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 HEEA0016856Transponder · malfunctionedTRANSPONDER REPLY LIGHT BLINKS CONSTANTLY.SDR 98ZZZX4761Transponder · malfunctionedTRANSPONDER DOES NOT TURN ON. REMOVED AND REPLACED.SDR HEEA0016647Transponder · failedTRANSPONDER DISPLAY COMES UP 7777 WHEN UNIT IS TURNED ON.SDR HEEA0016646Transponder · failedIDENTIFIER LIGHT IS INOPERATIVE.SDR HEEA0016645Transponder · malfunctionedREPLY LIGHT BLINKS CONTINUOUSLY.SDR HEEA0016644Transponder · malfunctionedTRANSCEIVER WILL NOT TRANSMIT AFTER ONE HOUR OF FLIGHT.SDR HEEA0016643Transponder · failedTRANSPONDER WILL NOT TRANSMIT.SDR HEEA0016463Display · damabedTRANSPONDER CONTROL HAS SEVERE BURN HOLE IN DISPLAY BOARD.SDR HEEA0016459Transponder · failedTRANSPONDER LOSES CODE MEMORY WHEN TURNED OFF.SDR HEEA0016433Transponder · failedTRANSPONDER DOES NOT TRANSMIT, FLEX CABLE BURNT.SDR HEEA0016391Transponder · failedNO CODE TRANSMITTER. NO REPLY LIGHT. NO TEST LIGHT. TIME SINCE REPAIR 0:00 HOURS.SDR HEEA0016390Transponder · malfunctionedTRANSPONDER HAS LOW POWER. TIME SINCE REPAIR 0:00 HOURS.SDR CA981030009Control Panel · failed(CAN) ON DEPARTURE, CREW REPORTED SMOKE COMING OUT OF TRANSPONDER PANEL WHEN LIGHT OVERRIDE SWITCH SELECTED ON. TRAFFIC CONTROL ALERT SYSTEM/AIR TRAFFIC CONTROL PANEL REPLACED, WIRING AND CONNECTOR CHECKED NO TRACE OF BURN, SYSTEM SERVICEABLE.SDR 98ZZZX3860Transponder · failedTRANSPONDER WOULD NOT TEST. SENT FOR REPAIR.SDR CA981109009Transponder · failed(CAN) TRANSPONDER SNAGGED FOR NO LIGHTS. FURTHER INVESTIGATION REVEALED BOARD NEAR TRANSISTOR WAS BURNT. THIS PROBLEM ADDRESSED UNDER MOD NR 6 FOR THIS TRANSPONDER. NEW TRANSPONDER INSTALLED AND IT WAS DISCOVERED THIS ONE HAD NOT BEEN MODIFIED. IT ALSO WASSDR HEEA0015909Transponder · damagedTRANSPONDER HAS BROKEN KNOB.SDR HEEA0015897Transponder · inoperativeTRANSPONDER INOPERATIVE AND NO POWER OUT.SDR HEEA0015896Transponder · failedTRANSPONDER A/C CODE STAYS AT 0000.SDR HEEA0015831Transceiver · malfunctionedINTERMITTENT OUTPUT FUNCTION SELECTOR KNOB ON TRANSCEIVER IS SUSPECTED SOURCE OF PROBLEM.SDR CA980909007Antenna · failed(CAN) AIRCRAFT RETURNED TO RAMP DUE TO BOTH ATC TRANSPONDERS FAILED. UPPER ANTENNA REPLACED.SDR HEEA0015741Transponer · failedTRANSCEIVER DOES NOT TRANSMIT. PERFORMED PRELIMINARY INSPECTION AND FOUND RECEIVER SENSITIVITY WEAK AND REPLY LIGHT BLINKS ALL THE TIME.SDR HEEA0015728Transponder · failedTRANSPONDER WILL NOT TEST ON REPORT.SDR HEEA0015726Transponer · inoperativeTRANSCEIVER INOPERATIVE.SDR HEEA0015514Transponer · failedTRANSPONDER ALTITUDE REPORTING OFF BY 28,000 FEET.SDR HEEA0015513Transponder · failedTRANSPONDER WILL NOT REGISTER ANYTHING ON 60O TEST SET MODE A OR C.SDR HEEA0015512Transponder · weakTRANSPONDER HAS WEAK SIGNAL AND FAILED 2 YEAR TRANSPONDER TEST. PERFORMED PRELIMINARY INSPECTION. FOUND FREQUENCY AND PULSE WIDTH OUT OF SPECS, ALSO SHOWS FALSE PULSES.SDR P5CA9801265Antenna · corrosionNR 1 AND NR 2 ATC ANTENNAS HAVE SURFACE CORROSION. REPLACED BOTH NR 1 AND NR 2 ATC ANTENNAS. OPS CHECKED GOOD IAW 3450-01-01.SDR P5CA9801220Antenna · corrosionLEVEL 1 CORROSION ON THE NR 1 AND NR 2 ANTENNA BODY. REPLACED NR 1 AND NR 2 ATC ANTENNAS IAW MM 34-53-03.SDR HEEA0014821Transponer · inoperativeTRANSPONDER NOT TRANSMITTING AND WILL NOT IDENT. FOUND IDENT REPLY LIGHT BLINKING ON AND OFF.SDR CA980706010Transponder · failed(CAN) DURING VFR FLIGHT A BURNING SMELL WAS NOTED FOLLOWED BY SMOKE COMING FROM TRANSPONDER. MASTER SWITCH TURNED OFF AND AFTER TRANSPONDER TURNED OFF THE MASTER SWITCH TURNED ON WITH NO FURTHER PROBLEM. REPLACED.SDR HEEA0014552Mode Selector · inoperativeALTITUDE SELECT FUNCTION IS INOPERATIVE.SDR CA980602060Transponder · failed(CAN) CREW REPORTED SMOKE COMING FROM BEHIND THE LEFT HAND INSTRUMENT PANEL JUST ABOVE THE TRANSPONDER, ACCOMPANIED BY ELECTRICAL BURNING SMELL. NR 1 TRANSPONDER TURNED OFF AND SMOKE DISSIPATED. CIRCUIT BOARD OF NR 1 TRANSPONDER BADLY BURNED.SDR HEEA0014171Transponder · failedTRANSPONDER DEAD, WILL NOT POWER UP. PERFORMED PRELIMINARY INSPECTION. FOUND PULSE WIDTH OUT OF SPECS. ADJUSTED V101 FOR GOOD POWER OUT AND ADJUSTED FREQUENCY. NO HELP. ALSO FOUND NO TRANSMIT. REPLACED V101 TUBE. REPAIRED TRANSMIT PROBLEM BUT PULSE WIDTHSDR HEEA0014170Transponder · failedTRANSPONDER QUIT DURING CRUISE FLIGHT. PERFOMED PRELIMINARY INSPECTION. FOUND UNIT TO FIRE UP OK AT FIRST, BUT AFTER AWHILE, UNIT HAD ONLY 50% REPLY. ADJUSTED PRESELECTOR. NO HELP. REPLACED MIXER DIODE CR202. REPAIRED PROBLEM. UNIT QUIT RECEIVING AFTER WSDR HEEA0014169Transponder · failedINSTALLED TRANSPONDER IN AIRCRAFT AND POWERED UP FOR TEST. REPLY LIGHT STAYED ON BUT NO OUTPUT COULD BE MEASURED. PERFORMED PRELIMINARY INSPECTION, COULD NOT DUPLICATE PROBLEM. ADJUSTED FREQUENCY AND PULSE WIDTH. BENCH CHECK GOOD.SDR HEEA0014057Transponder · failedNUMBERS ON THE DIAL, DO NOT MATCH DECODER NUMBER TRANSMITTING. FOUND UNIT SHOWING FALSE PULSES. CLEANED WAFER SWITCHES. REPAIRED. ADJUSTED PULSE WIDTH AND FREQUENCY TO SPECS. BENCH CHECK GOOD.SDR HEEA0014053Transponder · failedMODE "C" REPORTED INOPERATIVE BY ATC. PERFORMED PRELIMINARY INSPECTION. FOUND PULSE WIDTH TO BE OUT OF SPECS AND REPLY LIGHT TO CONSTANTLY BLINK.SDR HEEA0013921Transceiver · failedPULSE WIDTH OUT OF SPECS. UNABLE TO CHANGE PULSE WIDTH DUE IT BEING A SURFACE MOUNT COMPONENT.SDR RAIA980404Transponder · failedFLT 7438 - STL - BOTH TRANSPONDERS WOULD NOT TRANSMIT OR ENCODE INFORMATION TO ATC. MAINTENANCE REPLACED CAD 62 ADAPTER. (M)SDR HEEA0013710Transponder · failedTRANSPONDER INOPERATIVE ALSO CAPACITY C507 IS BAD.SDR 98ZZZX1765Transponder · failedTRANSPONDER INTERMITTENTLY SENDS OUT FAULTY ENCODING. REMOVED AND REPLACED.SDR HEEA0013661Transceiver · failedINOPERATIVE. PERFORMED PRELIMINARY INSPECTION. FOUND UNIT NOT RECEIVING. REPLACED V101 CAVITY TUBE. REPAIRED, BUT FOUND UNIT OFF FREQUENCY. ADJUSTED V101 CAVITY TUBE, NO HELP. REPLACED V101 AGAIN, NO HELP. SWAPPED OUT HALVES OF UNIT, FOUND PROBLEM ON PRESDR HEEA0013510Transponder · failedTRANSPONDER INOPERATIVE. RECEIVE INTERMITTENT. PERFORMED PRELIMINARY INSPECTION, VERIFIED PROBLEM. FOUND NO 192 VOLT LINE. TROUBLESHOT AND REPLACED Q105, REPAIRED. BEGAN BENCH CHECK AND FOUND RECEIVER SENSE WEAK AND INTERMITTENTLY RECEIVES.SDR HEEA0013373Control · failedTRANSPONDER DOES NOT TEST PROPERLY AND NO LIGHTS TO SHOW MODE IT IS IN.SDR HEEA0013194Transponder · failedKT76 TRANSCEIVER DRAWS EXCESSIVE CURRENT.SDR HEEA0013184Transponder · failedTRANSPONDER WILL NOT TRANSMIT.SDR HEEA0013135Transponder · failedTRANSPONDER ON/OFF SWITCH LOOSE. PERFORMED PRELIMINARY INSPECTION. FOUND ON/OFF SWITCH BROKEN. REPLACED FACEPLATE ASSY, REPAIRED. ADJUSTED TO SPECS. BENCH CHECK GOOD.SDR HEEA0013125Transponder · failedTRANSPONDER REPORTED INOPERATIVE. NO CODE OR ALTIMETER READOUT.SDR HEEA0013119Transponder · defectiveBENCH CHECK NEEDED. REPLACED WEAK V301 PHOTODETECTOR, DETERIORATED R477 RESISTOR, INSTALLED MISSING IDENT PUSH BUTTON AND INSTALLED HEAT SINK FOR Q415. ADJUSTED AS NEEDED AND BENCH CHECK GOOD.SDR HEEA0013116Transponder · failedATC REPORTED TRANSPONDER AS INOPERATIVE. FOUND WEAK POWER OUT. REPLACED CAVITY OSCILLATOR V101. REPAIRED. REPLACED DETERIORATED RESISTOR R477 AND PHOTOCELL V301 DUE TO WEAK REPLY LIGHT. REPAIRED. ADJUSTED FREQUENCY. BENCH CHECK GOOD.
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