVIGATION DATABASE UPLOAD. FMC SYS OPS NORMAL.
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