JASC 3420
Service difficulty reports · 772
Reports filed under 3420 · Attitude and Direction Data 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 = '3420' 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 = '3420' 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 CA130304008Ahrs · failed(CAN) GROUND TROUBLESHOOTING AND TEST FLIGHTS CARRIED OUT TO DETERMINE CAUSE OF RE-CURRENT, INTERMITTENT HEADING MISCOMPARES BETWEEN CHANNELS A & B AND SPLITS FROM THE STANDBY AHRS HEADING INDICATION DURING NORTHERN OPERATIONS. TEST FLIGHTS C/O WITH COMPONANTSDR CA130212023Ahrs · failed(CAN) PILOT NOTED ON MULTIPLE OCCASIONS THE HEADING MISCOMPARE FLAG IN VIEW. IN CRUISE HEADING WOULD DRIFT ON THE CO-PILOTS PFD UP TO 14 DEGREES AND DRIFT BACK. WHEN COMPARING HEADINGS WITH THE STAND ALONE SAND INSTRUMENT, THE NR 1 SIDE, PILOT PFD, DID NOT DSDR DJFA20121111001Iru · failedCREW REPORTED IRS AND FMS FAILURE PRIOR TO DEPARTURE. MX FOUND NR 2 IRU TO HAVE SMOKE IN IT WHEN IT WAS OPENED UP. THE IRU WAS REPLACED.SDR 6CBA20121107123Ahrs · faultyPILOT REPORTED MULTIPLE FAILURES OF PILOTS SIDE PFD AND COPILOTS PFD. MULTIPLE CAS MESSAGES. THE KSG7200 (ADAHRS) WAS FOUND TO BE FAULTY. IT WAS R & R IAW THE AMM 12-B-34-25-01-00A-920A-A, THE SYS TESTED GOOD WITH NO OTHER DEFECTS NOTED IAW 12-B-34-25-00-00SDR GLBA2012102500089Control Head · failedPILOT REPORTED THAT THE NR 1 ADF CIRCUIT BREAKER TRIPPED ASSOCIATED WITH A BURNING ODOR. MX REPLACED THE CONTROL HEAD AND THE COMPUTER, OPS CHECKED GOOD.SDR UALA2012091305172Indicator · faultyATT INDICATION OF STNDBY ATT IND IS ABNORMAL IN PITCH, ROLL, ETC. GYRO FLAG IS RETRACTED. SEE LOG BOOK FOR DETAILS. SHOWS 7 DEGREE LEFT BANK WHILE IN LEVEL LT. WORSE AFTER A TURN. REPLACED SAI PER AMM, OPS TESTED OKAY.SDR HNAA2012090500946Hsi · malfunctionedNR 2 HSI PERIODICALLY DISPLAYS HDG FLAG WITH SAHS. R & R NR 2 HSI. OPS CHECKED GOOD IAW AMM 34-26-01.SDR HYIA20120904001Hsi · failedDURING CRUISE, THE PILOT NOTED A THE ODOR OF SMOKE IN THE COCKPIT. AN UNSCHEDULED LANDING WAS MADE. THE PROBLEM WAS TROUBLESHOT TO A PICK UP IN THE HSI. THE HSI WAS R & R.SDR CA120811004Processor · failed(CAN) ON A ROUTINE FLIGHT, THROUGH THE CLIMBOUT THE RT ELECTRONIC HEADING SITUATIONAL INDICATOR DISPLAYED A FAILED FLAG BUT SEEMED TO FUNCTION NORMALLY. THE CREW CONTINUED WITHOUT INCIDENT, MAINTENANCE DISCOVERED A FAILED DATA PROCESSOR UNIT, THE UNIT WAS REPSDR UALA2012071603819Display · failedHSI CIRCUIT BREAKER TRIPPED AND SMOKE CAME FROM BACK OF CAPTAIN'S INSTRUMENT PANEL. CHECKED WIRING AT P1-1, P1 -3 AND P11 C-B PANEL. CHECKED OK. FOUND CAPTAIN`S EHSI HAD BURNING ODOR. ALSO FOUND CAPTAIN`S AND FIRST OFFICER`S EHSI HAD MR41814 INSTALLED. RESDR CA120719011Computer · failed(CAN) ON CLIMBOUT, CAPTAIN SIDE AHARS WAS LOST THEN CAME BACK. ALL HEADING INDICATIONS WERE OFF BY 30-40 DEGREES, THEN FO`S SIDE AHARS WAS LOST UNTIL DOWNWIND INTO DESTINATION.SDR SIMA20120714002Computer · inoperativeFLIGHT 3879, CREW REPORTED SHORTLY AFTER TAKE OFF, CAPTAIN`S AHARS WAS LOST THEN CAME BACK. ALL THREE HEADING INDICATIONS WERE OFF BY 30-40 DEGREES, THEN FIRST OFFICER’S AHARS WAS LOST UNTIL DOWNWIND INTO DESTINATION. DECLARED AN EMERGENCY AND RETURNED. AIRSDR CA120709008Hsi · faulty(CAN) ON A ROUTINE FLIGHT, THE PILOT NOTICED ON THE CLIMBOUT THAT THE CO-PILOT ATTITUDE INDICATOR (ADI) WAS SLOW TO ERRECT AND LAZEY. MAINTENANCE REPLACED THE HSI, HORIZ SITUATION INDICATOR, AND GROUND FUNCTION CHECKED THE SYS SERVICABLE.SDR A6WA201240583Indicator · inaccurateAFTER DEPARTURE AT 80 KNOTS, NOTED STANDBY ATTITUDE INDICATING ZERO KNOTS. RETURNED TO DEPARTURE. PRUGED P3 SYS, REPLACED P3 DRAIN AND STANDBY IAS/ALT IAW AMM 34-12-01. OPS CHECKED GOOD. PITOT STATIC LEAK CHECK PASSED IAW AMM 34-11-00. OPS CHECK GOOD OK FSDR IXXA20120605015Amplifier · failedCAPTAINS HSI AND ADI FAILED AFTER TAKEOFF. RETURNED TO ORIGINATING STATION. PERFORMED OVERWEIGHT LANDING INSP IAW MM 5-50-0 AND MM 13.01.05. NO DISCREPANCIES NOTED. R & R INSTRUMENT AMPLIFIER IAW MM 34-23-00. OPS CHECKED GOOD.SDR IXXA20120605014Gyro · failedCAPTAINS HSI AND ADI FAILED AFTER INITIAL CLIMBOUT AND LEVEL OFF AT CRUISE ALTITUDE. RETURNED TO ORIGINATING STATION. R & R NR 1 FOG GYRO IAW MM 34-11-25. OPS CHECKED GOOD.SDR CA120627011Ahrs · failed(CAN) MULTIPLE FAILURE MESSAGES ON PFD 1. PFD1 MON FAIL ON ED. AFCS FAIL ON PFD1. CAS INSTRUMENTS ALL HAVE RED FLAGS. MAINTENANCE REPLACED THE NR 1 AHRS.SDR CA120514003Computer · failed(CAN) ON CLIMB OUT, THE FLIGHT CREW EXPERIENCED A DOUBLE, ATTITUDE AND REF SYS FAILURE. FLIGHT RETURNED TO DEPARTURE AND LANDED SAFELY. BOTH UNITS REPLACED WERE REPLACED AND TESTED SERVICEABLE. NOTE: THE 2ND UNIT, TSN: 39786, TSO: 39786.SDR CA120416002Adiru · failed(CAN) AIR TURNBACK DUE IRS INOPERATIVE. ACFT HAD NR 2 IRS INOPERATIVE. RT IRS FAULT LIGHT ILLIMINATED IN FLIGHT. NR 2 ADIRU REPLACED AND TESTED SERVICABLE IAW MM 34-21-01. THIS DIVERSION WAS OPS IN NATURE DUE TO PARTS AND MANPOWER AVAILABILITY AT BASES IN SDR 5APR20120325112Display · faultyPILOT REPORTS"EADI ON LT SIDE ZOOMS IN AND OUT GOING BLACK ON OCCASION." THE LT EADI PN 066-03125-2500 WAS FOUND TO BE FAULTY. IT WAS R & R WITH A SERVICEABLE UNIT OF THE SAME PN, IAW THE AMM 12-A-34-26-03-00A-920A-A AND TESTED GOOD IAW 12-A-34-26-00-00A-903BSDR IPXA2672211Eadi · shortedAIR TURNBACK, SMOKE IN COCKPIT ON ARRIVAL AFTER CREW DEBRIEFING, FOUND EADI BLANK WITH ASSOCIATED CIRCUIT BREAKER POPPED. PERFORMED WIRING CHECKED FROM EADI TO SYMBOL GENERATOR, & FROM EADI TO EFIS CONTROL PANEL AND FROM EADI TO EHSI, NOT ABNORMAL, NOTED REF SDR ASOA20120229018Fan · overheatedCREW REPORTED SMOKE IN CABIN IN FLIGHT. MX R & R NR 2 AHRS FAN FOR OVERHEATING AND INOPERATIVE IAW AMM 34-21-03 WITH OPS CHECK SUCCESSFUL. ACFT APPROVED FOR RETURN TO SERVICE.SDR HALA2012021100058Symbol Generator · failedCAPTAIN`S ADI AND HSI WENT BLANK WITH SG FAIL MESSAGE DISPLAYED IN BOTH INDICATORS. CYCLED "ALTN EFI" OPS RETURNED TO NORMAL/GOOD. R & R NR 1 SYMBOL GENERATOR, GROUND CHECKED OK IAW AMM 34-22-01, GROUND TEST 30 PASSED. ACFT REMAINS IN LAND 3 STATUS.SDR HALA2012010100002Warning Light · illuminatedETOPS SIGNIFICANT SYS - EICAS MESSAGE TRACK FAIL ILLUMINATED AFTER TAKEOFF. PERFORMED TROUBLESHOOTING, PLACED IECAS COMPUTER SELECTED SWITCH TO ALTERNATE POSITION, OPENED AND RESET CIRCUIT BREAKER TO EICAS COMPUTER. ALL CHECKED GOOD.SDR DJFA20111108046Control Panel · overheatedDURING FLIGHT CREW REPORTED BURNING ODOR FROM THE PILOT'S COURSE/HEADING CONTROL PANEL WHEN THE COCKPIT LIGHTS ARE ILLUMINATED TO FULL BRIGHT. ADDITIONALLY, CREW REPORTED THE SAME PANEL FELT HOT TO THE TOUCH. MX COULD NOT FIND EVIDENCE OF OVERHEATING BUT THESDR SWIA201128415Indicator · failedSTANDBY ALTITUDE INDICATOR READS 6000FT HIGH. (FLT 6303) REPLACED STAND BY ALTITUDE INDICATOR. P/N: WL102AMS5 S/N OFF: AK091SDR HALA2011101300457Display · unknownETOPS SIGNIFICANT SYS - CAPTAIN`S FD PITCH BAR WENT OUT OF VIEW ON APPROACH AND NO AUTOLAND ANNUCIATED ON AUTOLAND STATUS. ACCOMPLISHED MCDP LAST FLIGHT FAULT READOUT SHOWED CTR ILS BEAM ERR NO AC FCC L AP CTR MODE ERR. PERFORMED MCDP TEST 30 AND AUTOLAND GSDR HALA2011101300456Indicator · malfunctionedETOPS SIGNIFICANT SYS - CAPTS FD PITCH BAR WENT OUT OF VIEW ON APPROCAH AND NO AUTOLAND ANNUCIATED ON AUTOLAND STATUS. ACCOMPLISHED MCDP LAST FLIGHT FAULT READOUT SHOWED CTR ILS BEAM ERR NO AC FCC L AP CTR MODE ERR. PERFORMED MCDP TEST 30 AND AUTOLAND GROUND SDR HNAA2011100600312Ahrs · failedAHRS DATA INVALID MESSAGE ON TAKEOFF WITH ASSOCIATED FD AND YD FAILURE. (NR 1 AHRS ALREADY ON MEL). R & R NR 2 AHRS COMPUTER IAW MM 34-20-06. OPS CHECKED GOOD.SDR DXTA2011091904728Display · failedATTITUDE AND HEADING ON PFD NR 1 AND HEADING ON MFD FAILED ENROUTE. R & R NR 1 AHRU IAW AMM 34-21-01. OPS CHECKED GOOD.SDR GLBA20110915ADisplay · failedCAPT'S EADI/EHSI FAILED IN FLIGHT. SMOKED DETECTED IN COCKPIT SMELLED ONLY PULLED FD NR 1 C/B. MX INSPECTED THE SYS AND CHECKED THE WIRING, REPLACED THE EADI SCREEN PN: 622-9681-001, SN 1139, OPS CK GOOD, NO ODOR NOTICED.SDR HALA2011082700392Display · distortedETOPS SIGNIFICANT SYS - CAPTAIN'S PFD/ADI DISPLAY FLICKERS, IS OUT OF FOCUS AND COLORS ARE DISTORTED. SWITCHING TO ALTERNATE EFI SOURCE DOESN'T HELP. PERFORMED FIM 34-22-00/101, FIG104, EFI SWITCH TO ALTERNATE ON CAPT'S SIDE AND OPS NORMAL. BACK TO NORMAL OFSDR UALA2011082204496Indicator · faultyFLT CREW REPORTING CAPT ADI BLANKING OUT, SWITCH TO ALT POSITION AND ADI ERRATIC. CAPT HSI ALL NORMAL. REPLACED THE CAPT'S EADI. INDICATIONS OK IN NORMAL AND ALTERNATE.SDR UALA2011081904414Control Panel · malfunctionedIRU & NAV LOSS, RTFL. PER CREW: LEFT IRS DC FAIL LIGHT CAME ON, THEN OFF WITH ALIGN LIGHT. CAPT LOST ADI HORIZON, F/O RDMI HAD 3 FLAGS IN VIEW, VSI HAD OFF FLAG IN VIEW. SAMC TEXT: CREW SELECTED ALT IRS ALL RESTORED TO NORMAL. CHECKED D367C POS 7&8 FOR LSDR HALA2011081600369Adi · failedETOPS SIGNIFICANT SYS - SECTION OF ADI GOES BLANK INTERMITTENTLY. FOUND CAPT ADI HOT AND COOLING SCREEN BLOCKED WITH DEBRIS, R & R CAPT ADI IAW AMM 34-22-03, OPS CHECKED GOOD.SDR IPXA1668525Indicator · failedON T/O AT 4000 FT CAPT EHSI BLANKING ON AND OFF THEN WENT BLANK. EADI CAPT DID THE SAME AT 6000 FT. THEN BOTH CAME BACK ON AT FLT 23000.CAPT EHSI WENT BLANK AND CB POPPED AND ELECTRICAL SMELL FOR LESS THAN 20 SEC. INSPECTED BOTH CONNECTOR AND REPLACED BOTH ESDR COMA2011080850052Unknown · malfunctionedEN ROUTE FROM CVG TO MSP, NAV NR 1 AND NR 2 FAILED. EMERGENCY DECLARED, A/C DIVERTED TO CID LANDED SAFELY. TESTED NAV NR 1 AND NR 2 WITH RAMP TEST, TEST SET IFR 4000. NO DEFECTS NOTED.SDR HALA2011080100346Iru · malfunctionedETOPS SIGNIFICANT SYS - BTB, ATT DISAGREE EICAS MESSAGE DURING TAXI. REPLACED LT IRU IAW AMM 34-21-01, ALIGNMENT CHECK OK.SDR C2XA11IA172Computer · inoperativeFLT 2391, CREW REPORTED TAHT THE CAPTAIN LOST ATT AND HDG TWICE DURING CLIMB. THE AIRCRAFT RETURNED TO EWR WITHOUT INCIDENT WHERE MAINTENANCE REMOVED AND REPLACED THE NUMBER ONE AHRS COMPUTER, OPERATIONALLY TESTED WITH NO DEFECTS, AND THE AIRCRAFT WAS APPROVESDR CA110725001Adiru · failedACFT WAS DISPATCHED WITH NR 3 ADR INOPERATIVE. AFTER DEPARTURE IN THE CLIMB, THE FLIGHT EXPERIENCED A FAILURE OF THE NR1 ADR AND ELECTED TO RETURN. NO EMERGENCY WAS DECLARED. THERE WAS NO ADVERSE PASSENGER REACTION OBSERVED REPLACED ADIRU 1 IAW AMM TASK 34-SDR QMLA2011062411072Indicator · failedUPON POWERING UP FOR TAKEOFF, THE PILOT AND MEDICAL CREW SMELLED NOXIOUS FUMES IN THE CABIN. AFTER INSPECTION IT WAS DETERMINED THAT THE EHSI INDICATOR HAD INTERNAL FAILURE. THE ITEM WAS PLACED ON THE DDL, MEL LIST, THE ACFT WAS FLOWN TO AUROR AND A REPLACEMSDR CA110610004Display · failedDURING CLIMB THROUGH FL 300, STBY HORIZON WENT OFF FOLLOWED BY STALL FAULT IND. FOLLOWED BY RUDDER LIMITER. ADVISORY INTEGRATED STANDBY INSTRUMENT REPLACED IAW AMM TASK 34-12-01-000-801/400-801 (CONFIG A01) REV 35, OPT IAW AMM TASK 34-12-01-710-801 (CONFIG A0SDR DXTA2011052304587Display · inoperativeIN FLIGHT, THE STANDBY ATTITUDE INDICATOR SCREEN WENT BLANK THEN DISPLAYED WARNING POWER NEEDS RESET. R & R STANDBY INDICATOR AND OPS CHECKED GOOD IAW MM 34-21-17.SDR CA110511002Ahrs · malfunctioned(CAN) ON TAKEOFF, CREW RECEIVED AN ATT FAIL ON LT EFFIS, CREW RETURNED TO LAND, AHARS UNIT REPLACED.SDR DXTA2011050204568Indication Sys · malfunctionedAT FL 430 ON A SOUTHERLY HEADING, HEADINGS WERE OFF 7 TO 8 DEGREES. WHEN WE TURNED EAST, HEADINGS WERE IN SYNC AND STAYED WITHIN 1 DEGREE. PERFORMED COMPASS SWING AND FOUND THAT THE HEADINGS WERE OFF NO MORE THAN 3 DEG. NOTED THAT THE SLAVE INDICATOR ON THE SDR DXTA2011042604563Indicator · inaccurateAUTOPILOT TRANSFERRED COPILOT, PILOTS SIDE ATTITUDE INDICATOR SHOWS DISCREPANCY WITH COPILOTS SIDE. INDICATES 2.5 DEGREES LOW IN CLIMB, 1 DEGREE LOW LEVEL FLIGHT. CHECKED FOR CURRENT CODES ON AIP SYS, NO CURRENT CODES AT THIS TIME. PERFORMED AHRS HEADING, PSDR DXTA2011042504554Ahrs · inoperativeNR 1 AND NR 2 EADI RED ATT FLAG WITH AMBER COMPUTER MON CAME ON CLIMBING THROUGH 10,000 FT. STAYED ON APPROX 4 MINUTES. R & R NR 2 AHRS IAW MM 34-20-15-401, TESTED NR 1 AND NR 2 AHRS IAW MM 34-20-15-501. NO FAULT FOUND.SDR HALA2011042400169Indicator · slowETOPS SIGNIFICANT SYS - IN LEVEL FLIGHT (2.5 ANU), THE STANDBY ATTITUDE INDICATOR SLOWLY PRECESSES - 20 DEG RT BANK/10 DEG ANU AT THIS TIME. INSTRUMENT IS ILLUMINATED. NO FLAGS, CAGED IT AND IT HAPPENED AGAIN. REPLACED STBY ATT INDICATOR OPS CHECK OK IAW MMSDR QXEA2011022100179Computer · failedELEVATOR FEEL CAUTION LIGHT ILLUMINATED IN CRUISE. RAN CHECKLIST SLOWED TO 200 KTS AND DIVERTED. CAPTAIN'S PFD AND MFD HAD "ATT FAIL ", "HDG FAIL", "IVSI FAIL" RED MESSAGED. FAILURE OCCURED AT 25,000 WITH -43 DEGREE C OAT. LANDING UNEVENTFUL. PERFORMED A CSDR HALA2011021300092Symbol Generator · intermittentETOPS SIGNIFICANT SYS - F/O'S ADI & HSI WENT BLANK SELECTING ALTN EF1 CORRECTED FAULT. FAULT APPEARS INTERMITTENTLY. REPLACED RT SYMBOL GENERATOR. OPS CHECK OK IAW MM 34-22-01 PERFORMED MCDP GND TEST 30 CHECK OK. LMP STATUS TO REMAIN IN "LAND3" MODE.
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