JASC 3452
Service difficulty reports · 624
Reports filed under 3452 · ATC Transponder 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 = '3452' 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 = '3452' 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 DL72L002272Transponder · inoperativeNR 2 ATC TRANSPONDER IS INOP. REPLACED TRANSPONDER PERFORMED TEST PER M/M CHECKS NORMAL.SDR 20000925SH012Transponder · inoperativeTRANSPONDER REPORTED INOPERATIVE. BENCH TEST REVEALED CAVITY TRANSMITTING AT 2,012 MEGAHERTZ AND IT COULD NOT BE ADJUSTED INTO TOLERANCE. FOUND TUBE INSTALLED WAS PC2080A, DATE CODE 99-13. INSTALLED BY FAA CRS AJVR135C, PRESENT MANUFACTURER (SIGMA-TEK) DOESSDR 20001030SH026Transponder · shortedTRANSPONDER, KT70 MODE S ATC, HAD INTERNAL SHORT. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)SDR RRXA001042Transponder · failedNR 1 TRANSPONDER INOP. NR 2 TRANSPONDER INOP. NR 1 PREVIOUSLY DEFERRED SEE LP 9230-04. CLOSING ACTION REMOVED AND REPLACED TRANSPONDER SYS FUNCTIONAL TEST OK BY AVIONIC SVC RO A97A0017 USING IFR ATC-600A29 GROUND TEST SET PER MM 34-53-0. THIS CLEARS DMI C9SDR RRXA001040Control Panel · failedNR 1 TRANSPONDER SQUAKS 7777 NO MATTER WHAT THE INPUT (THE VARIOUS CODES) ON THE BOX IS, NR 2 TRANSPONDER INOP (NO SQUAK) FOR VARIOUS CODES. REMOVED AND REPLACED ATC CONTROL PANEL, NR 1 AND NR 2 TRANSPONDER, OP CHECKS GOOD IAW DC-8 M/M CH 34-53.SDR CA000804014Transponder · melted(CAN) AIRCRAFT HAD BEEN AT CRUISE ALTITUDE FOR ABOUT TWO HOURS WHEN A STRONG BURNING SMELL WAS NOTICED BY ALL ABOARD. AN IMMEDIATE DESCENT WAS INITIATED AND CALGARY ATC DID AN EXCELLENT JOB OF DIVERTING TRAFFIC TO ALLOW A STRAIGHT IN APPROACH. PILOT ATTEMPTESDR SWIA971735Transponder · inoperativeNUMBER ONE AND NUMBER TWO TRANSPONDER INOP. RETURNED TO LAX. PERFORMED OPERATIONAL CHECK ON ATC TRANSPONDER ONE AND TWO, FOUND NO PROBLEMS OR CODES. OPS CHECKS GOOD.SDR N8TA00011001Control Panel · shortedDURING CLIMB, CREW NOTICED SMOKE SMELL IN FLIGHT DECK. AIRCRAFT RETURNED TO STATION, NORMAL LANDING ACCOMPLISHED. INVESTIGATION REVEALED SHORTED ATC TRANSPONDER CONTROL PANEL. REMOVED PANEL, SECURED HARNESS AND RETURNED AIRCRAFT TO MAINTENANCE BASE. (M)SDR 20000623SH008Transponder · unsecureDURING ACCOMPLISHMENT OF FAR 91.413 AND AD 99-23-22R1, FOUND THAT MODES S WOULD NOT TRANSMIT TAIL NUMBER DURING TEST. FURTHER INVESTIGATION REVEALED THAT BOTH CONFIGURATION MODULES WERE NOT STRAPPED PROPERLY W9-W32 WERE ALL BINARY ZEROS. (X)SDR HEEA065179Transponder · malfunctionedTRANSCEIVER'S I.D. LIGHT STAYS ON.SDR QXEA9902395Mount · corrodedPDX - AIR FRAME MOUNTING SURFACE FOR LOWER ATC ANTENNA WAS CORRODED. REPAIRED IAW FOKKER SRM 51-10-04, PAGE 9, PARAGRAPH 4 B&C.SDR USAABB99055Atc · failedPHL-LGW - FLT 126 - CREW RECEIVED THE EICAS MESSAGE 'ATC FAULT' AND THE ASSOCIATED LIGHT. BOTH TRANSPONDERS WERE REPORTED TO BE INOPERATIVE. AFTER CONFERRING WITH MAINTENANCE, THE FLIGHT RETURNED TO PHL AND LANDED WITH NO FURTHER PROBLEMS. MAINTENANCE REPLASDR RAIA9910045Comm Unit · failed6190 - PIT - BOTH RMU'S GIVING AN ATC NR 2 WARNING. MAINTENANCE REPLACED NR 2 COMM UNIT.SDR HEEA064829Transponder · failedATC NOT ABLE TO PICK UP OVER 10 MILES OUT.SDR HEEA064727Transponder · malfuncitonedTRANSPONDER HAD WRONG FREQUENCIES SENT OUT. PERFORMED PRELIMINARY INSPECTION AND FOUND LOW SENSITIVITY AND POWER OUT. ADJUSTED HI/LO SENSITIVITY. OUTPUT POWER WILL NOT ADJUST TO SPECS.SDR 99ZZZX4058Transponder · malfunctionedTRANSPONDER MALFUNCTIONS, MODE-C INOPERABLE.SDR HEEA063395Display · malfunctionedBAD PHOTO CELL WILL NOT GO BRIGHT.SDR CA990907033Transponder · intermittent(CAN) AIRCRAFT REPORTED INTERMITTENT MODE C OPERATION. AIRCRAFT HAS TWO TRANSPONDERS CONNECTED TOGETHER TO 1 AIR DATA SOURCE. NR 2 TRS HAD AN INTERNAL MODE C CODE A4 INTERMITTENT SHORT WHICH EFFECTED BOTH. TRS REPLACED.SDR HEEA063266Transponder · inoperativeTRANSPONDER INOPERATIVE. SMELLS BURNT. PERFORMED PRELIMINARY INSPECTION. FOUND EXCESSIVE CORROSION AND POWER SUPPLY BAD.SDR HEEA063254Transponder · weakTRANSCEIVER'S NR 4 DIGIT KNOB BROKEN. PERFORMED PRELIMINARY INSPECTION AND REPLACED BROKEN KNOB ON FACEPLATE. FOUND FREQUENCY OUT OF TOLERANCE, ADJUSTED V101 AND FOUND RECEIVER SENSITIVITY WEAK.SDR 99ZZZX3611Transponder · intermittentREMOVED KXP 755 TRANSPONDER FROM AIRCRAFT. FOUND RECEIVER INTERMITTENT, FOUND BURST CLOCK TOO LONG, CHANGED COIL AND ASSOCIATED PARTS, FOUND POWER OUTAGE ONLY 10 WATTS, AND FREQUENCY UNRECOGNIZABLE. SWAPPED CAVITIES AND FOUND LOWER SUPPLY TOO LOW, TREAD PROBSDR 99ZZZX3112Transponder · malfunctionedREPLACED TRANSPONDER WITH OVERHAULED KING KT76A. TESTED AND CERTIFIED BY AVIONICS SYSTEMS, CRSFK6R538N.SDR HEEA063416Transponder · failed testTRANSCEIVER FAILS ALL TESTS. REPLACED 2 EACH BACKLIGHTING BULBS. ALIGNED RECEIVER AND ADJUSTED FREQUENCY AND POWER OUT. BENCH CHECK GOOD.SDR 99ZZZX3022Transponder · shortedMOISTURE TRAPPED UNDER HEADER CAUSED A SHORT ON TH THE BOARD AT THE 180VAC LINE. BURNED BOARD AND HEADER.SDR HEEA062880Transponder · malfunctionedTRANSCEIVER IDENT LIGHT STAYS ON.SDR 99ZZZX2654Transponder · malfunctionedTHE SPECIFICATION FOR PULSE WIDTH IS 450 NS PLUS/MINUS 70 NS. THE NEW UNIT HAD A PULSE WIDTH OF 545 NS.SDR 99ZZZX3002Transponder · failedFIRST, FOUND TRANSPONDER HAD BROKEN WIRE. THEN FOUND ENCODER WAS FAULTY, TESTED OK AFTER OVERHAUL, BUT DEFECTIVE AGAIN. REPLACED. CHECKED OK.SDR RAIA990640Atc Controller · failedFLT 7176 - STL - NR 1 AND NR 2 TRANSPONDER INOPERATIVE. MAINTENANCE REPLACED ATC CONTROL HEAD. (M)SDR 99ZZZX2318Transponder · failedKT76A TRANSPONDER FAILED IN-FLIGHT. TRACED PROBLEM TO FAILED RESISTOR MODULE RM402 ON MAIN CIRCUIT BOARD. ACCOMPLISHMENT OF AD 98-14-03 (BENDIX/KING SB K7-76A-7). REPLACED RM401 AND RM402 AND REPAIRED UNIT. RE-INSTALLED UNIT AFTER REPAIR/AD COMPLIANCE AND SDR 99ZZZX2885Transponder · malfunctionedTRANSPONDER UNIT POWERS DOWN BY ITSELF AND REPOWERS UP. REF: RMA NR R019742 AND MCN 62. REMOVED AND REPLACED.SDR HEEA061744Transponder · malfunctionedTRANSPONDER TRANSMITS AND RECEIVES WEAK.SDR HEEA061742Transceiver · malfunctionedATC REPORTS WRONG NUMBERS BEING TRANSMITTED. PERFORMED PRELIMINARY INSPECTION AND FOUND REPLY LIGHT BLINKING, ALT. CODING INFORMATION WRONG AND OFF FREQUENCY.SDR HEEA061741Transceiver · malfunctionedTRANSCEIVER'S REPLY LIGHT BLINKS CONSTANTLY.SDR HEEA061740Transceiver · brokenTRANSCEIVER'S CIRCUIT RUN ON R 477 BROKEN AND RIGHT HAND SIDE RAIL BROKEN.SDR HEEA061738Transponder · failedTRANSPONDER WORKED FOR TWO FLIGHTS, THEN WENT BELLY-UP. NO MODE C, S, ETC. REPLACED WITH SERVICEABLE PART.SDR SWIA971472Transponder · failedATC REPORTS NO MODE C ON TRANSPONDER. RETURNED TO FIELD. SWAPPED TDR 94 BOXES AND PERFORMED GROUND CHECK. OPS CHECKS GOOD.SDR 99ZZZX2844Transponder · failedSOME SEGMENTS OF DISPLAY WILL NOT LIGHT, REMOVED AND REPLACED.SDR HEEA060697Control Unit · failedKFS CONTROL DOES NOT TURN ON.SDR DHL99741002Transponder · inoperativeTRANSPONDER NR 1 AND NR 2 INOP AS REPORTED BY ATC DURING CLIMBOUT. REMOVED AND REPLACED TRANSPONDERS PER MM 34-45-1.SDR PLGA990216Transponder · failedLGA - FLT 6514 - CREW REPORTED NR 2 TRANSPONDER FAILED ALONG WITH TCAS. NR 1 TRANSPONDER ALREADY MEL'D. A/C RETURNED TO LGA AND LANDED WITHOUT INCIDENT. MAINTENANCE COULD NOT DUPLICATE PROBLEM. A/C RETURNED TO SERVICE. (M)SDR HEEA060155Transponder · malfunctionedTRANSPONDER IS OFF FREQUENCY.SDR HEEA060154Transponder · failedTRANSPONDER INOPERATIVE, WILL NOT TURN ON.SDR HEEA060153Transponder · failedTRANSPONDER HAS INOPERATIVE MODE A.SDR HEEA060152Transponder · malfunctionedTRANSPONDER TRANSMITTING WRONG CODE. PERFORMED PRELIMINARY INSPECTION AND COULD NOT DUPLICATE PROBLEM. BENCH CHECK GOOD.SDR HEEA060151Transponder · failedTRANSPONDER WILL NOT TRANSMIT.SDR HEEA060150Transponder · erraticTRANSPONDER REPORTED INOPERATIVE. PERFORMED PRELIMINARY INSPECTION AND FOUND SENSITIVITY WEAK AND ERRATIC. UNABLE TO ADJUST.SDR 99ZZZX349Connector · failedLOSS OF B4 MODE C CODE LINE. CONTACT PIN IN RACK LOST TENSION. REPLACED ALL CONTACT PINS.SDR HEEA059904Transponder · malfunctionedTRANSPONDER CONTROL HAS NO DISPLAY.SDR HEEA059903Transponder · inopTRANSPONDER WILL NOT COME ON.SDR HEEA059898Transponder · malfunctionedATC TRANSPONDER REPORTED AS NOT SQUAWKING. PERFORMED PRELIMINARY INSPECTION. REPLACED TRANSISTOR Q104, Q502, AND TWO EACH SPACERS, REPAIRED. BEGAN BENCH CHECK AND FOUND WEAK TRANSMIT POWER. ALIGNED TRANSMITTER AND GOT 100 WATTS OUT.
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