JASC 3421
Service difficulty reports · 1,142
Reports filed under 3421 · Attitude Gyro and Indicating 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 = '3421' 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 = '3421' 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 RAIA201603210003Indicator · tumblesISIS TUMBLING WITH RED ATT FLAG, RETURNED TO BLOCK. MAINTENANCE REPLACE ISIS, OPS CHECK GOOD.SDR WX0A2016031673107Vertical Gyro · faultyAFTER TAKEOFF, CLIMBING THROUGH 10,000, PLATFORM 2 FAILED, MSG ON FMS SCRATCHPAD. SHORTLY AFTER, PLATFORM 1 FAILED RESULTING IN LOSS OF BOTH FLIGHT DIRECTORS, AUTOPILOT, AUTO THROTTLES & BOTH FMA'S. PERFORMED FAULT REVIEW & SHOWS ATT 1 & 2 SIGNAL FAULTS IAW SDR HALA2016012400015Iru · faultedLEFT IRS FAULT. R & R LT IRU IAW AMM 34-21-01, OPS CHECKED NORMAL.SDR AALA20160109008Vertical Gyro · faultyAIRCRAFT WAS GNDED. AIR INTERRUPT, EMER DECLARED, LANDING UNEVENTFUL & ACFT NOT OVERWEIGHT. DURING CRUISE ALTERNATE HORIZON LIGHT ILLUMINATED IN BOTH FMAS & THE FIRST OFFICER`S DIRECTIONAL GYRO BECAME INOPERATIVE. R & R NR 2 VERTICAL GYRO IAW AMM 34-23-01 &SDR YADA20151215001Gyro · faultyCOPILOT ATTITUDE INDICATOR SHOWING 5 - 10°, BANK TO RIGHT DURING LEVEL FLIGHT. RETURN TO AIRPORT OF DEPARTURE. REPLACED INOPERATIVE ATTITUDE GYRO, CHECKED GOOD.SDR WX0A2015070272705Vertical Gyro · faultyCAPTAINS PFD BOUNCES UP & DOWN OCCASIONALLY CAUSING AUTOPILOT TO PITCH YOKE FWD & AFT RAPIDLY. SOON THEREAFTER AUTO THROTTLES, AUTOPILOT & FLIGHT DIRECTOR ALL FAILED. R & R VERTICAL GYRO IAW AMM 34-23-01. PERFORMED RTS IAW AMM 22-01-05. OPERATIONS CHECKED SDR 2015FA0000258Indicator · tumblesDURING CLIMBOUT, FIVE MINUTES INTO FLIGHT, THE PILOT OBSERVED THE RT ATTITUDE INDICATOR TUMBLED, MADE 180 DEGREE TURN BACK TO MAINTENANCE BASE. ATTITUDE INDICATOR STOPPED ITS TUMBLE AND RIGHTED ITSELF. MX PERFORMED OPS CHECK, FOUND NO DEFECTS NOTED AND COULDSDR CA150203007Vertical Gyro · unserviceable(CAN) CAPTAINS ATTITUDE INDICATION HAS FAILED 4 TIMES. THE VERTICAL GYRO HAS BEEN REPLACED WITH DIFFERENT SN GYROS. THE ATTITUDE INDICATION WORKS FINE AFTER EVERY GYRO CHANGE. TALKED TO OVERHAUL FACILITY & WAS TOLD THAT THEY HAD A BAD RUN OF NEW BEARINGS. SDR SIMA20141124005Indicator · failedSTANDBY ATTITUDE INDICATOR SHOWS A CONSTANT RT TURN IN CLIMB & LEVEL FLIGHT WHEN PLANE IS NOT TURNING. R & R STANDBY ATTITUDE INDICATOR IAW AMM 34-24-01. OPERATIONS CHECKED GOOD. ACFT IS COMPLIANT FOR CONTINUE CAT II OPERATION.SDR WX0A2014080572069Vertical Gyro · failedON DEPARTURE WHILE IN THE CLIMB THE LT FOLLOWED BY THE RT FLIGHT DIRECTORS FILED. LOST BOTH FD'S, FMA'S & AUTOPILOT. IAW WORK ORDER 228858 R & R NR 1 VG IAW AMM 34-23-01. RTS SHOWS GO FOR 1 & 2 IAW AMM 22-01-05. SYS OPERATIONS NORMAL.SDR CALA2014050690975Eadi · faultyCAPTAIN'S EADI BLANKS. INSPECTED CAPT EADI FOUND NO PUSHBACK SOCKETS, SWAPPED EADI WITH FO, PROBLEM WENT TO FO, REPLACED CAPT EADI.SDR COZA20140320040Tat Probe · intermittentWHITE MESSAGE "A/T LIM" ON UPPER DISPLAY UNIT. TAT PROBE SIGNAL FAIL MAINTENANCE MESSAGE WAS FOUND DURING TROUBLESHOOTING USING THE FIM. TAT PROBE WAS REPLACED AND SYSTEM CHECKED NORMAL.SDR 9JLA2014011504956Gyro · defectiveTHE CREW REPORTED THAT THE STAND BY ATTITUDE INDICATOR DRIFTED MORE THAN 10 DEGREES IN 30 MINUTES. THE STAND BY GYRO WAS REMOVED SN 1095 & AN OVERHAULED UNIT WAS INSTALLED. FUNCTIONAL CHECKS SATISFACTORY.SDR CA131202014Indicator · failed(CAN) CO-PILOTS ATTITUDE INDICATOR TOPPLED IN FLIGHT. INDICATOR WAS ONLY SERVICEABLE FOR 7 FLIGHT SEGMENTS SINCE BEING REPLACED. AIR DRIVEN ATTITUDE INDICATORS HAVE BEEN CONSISTENTLY FAILING.SDR 9JLA2013110407259Indicator · defectiveFLIGHT CREW REPORTED THAT THE STANDBY HORIZON INDICATOR INDICATES A 5 DEGREE BANK IN STRAIGHT AND LEVEL FLIGHT. REMOVED THE STANDBY HORIZON INDICATOR. INSTALLED AN O/H INDICATOR IAW MM.SDR CA131103002Gyro · failed(CAN) ON A ROUTINE DESCENT, THE CREW NOTED THAT THE RT ATTITUDE GYRO TOPPLED AND BECAME UNSERVICEABLE. MAINTENANCE REPLACED THE UNIT AND THE SYS WAS GROUND FUNCTION CHECKED SERVICEABLE.SDR CA131103004Gyro · failed(CAN) ON CLIMB OUT THE CREW NOTICED THE RT ATTITUDE GYRO HAD BECOME UNSERVICEABLE. THE FLIGHT CONTINUED WITH OUT INCIDENT TO DESTINATION. MAINTENANCE REPLACED THE GYRO AND THE SYSTEM WAS GROUND FUNCTION CHECKED SERVICEABLE.SDR CA131103003Gyro · failed(CAN) ON CLIMBOUT THE CREW NOTICED THE RT ATTITUDE GYRO HAD BECOME UNSERVICEABLE. THE FLIGHT CONTINUED WITH OUT INCIDENT TO DESTINATION. MAINTENANCE REPLACED THE GYRO AND THE SYSTEM WAS GROUND FUNCTION CHECKED SERVICEABLE.SDR N6WA2013072801Warning Message · false activationFLIGHT DIRECTOR INOPERATIVE, WARNING MESSAGE PFD. PERFORMED OP'S CHECK OF AHRS IAW AMM 34-21-00. OP'S CHECKED GOOD AT THIS TIME.SDR YYFA20130720001Buss · trippedLEFT GENERATOR BUSS TRIPPING, WHICH KICKS OFF AHRS AND NO NAVIGATION SYS WAS AVAILABLE.SDR 6CBA20130619126Indicator · failedDURING CLIMB-COPILOTS SIDE EHSI FAILURE ALONG WITH ELECTRICAL BURNING FUMES. CMPST MODE OK 2-3 MINUTES LATER, RETURNED TO NORMAL. THE COPILOTS EHSI, PN 066-03125-2500 WAS R & R IAW AMM 12-A-34-26-02-00A-920A-A NO DEFECTS NOTED. THE ACFT INSTRUMENTS, BEHIND SDR ASMF201305015Adiru · failedAIRCRAFT RETURNED, DURING TAKEOFF FLAGS V1, VR IN PFD 1 AND 2 WERE SHOWN WITH SHAKER AND LOW SPEED ALARM. MX PERSONNEL PERFORMED THE FIM 22-11, TASK 801 PROCEDURE, DETECTING THE 22-11759 AND 22-11365 FAILURE CODES. LT ADIRU WAS REPLACED IAW AMM 34-21-01, TSDR CA130524003Gyro · failed(CAN) AFTER REPLACEMENT OF DISPLACEMENT GYRO, FLIGHT CREW NOTIFIED MAINTENANCE THAT THE ATTITUDE INDICATOR INFORMATION WAS BACKWARDS. MAINTENANCE FOUND THE FORWARD POINTING ARROW ON THE COVER OF THE UNIT WAS INSTALLED BACKWARDS. THIS ARROW IS TO GUIDE THE INSDR CA130128025Indicator · failed(CAN) STANDBY ATTITUDE INDICATOR UNSERVICEABLE.SDR VPQA20121227835Generator · failedUPON DEPARTURE, THE MULTI FUNCTION DISPLAY BEGAN INTERMITTENTLY FLASHING OFF AND ON IN CONJUNCTION WITH INTERMITTENT LOSS OF NAVIGATIONAL DATA TO CAPTAIN AND F/O PRIMARY FLIGHT DISPLAYS CAUSING LOSS OF AUTOPILOT FUNCTIONS AS WELL. ACFT RETURNED TO DEPARTURE. SDR DBCA2012121100008Vertical Gyro · faultyON POWER UP CREW NOTED NR 2 ATTITUDE INDICATOR FLAG WON'T CLEAR. CREW CYCLED POWER SEVERAL TIMES, WITH NO CHANGE. CREW CONTACTED MAINTENANCE. TROUBLESHOT TO NR 2 VERTICAL GYRO. REPLACED NR 2 VERTICAL GRYO WITH INSPECTED UNIT. OPS CHECK GOOD.SDR AALA20121206013Indicator · failedJFK - INFLIGHT ORD-CDG. CREW REPORTED ISFD ATTITUDE INDICATOR FAILED. EMERGENCY DECLARED FLIGHT DIVERTED JFK LANDED WITHOUT INCIDENT. REPLACED ISFD ATTITUDE INDICATOR. SYSTEM GROUND CHECK NORMAL OPERATION.SDR K11A2012112924001Gyro · defectiveF/O'S HSI COMPASS CARD FAILED, RETURNED TO HOME BASE, NO EMERGENCY PROCEDURES TAKEN. PART RETURNED FROM VENDOR WITH THE FOLLOWING FINDINGS, HOUSING LOOSE, FOUND OPEN LAMPS, BACKPLATE LOOSE, BOTH POINTERS STICKING, MOTOR AND GEARS DIRTY. THIS REPORT IS A FOLLOSDR JJBA20121118007Ahrs · brokenDURING CLIMB CREW REPORTED THE TAKE OFF HEADING MISMATCH SHOWED A DIFFERENCE FROM COPILOT SIDE. MX CREW R & R THE AHRS UNIT. OPS CHECK.SDR CA121102003Indicator · malfunctioned(CAN) AFTER LANDING AND UNLOADING THE AIRCRAFT, THE CREW DURING THE TAXI FOR DEPARTURE NOTICED THAT THE COPILOT`S ATTITUDE INDICATOR HAD TOPPLED AND WOULD NOT ERECT. CREW TAXIED BACK TO PARKING AND NOTIFIED MAINTENANCE. THE INDICATOR WAS OVERHAULED FEBRUARY 8,SDR QMLA2012100512164Indicator · failedPILOTS GYROSCOPIC PITCH BANK INDICATING SYS FAILED INFLIGHT DURING DEPARTURE.SDR UALA2012083104894Saaru · malfunctionedSAARU STATUS WITH MTC MSG 34-38801. RECYCLED CB, ACCOMPLISHED COMPLETE ACFT POWER UP AND RERACKED UNIT, NO HELP. ATTEMPTED RELOADING SOFTWARE, HOWEVER NO SIGNAL CAME BACK FROM DESTINATION LRU. PER FIM 34-21 TASK 874, NEEDS SAARU M34002 REPLACEMENT. RMKS: OPC SDR IPXA12674933Adi · inoperativeAIR TURN BACK DUE TO CAPTAIN`S ADI INOPERATIVE, POPPING AND CRACKLING HEARD, AND AN ELECTRICAL ODOR FOR BRIEF PERIOD. WHEN BLOCK IN, FOUND CAPT ADI CIRCUIT BREAKER TRIPPED, TROUBLE SHOT IAW FIM 34-12, TASK 818. FOUND CAPTAIN`S ADI BAD. R & R AND TESTED OK ISDR A6WA201240735Monitor · malfunctionedREJECTED TAKE OFF AT 58 KTS FOR EFIS COMP MON HEADING, BTMS READS 4, 4, 3, 3. PERFORMED OPS TEST OF AHRS IAW AMM 34-21-01. OPS CHECKED GOOD.SDR VQMA201207310701Indicator · failedDURING CLIMB OUT, AT AN ALTITUDE OF APPROX 160, EXPERIENCED A FAILURE OF ADI. AUTOPILOT DISCONNECTED AND DETECTED A NOXIOUS ODOR SIMILAR TO BURNING ELECTRICAL EQUIPMENT. RETURNED TO DEPARTURE AND LANDED WITHOUT INCIDENT. TROUBLESHOOTING REVEALED EVIDENCE OSDR CA120709010Gyro · failed(CAN) DURING TAXI AND RUN-UP IT WAS OBSERVED THAT THE ATTITUDE GYRO DID NOT BECOME ERECT, THE ATTITUDE GYRO WAS REPLACED AND GROUND FUNCTION CHECKED SERVICABLE.SDR CA120627016Indicator · malfunctioned(CAN) ON A ROUTINE FLIGHT, THE CO-PILOT ATTITUDE INDICATOR BECAME UNSERVICEABLE DURING THE DECENT, APPROACH. THE CAPTAIN TOOK CONTROL OF THE ACFT AND LANDED WITH OUT INCIDENT. MAINTENANCE REPLACED AND FUNCTION CHECKED THE SYS SERVICEABLE.SDR 2012FA0000232Hsi · failedCREW COMMENTED THAT STANDBY HSI IS INOPERATIVE AND UNRELIABLE. NAV FLAG CAME INTO VIEW ENROUTE. REMOVED AND INSTALLED A REPAIRED HORIZONTAL SITUATION INDICATOR PN 520-3151-003 SN 16485 IAW MM 34-23-01. OPS CHECK GOOD. INDICATOR REPAIRED. WORK COMPLIED WITHSDR UALA2012040502113Eadi · malfunctionedF/O FLIGHT DIRECTOR PITCH BAR STUCK 10 DEGREES NOSE UP DURING DESCENT. REPLACED F/O EADI, DISPLAY NORMAL.SDR CA120326007Indicator · malfunctioned(CAN) ON APPROCH, THE FLIGHT DIRECTOR WAS "LAZY" THE VERTICIAL GYRO WAS REPLACED, SYSTEM WAS FUNCTION CHECKED SERVICABLE. (TC# 20120326007)SDR IPXA2672478Eadi · inoperativeCAPTAIN`S ADI WENT BLANK SELECTED ALTERNATE EFI NO CHANGE. AT 6,000`, DISPLAY CAME BACK ON. STARTED ARCING, SLIGHT SMOKE ODOR UNTIL BREAKER TRIPPED. DID NOT RESET BREAKER. ADI BLANKED ON ROTATION EADI REMOVED AND VISUAL CHECK BACK SIDE WIRING. NOTHING ABNOSDR CA120312016Gyro · malfunctioned(CAN) ON TAXI IT WAS NOTICED THAT THE VERTICAL GYRO HAD FAILED AND WAS APPROPRIATELY FLAGGED. THE FLIGHT CREW RETURNED TO THE BLOCKS WHERE MAINTENANCE REPLACED THE GYRO AND GROUND FUNCTION CHECKED THE SYS SERVICEABLE. THE GYRO WAS SENT TO AN AVIONICS SHOP FOSDR 5APR20120224109Display · faultyDURING ROUTINE MX THE PILOTS EADI WAS FOUND TO BE FUZZY. THE EADI DISPLAY PN 066-03125-2500 WAS R & R WITH A SERVICEABLE UNIT OF THE SAME PN IAW MM 12-A-34-26-03-00A-920A-A, AND OPS CHECKED GOOD IAW 12-A-34-26-00-00A-903A-A.SDR C8GA20120208003Gyro · inaccurateDURING CRUISE, BOTH CAPTAIN'S AND FIRST OFFICER'S ADI SHOWED A 10 DEGREE LT TURN. AN EMERGENCY WAS DECLARED AND THE ACFT LANDED WITHOUT INCIDENT. POST FLIGHT INSPECTION WAS PERFORMED. R & R THE NR 1 AND NR 2 GYRO, PERFORM OPERATION CHECKS WITH NO DEFECTS. SDR 5APR20120119106Eadi · failedTHE NR 2 EADI WAS FOUND TO BE BLOOMING DURING OTHER MX AND NEEDING REPLACEMENT. THE NR 2 EADI PN 066-03125-2500 WAS R & R USING A SERVICEABLE UNIT OF THE SAME PN 066-03125-2500 IAW AMM 12-A-34-26-03-00A-920A-A, OPS CHECKED GOOD IAW AMM 12-A-34-26-00-00A-903A-SDR AALA20120112DFW01Vertical Gyro · failedDFW - CREW REPORTED LOSS OF SEVERAL FLIGHT INSTRUMENTS. EMERGENCY DECLARED FLIGHT RETURNED DFW LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED NUMBER 1 AND 2 VERTICAL GYROS. SYSTEM GROUND CHECK NORMAL OPERATION.SDR 5APR0201210377103Display · faultyTHE COPILOTS EADI WAS REPORTED AS INOPERATIVE. THE COPILOTS EAD, WAS R & R USING A SERVICEABLE UNIT IAW AMM 12-A-34-26-03-00A-920A-A. THE SYS OPERATIONALLY CHECKED GOOD IAW AMM 12-A-34-26-00-00A-903A-A.SDR CA111219014Gyro · used(CAN) ON A ROUTINE FLIGHT, PILOT REPORTED THAT THE FLIGHT DIRECTOR SHOWS 15-20 DEGREE BANK IN LEVEL FLIGHT. MAINTENANCE FAULTED THE VERTICIAL GYRO, SN 461. REPLACED WITH SERVICABLE UNIT SN 2379, SYS GROUND FUNCTION CHECKED SERVICABLE.SDR HNAA2011121600426Gyro · failedSTANDBY ATTITUDE INDICATOR CONTINUE TO TUMBLE AFTER PULLING ERECT KNOB. R & R STANDBY ATTITUDE GYRO. TESTED GOOD IAW MM 34-22-01.SDR CA111219013Gyro · malfunctioned(CAN) ON A ROUTINE FLIGHT PILOT REPORTED LT EADI INDICATING A 5 DEGREE AND THEN DRIFTED TO A 10 DEGREE BANK ANGLE IN FLIGHT, WHEN ACFT WAS CONFIRMED LEVEL. AN AVIONICS SHOP LTD WAS CONTRACTED VIA PURCHASE ORDER TO TROUBLESHOOT AND REPAIR AS NESSECARRY. SHOP F
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