JASC 3445
Service difficulty reports · 214
Reports filed under 3445 · Air Collision Avoidance 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 = '3445' 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 = '3445' 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 AALA202609082369Tcas System · inoperativeAIRCRAFT WAS GROUNDED: RETURNED TO MIA ACCOUNT MAINTENANCE TCAS FAIL. EMERGENCY WAS NOT DECLARED AND AIRCRAFT WAS NOT OVERWEIGHT FOR LANDING. MAINTENANCE REPLACED TCAS COMPUTER IAW AMM 34-45-01.SDR CALA2026090719298Computer · faultedSTATUS MESSAGE, TCAS & NO AUTOLAND. R & R THE TCAS COMPUTER DUE TO PREVIOUS HISTORY IAW AMM 34-45-01-400-801. OPS CHKD GOOD, TCAS MSG WENT AWAY AND AUTOLAND MSG DOES NOT APPEAR.SDR CALA2026073118134Computer · faultyTCAS FAIL FLAG ON NAVIGATION DISPLAY SHOWS WITH ATC TRANSPONDER SELECTOR AT TA AND SHOWS WITH SELECTOR AT TA/RA FAULT NOT PRESENT, FOLLOWING FIM 34-45 TASK 821, TCAS OPERATIONAL CHECK PASSES AND TCAS BITE PASSES. FURTHER TROUBLESHOOTING REQUIRED. PERFORMED PSESDR CALA2026071417789Computer · faultyTCAS RA CLIMBING THRU 5000..CLIMB FOR 2000 FOLLOWED BY DESCEND WITH NO VISIBLE TRAFFIC, WORK WITH FIM 34-45 TASK 801. MTX WORKING ITEM REF LP 9587435 FOR WORK PERFORMED TCAS RA CLIMBING THRU 5000. CLIMB FOR 2000 FOLLOWED BY DESCEND WITH NO VISIBLE TRAFFIC RESDR CALA2026042815794Adiru · failedFLIGHT CREW REPORTED TCAS FAILED INFLIGHT FLAGGED FOR SDR REF FIM 34-45 TASK 801 BITE TEST OF TCAS FOUND HDNG FAULT. REMOVED AND REPLACED ADIRU 1 IAW AMM 34-21-01. ADIRU OPS CHECKED GOOD. TCAS OPS CHECKED GOOD IAW AMM 34-45-02-700-801-C2. PERFORMED LAND VERSDR IPXA2026020652253Antenna · faultedAIR TURN BACK, TCAS SYSTEM ADVISORY MESSAGE CHECK CMC PRESENT LEG FAULT.FND TCAS LOWER ANTENNA FAIL. REPLACED LOWER TACAS ANTENNA .PFM GOUND TEST PASS.PER AMM34-45-02.SYS BACK TO NML.SDR CALA2026012113127Computer · faultyTCAS FAIL FLAG SHOWS ON ND CAPTAIN'S. PERFORMED WIRING CHECK FOR TCAS TOP & BOTTOM ANTENNA & CHECKED TCAS COMPUTER UNIT IAW FIM 34-45 TASK 803, & WDM 34-45-21-10. WIRING CHKD GOOD, BUT FOUND TCAS COMPUTER UNIT FAILED. R & R THE TCAS COMPUTER UNIT IAW AMM 34SDR P5CA2026011500001Control Panel · faultedEICAS TRANSPONDER R STATUS MSG, EICAS TRANSPONDER L STATUS MSG, EICAS TCAS STATUS MSG. R & R TCAS CONTROL PANEL IAW B777 AMM 34-53-02. OPS CHECK GOOD.</P>)SDR AALA202507246550Computer · failedAIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: TACAS FAILED ON TAKEOFF AND CLIMB WOULD NOT RESET. AIRCRAFT AIR INTERRUPTED BACK TO AND LANDED SAFELY AT MIA. REMOVED AND REPLACED TCAS COMPUTER. PER AMM 34-45-01. OPERATIONAL CHECK GOOD.SDR CALA2025072306860Computer · unknownTCAS INOP, TCAS INOPERATIVE. TCAS FAIL BOTH TRANSPONDER COMPUTER, T/S IAW FIM 34-45 FAULT TREE 802. PERFORMED TCAS BITE PROCEDURE AND COULD NOT DUPLICATE FAULT. REMOVED AND REPLACED TCAS COMPUTER AS A PRECAUTION IAW AMM 34-45-01. OPS CHECK GOOD. NO FAULTS NOSDR CALA2025043004353Computer · faultedTCAS FAIL BOTH SIDES REMOVED AND INSTALLED TCAS COMPUTER. REF AMM 34-45-01. TCAS SYS TEST PASSED. REF AMM 34-45-01.SDR ABXA20250410074Tcas System · faultedDURING PUSHBACK GOT TCAS EICAS MSG. A/C RETURNED TO GATE (BTB) AND MTX GROUNDED A/C, MTX DEFERRED TCAS FOR DEPARTURE IAW MEL ABX-34-45-1A. AND RETURNED A/C TO SERVICESDR UIEA2025030190216Antenna · corrodedCORROSION ON BOTTOM TCAS ANTENNA.(<P>TCAS ANTENNA BOTTOM WAS REPLACED, ON P/N 071-50001-8102 S/N 582-34534, OFF P/N 071-50001-8102 S/N TLS33506. TEST SATISFACTORY. IAW. AMM 34-45-02-344-160 REV 144 DATE 22DEC24. TORQUE APPLIED 22.5 IN.LB S/N 924401137 DATE 30SSDR DALA2025021901270Coax · damagedSHIP 6715 -DIV- TO SLC DUE TO ERRONEOUS TCAS ADVISORIES. CORRECTIVE ACTION: DEFERRED TO MEL. (SUBSEQUENTLY WIRING AND COAX CHECKS PERFORMED AND SUPPRESSION CONNECTOR REPLACED.)SDR UIEA2024120101139Antenna · corrodedCORROSION ON BASE ANTENNA TCAS UPPER FUSELAGE(<P>TCAS ANTENNA WAS REPLACED WITH SATISFACTORY TEST IAW AMM 34-45-02-344-158. TORQUE APPLIED 20-LB-IN S/N 924401137 DATE 30/SEP/25 BONDING METTER 0.8 MILLI OHM S/N 80005870</P>)SDR UIEA2025010900009Antenna · corrodedUPPER TCAS ANTENNA WITH CORROSION ON THE BASE.(<P>6734A112/002 UPPER TCAS ANTENNA WITH CORROSION ON THE BASE. UPPER TCAS ANTENNA WAS REPLACED WITH SATISFACTORY TEST IAW AMM 34-45-02-344-158 AND 34-45-02 REV 143 DATE 22/AUG/24 TORQUE S/N 924401124 DATE 30/SEP/2SDR AALA202409302327Computer · inoperativeAIRCRAFT WAS GROUNDED: TCAS INOP BOTH TRANSPONDERS. RETURNED TO FIELD EMERGENCY DECLARED LANDED WITHOUT INCIDENT. REMOVED AND REPLACED TCAS COMPUTER IAW AMM 34-45-01.SDR 2024FA0000830Lidar · brokenTHE OBSTACLE AVOIDANCE SYSTEM DID NOT ACTIVATE WHEN IT CAME TO A TREE. (UAS)
SDR AALA202405076496Computer · faultedAIRCRAFT WAS GROUNDED: TCAS FAIL ILLUMINATED ON DEPARTURE AFTER A POSSIBLE STATIC DISCHARGE. FAIL LIGHT EXTINGUISHED ON DESCENT PASSING FL 180. MAINTENANCE FOUND MX MSG 34-45010, TCAS HAS A INTERNAL FAULT. DIVERTED TO JFK AS A PRECAUTION, NO EMERGENCY DECLAREDSDR ABXA2024042886Warning System · unknownON FIRST APPROACH TO MIA GPS WWARNING TERRAIN. A/C HAD GEAR/FLAPS DOWN AND WAS ON GLIDE SLOPE FOR RWY 9. SECOND APPROACH WAS NORMAL. MAINTENCE GROUNDED AC AND ACCOMPLISHED GPWS SYS TEST IAW AMM 34-46-00 FOUND NORMAL AT THIS TIME. RETUREN AC TO SERVICESDR DALA2024020901781Computer · inoperativeSHIP 6704 -ATB- DUE TO TCAS INOP. UNABLE TO CONTINUE DUE TO THEATER RESTRICTIONS. CORRECTIVE ACTION: REPLACED TCAS COMPUTER.SDR AALA202310025988Control Panel · warning messageAIRCRAFT WAS GROUNDED: TCAS AURAL ALERT "TCAS SYSTEM TEST OK" CONTINUES IN FLIGHT EVERY 15-30 SECONDS, BURNING ELECTRICAL ODOR FROM TCAS BOX PULLED CB K10. MAINTENANCE REPLACED ATC/TCAS CONTROL PANEL (AALA202310025988) PER AMM 34-52-10 AND TCAS PROCESSOR PER ASDR DALA2023090807358Unknown · unknownSHIP 3255 NAV TCAS ECAM MSG ON TAXI IN. CORRECTIVE ACTION: PERFORMED NAV TCAS BITE TEST PER A320 AMM 34-43 TEST PASSED. NO 30 DAYS HISTORY A/C OK TO SERVICE. (4172962)SDR UIEA2023080800774Unknown · unknownTCAS INOP(<P>PERFORMED TCAS OPS CHECK. OPC CHECK GOOD. PERFORMED TCAS GROUND TEST, TEST PASSED. PERFORMED LRU ATC LT & RT TEST, TEST GOOS IAW B747 AMM 34-45-00. TCAS SYS OPS NORMAL.</P>)SDR UIEA2023061400639Computer · unknownAT 2000 FT AFTER TAKEOFF, EICAS MSG "TCAS OFF" WHILE TRANSPONDER PROPERLY SET. ATC REPORTED BEING UNABLE TO SEE US ON THE RADAR. ALL CIRCUIT BREAKERS IN AND NO OTHER EICAS MESSAGES.(<P>REMOVED AND REPLACED TCAS COMPUTER PER TASK 34-45-00. TCAS GROUND TEST PASSSDR CALA2023051101453Computer · failedTCAS FAIL AFTER TAKEOFF INTERROGATED MAT AND PERFORMED TCAS SYSTEM TEST, FOUND MX MESAGE FAULTS PRESENT AT THIS TIME, OPS CHECK GOOD. PARTS USED: 34-49943 TCAS NO INPUT FROM RIGHT RAD ALT TRANSCIEVER. 29-3445-9-0009,QTY :1 TROUBLESHOT REF FIM 34-45-814, REMOVSDR 2023F00083Unknown · unknownTCAS FAIL ON GROUND. FLIGHT CANCELLED. CORRECTIVE ACTION: FAULT ISOLATION PERFORMED TH THE TCAS TOP ANTENNA IAW FIM 34-45 TASK 803 AND HAS BEEN FOUND CORROSION IN CONNECTOR. PERFORMED CLEANING OF CONNECTOR IAW 34-45 TASK 805 ITEM F (3)(B) OPERATIONAL TEST SATISDR 7C7A2023011730002Relay · failedTCAS INOP DURING CRUISE, DEFERRED TCAS SYSTEM. REPLACED RELAY 3452-K6 FOR FIXSDR UIEA2023011200016Tcas System · failedDUAL TCAS SYSTEM FAILURE AT CRUISE. CAN'T ENTER CHINESE AIRSPACE WITHOUT TCAS. AIR RETURN TO ICN. R & R RT CMC & OPS & SYS TEST OK IAW AMM 45-10-00/501. PERFORMED TCAS OPS & TCAS INTERFACE TEST, TEST OK IAW AMM 34-45-00/501.SDR 7C7A2022121300038Controller · failedTCAS FAIL. TCAS CONTROLLER WAS CHANGEDSDR 7C7A2022120700034Processing Unit · failedTCAS FAILED.SDR 9JLA2022091530493Tcas System · failedTHE FLIGHT CREW REPORTED THAT DURING PREFLIGHT CHECKS FINDING THE TCAS SYSTEM FAILED. THE SYSTEM WOULD NOT EVEN TEST. THE TCAS SYSTEM FAULT WAS DEFERRED ON MEL 34-45-01-00A. DURING THE MAINTENANCE EVENT, THE MAINTENANCE TEAM REMOVED AND REPLACED THE TCAS PROCESDR CALA2022083102231Skin · noneSUPPORT TASK - LOWER TCAS ANTENNA 4 EACH DOME NUTS FAIL BOND CHE CK. TRANSCRIBED FROM HAECO GSO NR 9284527. ALL WORK COMPLETED IAW HAECO PROGRESSIVE REO G24002. PERMANENT REPAIR TIME INTERVALS: 63,200 TOTAL FLIGHT CYCLES, INSPECTION IN TERVAL: TBD DTE DUE DASDR UIEA2022071500765Antenna · fault messageTCAS STATUS MESSAGE (REMOVED AND REPLACED TCAS COMPUTER AND TCAS LOWER ANTENNA IAW AMM 34-45-01 AND 34-45-02 BOTH OPS CHECKED& GOOD</P>)SDR 9JLA2022031524161Tcas System · failedTHE FLIGHT CREW REPORTED THAT THE TCAS SYSTEM FAILED PREFLIGHT CHECKS. OPERATIONS WERE CONTINUED PER MEL 34-45-02 CAT C. AT CORRECTIVE ACTION THE MAINTENANCE TEAM REMOVED AND REPLACED THE TCAS PROCESSOR WITH REPAIRED UNIT. OPS CHECKS WERE SATISFACTORY AND THE SDR VNAA202201289992Doubler · corrodedLOWER TCAS ANTENNA INTERNAL DOUBLER IS CORRODED.SDR 9JLA2021120612616Tcas System · defectiveTHE FLIGHT CREW REPORTED ON FLIGHT LEG #2 THE TCAS FAIL INTERMITTENT ON PRIMARY FLIGHT DISPLAY. THE MAINTENANCE TEAM TROUBLESHOT AND DETERMINED THE TCAS RECEIVER WAS DEFECTIVE. THE DEFECTIVE UNIT WAS REMOVED AND AN OVERHAULED UNIT WAS INSTALLED. OPS CHECKS WERSDR UIEA2021071601576Control Panel · failedTCAS/ ATC CONTROL PANEL FAILED, RELEASED SMOKE FROM DISPLAY. REF L/P 1390638/ M8 SMOKE OR FUMES IN THE CABIN, INSP. REQUIRED.(<P>REMOVED AND REPLACED TCAS/ATC CONTROL PANEL. OPS CHECK PASS. NO FAULTS AT THIS TIME IAW B767-300 AMM 34-53-02.</P> / <P>LP 1390638/SDR 9JLA2021080425522Comms Unit · failedTHE FLIGHT CREW REPORTED AN "ADS-B FAIL" MESSAGE ON BOTH RTU UNITS AND "TCAS FAIL" MESSAGES ON MFD. WHEN USING BOTH RTS'S ON TRANSPONDER 1, RTU 2 SCREEN REVERTS TO DASHES "------". THE MAINTENANCE TEAM REMOVED THE NO1 COMMUNICATIONS UNIT AND INSTALLED REPAIREDSDR 9JLA2022042624561Tcas System · failedTHE FLIGHT CREW REPORTED THAT UPON POWER UP THE TCAS FAILED INITIALIZATION. THE BASE MAINTENANCE TEAM DETERMINED THE TCAS PROCESSOR HAD FAILED. THE TCAS UNIT WAS REMOVED AND A TESTED TCAS UNIT WAS INSTALLED. OPS CHECKS WERE SATISFACTORY AND THE AIRCRAFT WAS RESDR SWIA2021072259681Antenna · corroded* TCAS ANTENNA HAS CORROSION INTERNALLY AROUND CANNON PLUG CUTOUT AT APROX. FS295.00 STR.27 (C-CHECK RO 7/20/2021) REMOVED AND REPLACED TCAS INNER CHANNEL AT FS295, STGR 27. REF. CRJ700 SRM 51-42-21-001-001-A01 & DWG#SH670-30023 REV G. COMPLIED 51-900-1SDR CALA2021033000399Transceiver · failedBOTH XPDR SYS FAILED AIR RETURN TO DENDUE TO INTL FLT TCAS FAULT DISPLAYED AT ENGINE START. REF TSM TASKS 34-43-00-810-820 AND 34-43-00-810-821-A, REF LMC LP 6055083 FOR GUIDANCE TO REPLACE TCAS COMPUTER. ACCOMPLISHED BITE TEST OF INSTALLED TCAS COMPUTER IAW ASDR A6WA202103227722Antenna · detached3819 - THOUGHT AT FLIGHT LEVEL 330 MAIN CABIN DOOR SEAL FAILED, INITIALLY HELD PRESSURE THEN CABIN STARTED TO CLIMB, DESCENDED TO FLIGHT LEVEL 200 THEN COULDN'T HOLD PRESSURE. FOUND ANTENNA ABOVE FLIGHT DECK SEPARATED FROM FUSELAGE. TCAS DIRECTIONAL SDR HNAA2021030200066Relay · failedDURING T/O ROLL AT ABOUT 30KTS, GPWS, TCAS, TERRAIN INOP EICAS MESSAGES WITH T/O CONFIG WARN WITH NO RELATED ORAL WARNING FACT 01MAR21 17:03 CLT C/N/D, R&R'D RELAY K0212 FOR PRECAUTION. C/W SELF TEST OF GPWS, TCAS AND T/O CONFIG. ALL TESTS PASS. OPS CHECK SDR FDEA202102260478Iru · malfunctionedPDIS 745 34-45 3202 26FEB21 MEM OPEN U LOGPAGES:366120 AT APPROXIMATELY 40 KNOTS ON TAKEOFF ROLL @ KMEM, F/O LOST ADI PRESENTATION, #2 YAW DAMPER DISENGAGED, AND WE REC D ECAM IRS #2 FAULT MESSAGE. ABORTED TAKEOFF AND PERFORMED QRH PROCEDURSDR ASMF20200122001Antenna · failedAIRCRAFT RETURNED TO PLATFORM DUE TO DURING TAXING BEFORE START THE TAKEOFF, THE TCAS LT AND TCAS RT MESSAGES WERE SHOWN, SO MAINTENANCE PERSONNEL PERFORMED RESET CONTINUING FAILURE. THE ANTENNA WAS REPLACED IAW AMM DMC-B787-A-34-42-05-00A-720-A, ALL CORRECTSDR AALA201910049006Tcas System · malfunctionedAIRCRAFT WAS GROUNDED: PILOT REPORTS DURING CLIMB OUT TCAS FAIL ON ND. STARTED WORKING JUST PRIOR TO DESCENT. OPS NORMAL. MAINTENANCE TROUBLESHOT SYSTEM, PERFORMED TEST, COULDNT DUPLICATE DISCREPANCY. NO FAULTS NOTED AT THIS TIME IAW FIM 34-45-00. OK FOR SERVSDR CALA2019092301626Computer · inoperativeTCAS FAIL FLAG ON NAVIGATION DISPLAY SHOWS WITH ATC TRANSPONDER SELECTOR AT TA AND SHOWS WITH SELECTOR AT TA/RA FLAG DISPLAYED IN POSITION 1 AND POSITION 2 REPLACED TCAS COMPUTER OPS OK. PARTS UPDATE. ROTABLE PARTS CHANGE WAS INDICATED - TT # 1079731 SN OFF 2SDR DALA2019090905207Computer · malfunctionedSHIP 3162 - DIV - TO MIA DUE TO TCAS FAULT AT CRUISE. ECAM WARNING: NAV TCAS FAULT / CREW DECISION TO DIVERT. CORRECTIVE ACTION: REPLACED TCAS COMPUTER.SDR IPXA2019072544878Computer · malfunctionedINSPECTION TYPE:N/A ATB- XPNDR 1 IN TA/RA SHOWED TCAS OFF, SWITCHED TO XPNDR 2 IN TA/RA SHOWED TCAS OFF. ATC COULD NOT SEE US. CYCLED BACK AND FORTH SEVERAL TIMES IT DID NOT WORK.NO FAULT FOUND. OPS TEST PER AMM 34-45-00-715-001-004 TEST OK . R/R TCAS COMPUTER
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