JASC 3400

Service difficulty reports · 693

Reports filed under 3400 · Navigation 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 = '3400'
  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 CALA2025051204618Switch · out of positionAIRSPEED INDICATORS SHOWING/RED LINING AT 268 KNOTS CREW DEBRIEF REPORTS AIRSPEED INDICATON ON ALL FLIGHT DECK INDICATORS MATCHED. ON TAKEOFF AIRSPEED WAS NORMAL WITH FLAPS DOWN, CREW RETRACTED FLAPS AND NOTICED AIRSPEED RED FLAG SHOWED AT 268 KNOTS. WHEN CREWMay 8, 2025 · N17133 · Boeing 757224SDR DXTA2025042503180Probe · inoperativeWHILE IN CRUISE, RECEIVED BOTH ON ADC 2 AMBER CAS. FOLLOWED THE CORRESPONDING QRH. THE QRC DIRECTED THE LEFT SEAT PILOT TO SWITCH THE ADC TO THE NORMAL SIDE, THE GARMIN SWITCHED IT BACK TO SIDE 2 AFTER A SHORT PERIOD. RECEIVED SEVERAL HARD JERKS IN RUDDER PEDApr 22, 2025 · N922QS · Cessna 680ASDR 2025F00099Sensor · activeGPWS ACTIVATED DURING APP RWY 2G PEI.Apr 22, 2025 · N728AV · Airbus A320214SDR 2025FA0000398Avionics Unit · warning lightCESSNA CITATION CE525 WITH GARMIN G3000 AVIONICS PACKAGE. AIRCRAFT DEPARTED SLC FOR FFZ. THE NAV DATA CYCLE RENEWED ON APRIL 17 BUT WAS AVAILABLE FOR DOWNLOAD 5 DAYS PRIOR. PILOT PERFORMED THE UPLOAD ON APRIL 15. A STEP IN THE UPLOAD PROCEDURE IS AVIONICS RESTApr 17, 2025 · N464BH · Cessna 525SDR 2025FA0000225Display · defectivePRIOR TO DEPARTING TE 30 THE RIGHT COCKPIT DISPLAY UNIT EXPERIENCED A CPU FAULT MESSAGE.Mar 31, 2025 · N428CF · Bell 429SDR SWI2025F00386Aoa · failedAOA LIMIT FAIL, AT FAIL, AP FAIL, AT 34000 FT, STICKER AND LOW SPEED QUE SHOOTING UP. AIRSPEED WAS NOT SLOW, INDICATING PROPERLY. (FLIGHT 5916 - FILED OPEN) THIS IS CURRENTLY A WORK IN PROGRESSMar 17, 2025 · N610UX · Emb ERJ170200LLSDR QMLA2025030320031Indicator · malfunctionedDURING STARTUP OF ENGINE 1, THE TOT GAUGE DISAPPEARED AND CAUSED THE ENGINE START SEQUENCE TO ABORT AND DISPLAY A FLI_DEGR CAUTION MESSAGE. CLEANED CONNECTIONS, FUNCTIONAL CHECKS GOOD.Mar 2, 2025 · N28WS · Urocop EC135T2SDR CALA2025022802527Light · false activationIRS LIGHT ON UPON RECALL PER FORMED ILS OPS CHECK PER FIM 34-31-00-710-801, NO FAULTS NOTED.Feb 25, 2025 · N17306 · Boeing 7378SDR DALA2025022501464Vsi · odorSHIP 1707 -SMKE/DE- CREW REPORTED BRIEF AND QUICKLY DISSIPATING SMOKE ACCOMPANIED BY AN ELECTRICAL SMELL COMING FROM CAPTAIN VSI. AN EMERGENCY WAS DECLARED WITH ATC. CORRECTIVE ACTION: MAINTENANCE REPLACED THE CAPTAIN VSI. (LP #6768098)Feb 24, 2025 · N177DZ · Boeing 767332SDR G13A20250214001Warning Message · illuminatedAT FL380 ENROUTE AN IAS AND MACH TRIM FAIL MESSAGE CAME ON WHICH DISABLED THE AUTOPILOT AND YAW DAMPENER. AFTER ESTABLISHING CONTROL WE BEGAN RUNNING THE CHECKLIST WHICH DIRECTED US TO REDUCE SPEED TO MACH .73. WE WERE UNABLE TO GET RID OF THE IAS FLAG WITHOUTFeb 14, 2025 · N202LG · Raythn HAWKER800XPSDR ABXA20250115010Iru · malfunctionedDURING TAXI THE CTR IRU FAIL APPEARED , AC RETURNED TO THE GATE (BTB) MTX GROUNDED AC AND MTX REMOVED AND REPLACED CENTER IRU UNIT IAW AMM 34-21-00 OPS CHECK GOOD A/C DOWNGRADED CAT I PENDING TEST 30-40 MTX RETURNED AC TO SERVICE.Jan 15, 2025 · N762CK · Boeing 7673P6SDR HNAA2024121701228Unknown · faultedDUAL RED X'S DISPLAYED ON LOC DURING APPROACH TO CLT 36R WITH-IN 15 MILES. DIVERTED TO CAE AND C/W R-NAV APPROACH. FACT 16DEC24 11:34 CAE PERFORMED VOR/ILS/GS/MB ADJUSTEMENT TEST IAW AMM 34-32-00 OPS CHECK GOOD AC OK FOR SERVICEDec 16, 2024 · N659AE · Emb EMB145LRSDR SWI2025F00203Static Port · damagedS/N 0733RH PITOT STATIC PORT CUT-OUT HAS TOOLING MARKS AND PITTING ON LANDING. FLAGGED (C-CHECK RO 2/26/2025) REMOVED AND INSTALLED NEW PITOT MOUNTING PLATE IAW DWG-CC670-33015 REV-G CRJ 900 SRM 51-42-06-001-001-A01 AND CRJ 900 SRM 51-42-21-001-001-A01Dec 4, 2024 · N809SK · Cndair CL6002D24SDR 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 Dec 2, 2024 · N391CM · Boeing 767381SDR HNAA2024112601133Eicas · false indicationLOST EICAS DISPLAY DURING EVALUATION FLIGHT. EMERGENCY DECLARED. FACT 26NOV24 05:11 CLT DURING GROUND RUN EICAS REMAINED NORMAL ACFT OK FOR SERVICENov 25, 2024 · N660CL · Emb EMB145LRSDR CALA2024111801173Adiru · faultedCPT HEADNG INFO MISSING INFLIGHT UPDATED MAA CODE FIX USING VENDOR MAA SCREEN PLEASE CONTACT TOMC BEFORE COMMENCING ANY WORK. OPS TEST PER AMM 34-21-00 MAC METER INITIATED FOR WITH MAC RELATED WORK ORDER 000000003122422 FOUND FAULT 32-21009 IN #1 ADIRU, RAN ADNov 14, 2024 · N67846 · Boeing 737924ERSDR QXEA2024111200267Unknown · unknownFLIGHT 2113. ON TAKEOFF, FLIGHT MODE DID NOT CHANGE FROM TO/GA TO CLIMB SEQUENCE. NAV BUTTON DID NOT WORK, VOR/ILS ONLY. NO EICAS MESSAGES OR CIRCUIT BREAKERS PRESENT TO INDICATE CAUSE. RETURNED TO FIELD LANDING UNEVENTFUL. REMOVED FROM SERVICE. NO ACTIVE FANov 11, 2024 · N665QX · Emb ERJ170200LRSDR CALA2024111201115Adiru · faultedRIGHT IRS FAULT AT FL330 1HR IN. AND SPEED TRIM FAIL. PERFORMED FIM 34-21 TASK 826. MAINT MESSAGE 34-22992 SHOWS AS AN ACTIVE FAULT. FIRST STEP IN FIM IS TO REPLACE RIGHT ADIRU PER AMM TASK 34-21-01-000-801. PERFORMED FIM 34-21 TASK 826;REMOVED AND REPLACED Nov 10, 2024 · N37549 · Boeing 7379SDR FDEA202411081649Power Unit · failedDURING PREFLIGHT , A STRONG ACRID SMELL WAS EVIDENT IN THE COCKPIT. TURNING ON PACKS DID NOT CHANGE THE SMELL. REMOVED AND REPLACED THE HUD OPU IAW AMM :31-82-02-4.COMPLIED WITH E..A. 1-3182- T0381273 REV NO. POS. P2. AND ALL C/B'S CLOSED. PERFORMED HUD Nov 8, 2024 · N618FE · Doug MD11FSDR CALA2024102800937Warning Message · false indicationAILOCKOUT / ENG EEC MODE L AND R / ELEV FEEL / RUDDER RATIO ALL SEEN AFTER FO IAS FAIL.DUE TO THE RELATED FAULT MESSAGES IT'S NECESSARY TO PERFOM THESE TESTS AS FOLLOW: TEST RUDDER RATIO-CHANGER SYSTEM USING YSM BITE IAW AMM 27-21-00-715-001-002, EEC STATIC TEOct 25, 2024 · N67052 · Boeing 767424ERSDR AALA202409130510Transmitter · warning messageAIRCRAFT WAS GROUNDED: REPEAT ITEM, LANDING GEAR WARNING HORN SOUNDED ON DESCENT PASSING 11,000' WITH GEAR UP AND HANDLE OFF. WHEN GEAR DOWN SELECTED ON APPROACH, THE MAIN GEAR WERE SLOW TO DROP GIVING THE DISAGREE HORN AGAIN. TROUBLE SHOT PER WDM 34-33-11, FOSep 12, 2024 · N895NN · Boeing 737823SDR AALA202409131342Antenna · warning messageAIRCRAFT WAS GROUNDED: REPEAT ITEM, LANDING GEAR WARNING HORN SOUNDED ON DESCENT PASSING 11,000' WITH GEAR UP AND HANDLE OFF. WHEN GEAR DOWN SELECTED ON APPROACH, THE MAIN GEAR WERE SLOW TO DROP GIVING THE DISAGREE HORN AGAIN. TROUBLE SHOT PER WDM 34-33-11, FOSep 12, 2024 · N895NN · Boeing 737823SDR CALA2024090300539Aoa · faultyIAS DISAGREE AT 100KTS F/O 100KTS.CA 70 KTS RTO.RETURNING TO GAT E ACCOMPLISHED PITOT STATIC SYSTEM FLUSHING REF AMM34-11-00-170-802. FOUND TO DEBRIS DURING FLUSHING PROCESS. FOUND MAINT MESSAGE 31-03120. REPLACED #2 ADM NO HELP. LATER FOUND MAINT MESSAGE 31-0Aug 31, 2024 · N27276 · Boeing 7378SDR ABXA20240813154Control Panel · malfunctionedATC FAIL LIGHT ILLUMINATED DURING PUSH BACK AC RETURNED TO GATE AND MTX GROUNDED AC, MTX TROUBLE SHOT THEY REMOVED AND REPLACED TRANSPONDER CONTROL PANEL IAW B767 AMM 34-53-02 OPS CHECK GOOD MTX RETURNED AC TO SERVICE .Aug 13, 2024 · N650GT · Boeing 767231SDR CVGA20240729003Unknown · unknownLOST HEADING INFORMATION ON SDU, CDU, MFD - AIRPLANE DIDN'T KNOW WHERE IT WAS IN RELATION TO AIRPORT OR GUIDANCE. TROUBLESHOT AS REQUIRED WITH FSR. PERFORMED AHRS TEST IAW BEECHCRAFT 400 AMM 34-20-01. OPS CHECK GOOD. PERFORMED FMS INTITIALIZATION IAW COLLINS AJul 26, 2024 · N491TM · Beech 400ASDR DALA2024072107306Electronic Unit · hotSHIP 3269 DISC: ON TAXI OUT, FA'S REPORTED A SMOKE SMELL FROM VENT @ 1A. NO VISIBLE SMOKE WAS OBSERVED. WAS DESCRIBED AS A PLASTIC SMELL. NO SMELL OBSERVED ELSEWHERE IN CABIN. C/A: T/S PER A320 CARD 0500-2002. FOUND PANASONIC HDD-OML DATA LOADER AND RACK EXTREJul 20, 2024 · N369NW · Airbus A320212SDR FXTA20240729002Battery · no testSTANDBY INDICATOR BATTERY FAILED PREFLIGHT TEST AND WOULD NOT CHARGE.Jul 17, 2024 · N408BA · Textrn 408SDR CALA2024070500140Irs · faultedIRS L DRIFT VERIFY POS FOLLOWED BY 20 DEG PITCH DOWN CA PFD AT FL370. FOUND LT ADIRU FAULT LIGHT ON. PERFORMED BITE PER FIM 34-21 TASK 801. MAIN MSG 34-21002, 34-21037, 34-21003 AND 34-21004 WERE SHOWN. ATTEMPTED REALIGNMENT MULTIPLE TIMES WITH NO SUCCESS. AWAJul 2, 2024 · N14731 · Boeing 737724SDR ABXA20240618115Indicator · faultedLOST FLIGHT DIRECTOR DURING PUSHBACK AC RETURNED TO THE GATE AND MAINTENANCE GROUNDED ACFT AND TRANSFERED POWER FD CAME BACK C/W MCDP GROUND TEST 30 IAW AMM 22-00-01. ALL INDICATIONS NORMAL A/C REMAINS CAT 3B OPERATIONAL RETURNED AC TO SERVICEJun 18, 2024 · N364CM · Boeing 767338SDR CALA2024061401797Module · unreliableAIRSPEED UNRELIABLE, FIRST OFFICER AND STANDBY. REMOVED AND REPLACED AIR DATA MODULE PER AMM 34-21-04, BLEW OUT :1 PITOT PROBES. PERFORMED TEST WITH DPS 1000, ALL INDICATIONS ROTABLE PARTS CHANGE WAS INDICATED - TT # 1722353 SN OFF 4126 NORMAL. LAND VERIFY PEJun 12, 2024 · N73278 · Boeing 737824SDR 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.Jun 12, 2024 · N391CM · Boeing 767338SDR AALA202406062872Concentrator · warning messageAIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT RETURNED TO DFW DUE TO A FLIGHT CONTROL DATA CONCENTRATOR #1 FAULT MESSAGE DURING CLIMBOUT, OUT OF 5000 FEET. THE AIRCRAFT LANDED SAFELY AT DFW AND TAXIED TO THE GATE UNDER ITS OWN POWER. MAINTEJun 4, 2024 · N9016 · Airbus A319115SDR RJEF20240603001Avionics Unit · faultedDURING TAKEOFF FOLLOWING MESSAGE APPEARS: "VENT BLOWER/EXTRACT FAULT". THIS GENERATED A PRESSURIZATION FAILURE. REPLACED THE AEVC(10HQ) REF AMM 21-26-34-000-001 AND AMM 21-26-34-100-001 AND PERFORMED OPS TEST IAW AMM 21-26-51-710-051-A ALL OK.Jun 3, 2024 · N779AV · Airbus A320251NSDR SIMA20240529002Warning Message · illuminatedADS 1,2,3 HTR FAIL MESSAGE ON EICAS. "TRANSFERRED TO NRWC 000-DFW-02316" REF NRWC 000-DFW-02316 AND 02317 FOR WORK DETAIL , RAR K0016 AND XK0016May 29, 2024 · N200NN · Emb ERJ170200LRSDR ABXA20240529102Indicator · unknownDURING TAXI STBY ATI IS NOT INDICATING ZERO ANU ON THE GROUND. AIRCRAFT RETURNED TO GATE. MAINTENANCE GROUNDED AIRCRAFT. PERFORMED ISU ADJUSTMENT/TEST PER ALTITUDE LEVEL AND REMAINED SO AFTER CYCLING POWER NO FURTHER DEFECTS NOTED PER ISU AMM SUPP 34-13-09. AIMay 29, 2024 · N226CY · Boeing 767383SDR 2024FA0000388Processing Unit · smokePILOT REPORTS “L SIDE EADI WENT BLANK FOLLOWED BY STRONG, VISIBLE SMOKE IN THE COCKPIT. NO CB'S POPPED AT TIME OF FAILURE. DPU1 IN AVIONICS BAY FOUND TO BE THE ISSUE. REMOVED & REPLACED DPU1. OPS CHECKS GOOD AT THIS TIME.May 23, 2024 · N329AE · Saab 340BSDR 2024FA0000387Processing Unit · smokePILOT REPORTS “L SIDE EADI WENT BLANK FOLLOWED BY STRONG, VISIBLE SMOKE IN THE COCKPIT. NO CB'S POPPED AT TIME OF FAILURE. DPU1 IN AVIONICS BAY FOUND TO BE THE ISSUE. REMOVED AND REPLACED DPU1. OPS CHECKS GOOD AT THIS TIME. PART REMOVED:P/N 622-7713-004, S/N May 23, 2024 · N329AE · Saab 340BSDR DALA2024051705301Computer · faultySHIP 3152 ELECTRICAL SMELL OVER CENTRAL PEDESTAL. CORRECTIVE ACTION: REMOVED & REPLACED PHC 3 PER A319 AMM 30-31-34 PB401. OPS CHK GOOD. (5292458)May 17, 2024 · N352NB · Airbus A319114SDR CALA2024042901261Display · faultedREJECTED T/O FOR 20 KNOT IAS DISAGREMENT AND IAS DISAGREEMENT L IGHT ILLUMINATED UPDATED MAA CODE FIX USING VENDOR MAA SCREEN UPDATED MAA CODE FIX USING VENDOR MAA SCREEN MAC. ACCOMPLISHED ALIGNMENT FROM ISDU PER AMM 34-21-00-820-802. BOTH IRUS ALIGNED , NOApr 22, 2024 · N38424 · Boeing 737924ERSDR CALA2024042201166Adiru · inoperativeIRS 2 FO SIDE IN FLIGHT LEAD TO DIVERSION. SPEED TRIM FAIL ON RE CALL. MAINT LIGHT ON TOUCHDOWN ON OMF EXISTING FLIGHT DECK EFFECTS R ADIR FAULTED. AS WELL AS STAB/TRIM TEST NO. 60.32 , TEST PASSED . FAULT CORRECTED. MAINT FAULT LIGHT ON MODE SELECT UNIT FOR RApr 19, 2024 · N7283 · Boeing 7378SDR ABXA2024041500279Unknown · multiple failDURING TAXI OUT, THE FOLLOWING ABNORMALITIES OCCURRED; BOTH CAPTAIN & FO PFDS & MAP DISPLAYS WENT BLANK, STAND BY HORIZON WENT BLANK, BOTH FMCS WENT BLANK, A FULL DISPLAY OF EICAS MESSAGES ASSOCIATED WITH LOSS OF AFFECTED SYS APPEARED THEY DISAPPEARED WITHINApr 12, 2024 · N760CK · Boeing 767341SDR 2024FA0000312Gps · inoperativeTAKE OFF ABORTED GNS530W (COM/NAV) WARNING LOSS OF GPS.Apr 12, 2024 · N27EH · Cessna 335SDR DALA2024041104315Adiru · faultedSHIP 3822 -DIV- TO TPA DUE TO AUTOPILOT AND AUTOTHROTTLE DISCONNECT WITH BOTH FLIGHT DIRECTORS INOP. CORRECTIVE ACTION: LEFT AND RIGHT ADIRU FAULTED TAT PROBE. REPLACED TOTAL AIR TEMP PROBE. A/C RTSApr 11, 2024 · N822DN · Boeing 737932ERSDR CALA2024041001022Switch · transposedPER CREW VERBAL AIRCRAFT SPEED WOULD NOT ADVANCE PAST 270 KTS. AIRSPEED WOULD ALSO NOT TRANFER OVER TO MACH. FOUND ALTERNATE VMO/MMO SWITCH IN THE ALTERNATE POSITION. PLACED SWITCH IN NORMAL POSITION AND VERIFIED ADR LABEL 270 BIT, REF AMM 57-31-21-400-802 ANDApr 7, 2024 · N37313 · Boeing 7378SDR CALA2024041001023Computer · out of toleranceL WING LEAK DISPLAYED ON UPPER ECAM SCREEN. - AIR REF WING LEAK, FOLLOW MT 21-004 INSTRUCTIONS FOR FURTHER TROUBLESHOOTING. INSPECTED LH BLEED DUCT AND SENSING ELEMENTS REF AMM 36-22-16 NO DEFECTS NOTED. CHRONIC LEVEL-1 AIR BLEED MSG IN CRUISE. USE TSM 36-22-0Apr 6, 2024 · N894UA · Airbus A319132SDR AALA202404041502Warning System · unknownAIRCRAFT WAS NOT GROUNDED: DURRING CRUISE. ALTITUDE CALLOUTS , WINDSHEAR SYS, GROUND PROX SYS MESSAGES DISPLAYED ON EICAS. MAINTENANCE T/S PER FIM 34-46-00-810-803. FOUND F/C 34-46891. ACCOMPLISHED GROUND PROX WARNING SYSTEM TEST IAW AMM 34-46-00-730-804-002Apr 3, 2024 · N718AN · Boeing 777323ERSDR 2024F00120Processor · malfunctionedBOTH NAVIGATION DISPLAYS HDG FAILED, AND VNAV FAILED.Mar 29, 2024 · N804WA · Doug DC983SDR 2024F00053Hose · deterioratedWHILE TAXIING OUT AT 0630 IN KBIL ENROUTE KMLS, PILOT REPORTED THAT LEFT AIRSPEED INDICATOR NEVER ROSE ABOVE 0. AVIONICS TROUBLESHOT AND FOUND A ROTTED HOSE TO LEFT PITOT PROBE. REPLACED HOSE AND PRESSURE LEAK CHECK OK.Mar 7, 2024 · N667CC · Beech B200SDR YENA2024022900303Gasket · leakingFLT#1680, FLL-DCA. 'DURING CRUISE FLIGHT AT FL310 THE FLIGHT ATT CALLED AND STATED THERE WAS AN EXTREMELY LOUD AIR SEAL TYPE NOISE AT ROW 3 A/C LEFT. CONFIRMED BY DH CA TO BE VERY UNUSUAL WEAR WINDOW 3A; REPLACED AOA SENSOR 3FP1 SEAL ON LH FUSALAGE AND REPLACEFeb 27, 2024 · N508JL · Airbus A320232SDR AALA202402269798Irs · failedAIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: BOTH IRS FAILED AFTER TAKEOFF, AIRCRAFT RETURN TO AND LANDED SAFELY AT MBJ. **SUPPLEMENTAL REPORT WILL BE SUBMITTED**(OPEN).Feb 25, 2024 · N971AN · Boeing 737823
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