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.

SDR HEEA079785Transceiver · malfunctionedATC TRANSCEIVER INOPERATIVE. CLEANED ON/OFF SWITCH CONTACTS. STRAIGHTENED BENT CONTACTS ON ON/OFF SWITCH. REPAIRED PROBLEM. FOUND POWER OUT WEAK. REPLACED BAD V101 CAVITY. ADJUSTED PULSE WIDTH, POWER OUT AND FREQUENCY. REPAIRED. BENCH CHECK GOOD.May 30, 2002 · N217UC · Bolkms BK117A1SDR HEEA079784Transponder · failedTRANSPONDER WOULD NOT PASS CERTIFICATION. FOUND FREQUENCY TO BE INTERMITTENT. RESOLDERED LOOSE WIRES ON V101 AND ADJUSTED FREQUENCY AND POWER TO SPECS. INSTALLED GROOVE PIN ON LOCKING MECHANISM. BENCH CHECK GOOD.May 30, 2002 · N8197X · Bolkms BO105SSDR AUS20020662Controller · faulty(AUS) ATC CONTROLLER FAULTY. INVESTIGATION FOUND THE CONTROLLER HAD ANUNSERVICEABLE PHOTOELECTRIC CELL. AIRCRAFT IS AN RAAF FALCON 900A26-070.May 29, 2002 · Amd FALCON900SDR HEEA079049Transceiver · intermittentATC TRANSCEIVER MODE "C" INTERMITTENT AND TWO DIGITS OFF. IN SHOP FOR REPAIR.May 15, 2002 · N724PH · Bell 407SDR 2002FA0000634Coax · wrong partDISCOVERED INCORRECT COAX USED IN FACTORY INSTALLATION OF ATCRBS TRANSPODNER SYSTEM. COAX INSTALLED IN AIRCRAFT OF TYPE NOT APPROVED BY EQUIPMENT MANUFACTURER. THIS LEAD TO TRANSPONDER SYSTEM FAILURE.May 13, 2002 · Piper PA28181SDR HEEA078758Transceiver · inoperativeWOULD NOT TRANSMIT. PERFORMED PRELIMINARY INSPECTION, FOUND V101 BAD, AND R477 BAD. REPLACED. REPAIRED. ADJUSTED TO SPECS. BENCH CHECK GOOD.May 6, 2002 · N491PH · Bell 407SDR KBMA113803Transponder · inoperativeTRANSPONDER NOT GIVING REPLY LIGHT OR IDENTY. REPLACED WITH SERVICEABLE UNIT.Apr 2, 2002 · N1188P · Snias AS350BASDR SWIA200210763Transponder · malfunctionedAFTER TAKEOFF, TRANSPONDER NR 1 REPORTED DIAG WITH NO ASSOCIATED NUMBER. ATC REPORTED NO ALTITUDE READOUT. SWITCHED TO NR 2 TRANSPONDER AND HAD NO REPLY LIGHT OR ALT INFORMATION AS REPORTED BY ATC. RETURNED TO PDX. RERACKED NR 1 TDR94 TRANSPONDER. INSPECTMar 28, 2002 · N271YV · Emb EMB120ERSDR HNAA0200025Control Head · burnedON LANDING CREW REPORTED A STRONG BURNING SMELL IN THE COCKPIT. TRACED SMELL TO DUAL MODE S ATC CONTROL HEAD. REPLACED CONTROL HEAD.Mar 6, 2002 · N989HA · Dhav DHC8201SDR AUS20020233Resistor · misinstalled(AUS) TRANSPONDER VOLTAGE DROPPING RESISTOR INCORRECTLY MOUNTED. THE RESISTOR IS MOUNTED ON THE REAR OF THE TRANSPONDER MOUNTING RACK. THE INSTALLATION MANUAL STATES THAT IT MUST BE MOUNTED AWAY FROM THE AVIONICS STACK TO AVOID OVERHEATING OF THE POWER SUPPLY.Feb 23, 2002 · Cessna TR182SDR AUS20020232Mount · loose(AUS) TRANSPONDER MOUNT LOOSE. MOUNT MADE OF THIN METAL.Feb 23, 2002 · Cessna TR182SDR ARWA20020204TransponderLOG PAGE 108434. DISCREPANCY: BOTH TRANSPONDERS MODE "C" ALTTITUDE REPORTING INOPERATIVE, C/B's RESET, NO HELP. AIRCRAFT RETURNED TO KMIA AND LANDED OVERWEIGHT UNEVENTFULL. CORRECTIVE ACTION: REMOVED AND REPLACED BOTH #1 &#2 ATC TRANSPONDERS IAW MM 34-53-0 ACCFeb 12, 2002 · N345JW · Doug DC863SDR 2002FA0000157Transformer · shortedTRANSFORMER SHORTED.Jan 21, 2002 · N2509A · Piper PA38112SDR 2001F00754Control Head · malfunctionedSMOKE FROM AROUND NR 2 TRANSPONDER CONTROL HEAD. REMOVED AND REPLACED NR 2 TRANSPONDER CONTROL HEAD, SYSTEM OPS CHECK GOOD. (M)Nov 30, 2001 · N547NA · Boeing 757236SDR 01FDEA00999Connector · not seatedNR 1 & 2 TRANSPONDER INOP. RESET CONNECTOR ON ATC CONTROL PANEL. OPS CK GOOD PER MM 34-43-00-5 & BOEING SWPM 20-60-06.Nov 16, 2001 · N282FE · Boeing 727233SDR HEEA076965Transponder · inoperativeINOPERATIVE. PENDING VENDOR REPAIR.Oct 30, 2001 · N59806 · Bell 214STSDR HEEA076964Transponder · inoperativeINOPERATIVE, WILL NOT TRANSMIT. PENDING VENDOR REPAIR.Oct 30, 2001 · N7128R · Bell 412SDR HEEA076963Transponder · interferenceTRANSPONDER SQUAWKING 24000 FEET. REPLACED WITH SERVICEABLE PART.Oct 30, 2001 · N31821 · Bell 206L3SDR HEEA076431Control Unit · will not testWON'T TEST PROPERLY. REPLACED WITH SERVICEABLE PART.Oct 3, 2001 · N142PH · Bell 412SDR HEEA076428Transponder · malfunctionedTRANSMIT OFF FREQUENCY AND REPLY RATE IS LOW AND ERRATIC. REPLACED WITH SERVICEABLE PART.Oct 3, 2001 · N2149S · Bell 412SDR HEEA076426Transceiver · malfunctionedWOULD NOT TRANSMIT POWER MODE C SIGNALS. IN SHOP REPAIR.Oct 3, 2001 · N21497 · Bell 206L3SDR C2XA01CL211Transponder · failedCLE FLIGHT NR 3899 CREW REPORTED THAT THE NUMBER 1 TRANSPONDER NO MODE "C". NUMBER 2 TRANSPONDER ALREADY ON MEL. RETURNED TO CLE AND LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED, AND REMOVED AND REPLACED THE NUMBER 1 TRANSPONDER. SYSTEM OPERATIONAL CHECKSOct 3, 2001 · N15509 · Emb EMB135ERSDR 2001F00475Transponder · failedTRANSPONDER FAILED INFLIGHT. INSTALLED SERVICEABLE UNIT. (M)Sep 20, 2001 · N230SH · Snias AS350BASDR 2001F00302Light · inoperativeTEST BUTTON QUIT WORKING, NO LIGHT. (M)Sep 19, 2001 · N44911 · Doug C54BDCSDR HEEA075592Control Panel · intermittentDIGITS INOPERATIVE. PERFORMED PRELIMINARY INSPECTION. FOUND HEADER BAD. DIGITS INTERMITTENTLY FLICKERS. DRIVER BOARD CAUSING SOME BRIGHT SEGMENTS ON DISPLAY. INSTALLED HEADER P305, J304, CAPACITOR NETWORK U301. DIGITS WILL NOT CHANGE WHEN DIAL IS TURNED. Aug 27, 2001 · N59806 · Bell 214STSDR HEEA075587Transponder · failedWENT DEAD. PERFORMED PRELIMINARY INSPECTION. FOUND CR106 DIODE BURNT AND C111 CAPACITOR SHORTED. ALSO FOUND C115 CAPACITOR BAD. REPLACED CR106 DIOD AND C111 AND C115 CAPACITORS. ADJUSTED MTL. UNIT BENCH CHECK GOOD.Aug 24, 2001 · N21498 · Bell 412SDR KBMA88764Transponder · inoperativeTRANSPONDER REPORTED NO SIGNAL. REPLACED WITH 3V UNIT.Jul 30, 2001 · N350SH · Snias AS350BASDR HEEA073795Transceiver · malfunctionedATC REPORTED NOT GETTING THE RIGHT NUMBER. PERFORMED PRELIMINARY INSPECTION AND FOUND INTERMITTENT DIAL, ALSO MTL OUT OF SPECIFICATIONS, SIGNAL CUTS OUT AT -64DB WHEN DYNAMIC RANGE IS SET TO -9DB, ADJUSTED IF SECTION AND PRESELECTOR, NO HELP. PROBLEM ON MAIN Jun 19, 2001 · N911LK · Bolkms BK117A1SDR HEEA073708Transceiver · failedCOULD NOT BE PICKED UP BY TOWER. SENDING TO VENDOR FOR REPAIR.Jun 19, 2001 · N4999 · Bell 407SDR 2001F00132Transponder · failedTRANSPONDER FAIL LIGHT ILLUMINATED AFTER TAKEOFF, ATC WAS NOT RECEIVING TRANSPONDER SIGNAL. AIRCRAFT IS CONFIGURED WITH ONLY ONE TRANSPONDER AND RETURN FROM ARRIVAL DESTINATION WOULD NOT BE PERMISSIBLE. AIRCRAFT ADVISED TO RETURN TO DEPARTURE STATION. AIRCRMay 28, 2001 · N203AV · Boeing 727259SDR AUS20010557Transponder · faulty(AUS) TRANSPONDER GIVING FALSE ALTITUDE READINGS.May 18, 2001 · Cessna T210MSDR KBMA88737Transponder · inoperativeTRANSPONDER IS INOPERATIVE. REMOVED AND REPLACED WITH SERVICABLE PART.Apr 25, 2001 · N2273A · Snias AS350BASDR DHL2001705514Antenna · delaminatedAT C-CHECK- NR 2 ATC ANTENNA DELAMINATED AND GASKET DETERIORATED. REMOVED NR 2 ATC ANTENNA AND ROUTED TO STOCK IAW B727 MM 34-43-41. INSTALLED NR 2 ATC ANTENNA AS PER B727 MM 34-43-41. OPS CHECK NR 2 ATC SYSTEM PER B727 MM 34-43-0. OPS CHECK GOOD.Apr 17, 2001 · N705DH · Boeing 72722CSDR HEEA072636Transponder · intermittentTRANSMITS INTERMITTENTLY. MTL LOW. CANNOT MEASURE FREQUENCY.Apr 17, 2001 · N31821 · Bell 206L3SDR HEEA072635Transponder · failedWILL NOT COME ON.Apr 17, 2001 · N6160Y · Bell 206L3SDR HEEA072634Transponder · malfunctionedREPLY LIGHT INOPERATIVE.Apr 17, 2001 · N7077F · Bell 206L4SDR HEEA072633Transponder · failedTRANSPONDER WILL NOT TRANSMIT. PERFORMED PRELIMINARY INSPECTION. FOUND UNIT NOT RECEIVING OR TRANSMITTING. FOUND V101 TUBE BAD. REPLACED V101 TUBE. REPAIRED. ALSO FOUND SWITCH PANEL BAD. REPLACED. BENCH CHECK GOOD.Apr 17, 2001 · N4835 · Bell 206L3SDR HEEA072632Transceiver · defectiveKNOB DEFECTIVE. PERFORMED PRELIMINARY INSPECTION. REPLACED KNOB SHAFT. TRANSMIT POWER WEAK. INSTALLED V101 REPAIRED. FOUND UNIT MISSING IDENT BUTTON. INSTALLED BUTTON. ADJUSTED PULSE WIDTH. BENCH CHECK GOOD.Apr 17, 2001 · N3116P · Bell 206L3SDR HEEA072616Control Unit · malfunctionedDISPLAY BLANKS OUT WHEN CHANGING DIGITS. PERFORMED PRELIMINARY INSPECTION AND REPLACED DISPLAY LENS AND I203, I204, I205 AND I206 IC CHIPS. NO HELP. FOUND J303 FLEX CABLE BAD. REPLACED J303 CABLE, I303 IC CHIP, I306 IC CHIP AND I202 IC CHIP. NO HELP.Apr 17, 2001 · N108X · Bell 412SDR HEEA072134Transceiver · malfunctionedNR F2. PULSE. LOW OUTPUT POWER. LOW RESPONSE. REPLACED WITH SERVICEABLE PART.Apr 6, 2001 · N5745S · Bell 206L1SDR HEEA072079Transponder · malfunctionedLOW POWER AND WIDE PULSE WIDTH. PERFORMED PRELIMINARY INSPECTION AND FOUND F401 FUSE BLOWN AND Q415 BAD. REPLACED F401 FUSE AND Q415 TRANSISTOR. FOUND UNIT WILL NOT RECEIVE. REPLACED V101 CAVITY TUBE AND V301 PHOTOCELL. REPAIRED. BENCH CHECK GOOD.Apr 5, 2001 · N409PH · Bell 407SDR HEEA072003Transponder · inoperativeREPORTED INOPERATIVE. PERFORMED PRELIMINARY INSPECTION. CLEANED EXCESSIVE CORROSION FROM UNIT. FOUND WEAK RECEIVER SENSE AND WEAK TRANSMIT POWER. REPLACED TRANSMITTER BOARD AND ALIGNED TO SPECS. ALIGNED THE RECEIVER. BENCH CHECK GOOD.Apr 5, 2001 · N33008 · Bell 412SDR HEEA072002Transponder · failedNO OUTPUT. PERFORMED PRELIMINARY INSPECTION. FOUND MODULATOR WAS LOADING DOWN THE POWER SUPPLY VOLTAGES. REPLACED TWO EACH INSULATORS AND ONE EACH BUSHING FOR TRANSISTORS Q501 AND Q502. CLEANED CORROSION FROM BACKSIDE OF THE TRANSISTORS. REPAIRED.Apr 5, 2001 · N7128R · Bell 412SDR HEEA071980Transponder · inoperativeNO TRANSMIT OR RECEIVE. PERFORMED PRELIMINARY INSPECTION, TESTED UNIT, FOUND WOULD NOT POWER UP. FUSE BAD. ALSO TROUBLESHOT UNIT DUE TO FUSE SHORTED AND FOUND TRANSISTOR Q101 BAD. INSTALLED FUSE AND TRANSISTOR Q101. TESTED UNIT AND FOUND SHIELD IN POWER SUApr 5, 2001 · N2261D · Bell 412SDR 01FDEA00220Transponder · malfunctionedAFT DEP LOST TRANSPONDER (1 & 2), NR 2 PITCH TRIM, NR 1 ATS, CAPT/STBY BY PROBE HEAT AND NR 2 PRESSURE CONTROLLER. ALSO ACARS DID NOT RECORD OFF OR ON TIMES CAPT SRS INOP. EVERYTHING APPEAR TO RESET UPON LANDING.Mar 22, 2001 · N428FE · Airbus A310203SDR RAIA00103007Transponder · inoperative7163-STL-CREW REPORTS BOTH TRANSPONDERS INOPERATIVE. MAINTENANCE INSPECTED AND REPLACED TRANSPONDER CONTROL HEAD.Mar 7, 2001 · N424TE · Aerosp ATR42300SDR KBMA99402Transponder · inoperativeTRANSPONDER NON-OPERATIONAL.Jan 5, 2001 · N1188P · Snias AS350BASDR HNAA0000083Control Unit · smokeWHEN GROUND POWER WAS APPLIED TO THE AIRCRAFT SMOKE AND SPARKS CAME FROM THE F/O'S SIDE OF THE CENTER CONSOLE. REPLACED THE NR 2 TRANSPONDER CONTROL HEAD.Dec 17, 2000 · N930HA · Dhav DHC8102SDR SWIA972164Receiver · failedNUMBER ONE TRANSPONDER INOP WITH CORRESPONDING ''DIAG'' MESSAGE. NUMBER TWO TRANSPONDER INOP IN ALL POSITIONS WITH NUMBER ONE TRANSPONDER OFF OR ON. NO CORRESPONDING ''DIAG'' MESSAGE ON NUMBER TWO. RETURNED TO LAX. VERIFIED TRANSPONDER RECEIVER BAD USING T-4Dec 6, 2000 · N213SW · Emb EMB120ERSDR R7MR312832540Transponder · inoperativeUNIT INOPERATIVE. WILL NOT RECEIVE OR TRANSMIT. REPLACED WITH NEW UNIT. CORRECTED PROBLEM.Dec 4, 2000 · N103LN · Snias AS350B3
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