JASC 2312

Service difficulty reports · 1,271

Reports filed under 2312 · VHF Communications 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 = '2312'
  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 HEEA0015246Transceiver · failedBENCH CHECK AND 2 YEAR INSPECTION. PERFORMED PRELIMINARY INSPECTION. FOUND TRANSMIT POWER OUT FLUCTUATING AND MODULATION DISTORTED INTERMITTENTLY. SWAPPED OUT Q109 AND Q110 TRANSISTORS. NO HELP. ALSO FOUND C529 CAPACITOR BROKEN.Jul 27, 1998 · N21498 · Bell 412SDR 98ZZZX3547Transceiver · malfunctionedRADIO RECEIVES GARBLED. REMOVED AND REPLACED.Jul 13, 1998 · N1097J · Hughes 369DSDR 98ZZZX3546Transceiver · malfunctionedVOLUME CONTROL NOT WORKING. REMOVED AND REPLACED.Jul 13, 1998 · N1097J · Hughes 369DSDR 98ZZZX4328Receiver · failedRECEIVER - PART FAILED AND SMOKED.Jul 6, 1998 · N37242 · Cessna 310RSDR HEEA0015135Transceiver · failedTRANSCEIVER WILL NOT STORE FREQUENCIES.Jul 1, 1998 · N4294R · Bolkms BO105SSDR HEEA0015134Transceiver · malfunctionedTRANSCEIVER BREAKS SQUELCH HIGH END.Jul 1, 1998 · N22743 · Bell 206B3SDR HEEA0015125Control Unit · failedCANNOT LOAD FREQUENCIES INTO VHF COMM MEMORY.Jul 1, 1998 · N31219 · Skrsky S76ASDR HEEA0015094Transceiver · malfunctionedTRANSCEIVER'S MODULATION DISTORTED AT 85 PERCENT MODULATION.Jul 1, 1998 · N39122 · Bell 206B3SDR HEEA0015092Transceiver · malfunctionedCOCKPIT VHF WEAK ON TRANSMIT.Jul 1, 1998 · N789DS · Beech 200BEECHSDR HEEA0015091Transceiver · malfunctionedVHF WILL NOT TRANSMIT.Jul 1, 1998 · N789DS · Beech 200BEECHSDR HEEA0015065Transceiver · malfunctionedVHF'S TRANSMIT AND RECEIVE GARBLED.Jun 30, 1998 · N33008 · Bell 412SDR HEEA0015048Transceiver · failedTRANSCEIVER WILL NOT POWER UP.Jun 30, 1998 · Bell 206L4SDR HEEA0014932Transceiver · failedVHF HAS NO POWER OUT, TRANSMITS ON WRONG FREQUENCY.Jun 22, 1998SDR HEEA0014886Transceiver · failedTRANSCEIVER INDICATES 15 ON GROUND. INCONSISTENT TEST OPERATION.Jun 22, 1998 · N141PH · Bell 412SDR HEEA0014877Transceiver · malfunctionedNR 2 VHF POSITION TRANSMITS; WILL NOT RECEIVE.Jun 22, 1998 · N3520T · Bolkms BO105SSDR HEEA0014827Transceiver · malfunctionedUPON INSTALLATION, TRANSCEIVER WOULD NOT TEST NOR RECEIVE AUDIO. PERFORMED PRELIMINARY INSPECTION. TROUBLESHOT AND FOUND S4 (SWITCH) BAD. SCRAPPED PART.Jun 18, 1998 · N911MJ · Skrsky S76ASDR HEEA0014826Transceiver · weakTRANSCEIVER UNIT HAS WEAK OUTPUT WHEN WARMED UP. FOUND UNIT TO HAVE WEAK RECEIVER SENSITIVITY AND UNIT IS NOT TRANSMITTING CORRECT FREQUENCY FROM 118.00-128.00 MHZ.Jun 18, 1998 · N4294R · Bolkms BO105SSDR HEEA0014681Locking Mech · wornLOCKING MECHANISM WORK-BENT. THIS CAUSED UNIT NOT TO PROPERLY LOCK IN RACK. RADIO CAN MOVE SIDE TO SIDE, CAUSES INTERMITTENT PROBLEMS. REPLACED TOP COVER, REPAIRED PROBLEM. BENCH CHECK GOOD.Jun 10, 1998 · Bell 206L3SDR HEEA0014673Transceiver · malfunctionedTRANSMISSIONS WEAK. PERFORMED PRELIMINARY INSPECTION AND TESTED UNIT. ADJUSTED C/N SQUELCH. FOUND TRANSMIT POWER OUT TOO HIGH. ALIGNED TRANSMITTER. NO HELP.Jun 9, 1998 · N141PH · Bell 412SDR HEEA0014672Transceiver · malfunctionedTRANSCEIVER TRANSMITS CONSTANTLY.Jun 9, 1998 · N33008 · Bell 412SDR 98UAL900246Transceiver · malfunctionedTHE NUMBER ONE COMM WENT INOP AND WAS FOLLOWED BY AN ELECTRICAL TYPE SMELL. THE TEMPERATURE IN THE COCKPIT WAS VERY WARM WHILE THE CABIN WAS VERY COLD. *S/D* REPLACED NUMBER 1 VHF TRANSCEIVER AND NUMBER 1 AUDIO CONTROL PANEL. ELECTRICAL SMELL WAS UNRELATEDJun 9, 1998 · N985UA · Boeing 737291SDR HEEA0014663Transceiver · malfunctionedPOWER OUT, HESITATING AND UNIT WOULD NOT RECEIVE 138-139 MHZ RANGE.Jun 8, 1998 · N134AE · Bolkms BK117B2SDR HEEA0014518Transceiver · inoperativeVHF IS INOPERATIVE.Jun 4, 1998 · N4302G · Bolkms BO105SSDR HEEA0014493Transceiver · malfunctionedTRANSCEIVER WILL NOT RECEIVE OR TRANSMIT. PERFORMED PRELIMINARY INSPECTION. TROUBLESHOT AND FOUND PROBLEM ON SYNTHESIZER BOARD.Jun 2, 1998 · N515KA · Bell 206L3SDR HEEA0014492Control Unit · malfunctionedLOST PROGRAMMING; WILL NOT RE-PROGRAM. PERFORMED PRELIMINARY INSPECTION. UNABLE TO LOAD FREQUENCY INTO MEMORY.Jun 2, 1998 · N911HM · Bolkms BO105SSDR 98ZZZX2337Transceiver · failedTRANSMITS WEAK AND SQUELCH DOES NOT WORK. SENT FOR REPAIR. CONTROL NR 98-5-11.May 23, 1998 · N369AW · Hughes 369DSDR HEEA0014172Transceiver · failedTRANSCEIVER UNREADABLE WHEN TRANSMITTING. FOUND NO MODULATION AND UNIT DRAWING 4-5 AMPS OF CURRENT WHEN VOLUME WAS TURNED UP. REPLACED TRANSMIT BRACKET AND T702 TRANSFORMER. REPAIRED BOTH PROBLEMS. ADJUSTED C/N SQUELCH, SIDETONE AND MODULATION. FOUND GUIDEMay 12, 1998 · N27702 · Bell 206L1SDR HEEA0014155Transceiver · failedTRANSCEIVER WILL NOT TEST.May 11, 1998 · N5748M · Bell 214STSDR HEEA0014088Control · failed25K PULL TUNING KNOB COMES OUT OF CONTROL HEAD WHEN PULLED. PERFORMED PRELIMINARY INSPECTION. FOUND LOOSE LOCK RING IN UNIT. REINSTALLED LOCK RING, REPAIRED. TESTED UNIT. BENCH CHECK GOOD.Apr 29, 1998 · N59806 · Bell 214STSDR HEEA0014087Transceiver · defective50,250,400, AND 1200 LEDS WILL NOT LIGHT.Apr 29, 1998 · N3893L · Bell 412SDR HEEA0014079Transceiver · malfunctionTRANSCEIVER POWER OUT FLUCTUATES WHEN VIBRATED.Apr 29, 1998 · N2258F · Bell 412SDR HEEA0014078Transceiver · malfunctionTRANSCEIVER POWER OUT FLUCTUATES WHEN VIBRATED.Apr 29, 1998 · N141PH · Bell 412SDR 98ZZZX2110Transceiver · failedON 4-23-98 (HOUMA) WHILE IN CRUISE FLIGHT, PILOT HEARD SEVERAL LOUD 'POPS' FROM NR 2 VHF RADIO AND BEGAN TO PRODUCE THICK BLACK SMOKE. HE PULLED THE VHF 2 CIRCUIT BREAKER AND VENTILATED THE CABIN. CONTINUED WITH FLIGHT. MAINTENANCE REPLACED VHF RADIO.Apr 23, 1998 · N911HM · Bolkms BO105SSDR HEEA0014013Receiver · failedNAV COMM RECEIVER NO DISPLAY.Apr 22, 1998 · N6251X · Bell 206L3SDR HEEA0013948Control Unit · failedLED DISPLAY WON'T DIM. PERFORMED PRELIMINARY INSPECTION. REPLACED PHOTOCELL RT1. REPAIRED PROBLEM. ALSO FOUND THUMBWHEEL INTERMITTENT. CLEANED THUMBWHEEL AND RESOLDERED CONTACTS ON THUMBWHEEL. NO HELP. REPLACED THUMBWHEEL S1. REPAIRED PROBLEM. TOUCHED Apr 16, 1998 · N707AE · Skrsky S76ASDR HEEA0013937Transceiver · failedNO TRANSMIT OR RECEIVE (400 MHZ RT INOPERATIVE ON FM RADIO) FOUND K1 RELAY CORRODED. SYNTHESIZER BOARD CAUSES NON-LINEAR POWER.Apr 16, 1998 · N911MJ · Skrsky S76ASDR HEEA0013930Transceiver · failedHEAVY STATIC AND NO SIDETONE. PERFORMED PRELIMINARY INSPECTION. ADJUSTED C/N SQUELCH AND SIDETONE. REPAIRED. ALSO ADJUSTED CARRIER SQUELCH. FOUND TRANSMIT POWER OUT LOW. REPLACED C623 AND C624 CAPACITORS. NO HELP. REPLACED T604 TRANSFORMER. REPAIRED BUApr 16, 1998 · N81832 · Bolkms BO105SSDR HEEA0013922Transceiver · failedRADIO POWERS OFF BY ITSELF. (NO DISPLAY) VERIFIED COMPLAINT. PERFORMED PRELIMINARY INSPECTION AND FOUND UNIT TO HAVE NO DISPLAY DUE TO BURNT SPOT ON DISPLAY BOARD.Apr 16, 1998 · N104PH · Bell 206B3SDR HEEA0013920Transceiver · failedDISPLAY GOES OUT IN FLIGHT. "USE" DISPLAY IS INCORRECT. VERIFIED. "USE" DISPLAY INCORRECT. REPLACED I901 I.C. CHIP - NO HELP. REPLACED I505 AND I506 I.C. CHIPS - REPAIRED. TESTED UNIT. ADJUSTED SIDETONE. BENCH CHECK GOOD.Apr 15, 1998 · N40466 · Snias AS350B2SDR VNAA9804011Transceiver · failedDURING TAXI, THE NUMBER ONE COMM UNIT FAILED TO OPERATE. THE AIRCRAFT RETURNED TO THE GATE. MAINTENANCE INSPECTED AND REPLACED THE NUMBER ONE COMM UNIT, IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 23-10-00. OPERATIONAL CHECKS WERE COMPLETED, AND THE AIRCRApr 13, 1998 · N422JS · Dorner DO328100SDR 98ZZZX1978Transceiver · defectiveDISPLAY UNREADABLE. REMOVED AND REPLACED.Apr 2, 1998 · N171MU · Bolkms BK117A4SDR HEEA0013662Transceiver · failedNO POWER INDICATED. SMELLED BURNT. PERFORMED PRELIMINARY INSPECTION. FOUND OPEN FUSE, SHORTED TRANSISTOR Q507 AND BURN SPOT ON DISPLAY BOARD.Mar 26, 1998 · N2277A · Bell 206B3SDR HEEA0013660Transceiver · failedRECEIVES BUT WILL NOT TRANSMIT 118 MHZ RANGE. PERFORMED PRELIMINARY INSPECTION. FOUND UNIT NOT TRANSMITTING ON CORRECT FREQUENCY FROM 118MHZ TO 129MHZ. REPLACED TRANSISTORS Q307 AND Q308 IN VCO SECTION. REPAIRED PROBLEM. FOUND UNIT TO HAVE VERY WEAK RECEIVMar 26, 1998 · N5007N · Bell 206L1SDR HEEA0013579Transceiver · intermittentRECEIVES INTERMITTENT AND MIKE GAIN DEVIATION INTERMITTENT.Mar 26, 1998 · N911TL · Bolkms BK117B1SDR HEEA0013511Transceiver · failed24 MONTH INSPECTION DUE. PERFORMED PRELIMINARY INSPECTION AND TESTED UNIT. FOUND DISPLAY NOT DIMMING. SWAPPED OUT DS901 DISPLAY AND V901 PHOTOCELL. NO HELP. FOUND I509 INTEGRATED CIRCUIT (SURFACE MOUNT) BAD.Mar 23, 1998 · N2278V · Bell 206B3SDR EISA98066Vhf Com · intermittentAFTER TAKEOFF FROM BRU, NR 1 COM WORKED INTERMITTENTLY. AIR TURN BACK TO BRU. PERFORMED NR 1 VHF ANTENNA BONDING CHECK PER MM 23. NO DEFECTS FOUND. ANTENNA COAX AND ANTENNA RESISTANCE NORMAL. REMOVED AND REPLACED NR 1 VHF. (M)Mar 23, 1998 · N275WC · Boeing 727277SDR HEEA0013374Transceiver · failedNO 5 VOLTS OUT OF POWER SUPPLY AND CHECK TONES FOR PROPER OPERATION.Mar 18, 1998 · N10761 · Bell 206L1SDR HEEA0013183Receiver · failedDOES NOT TRANSMIT.Mar 4, 1998 · N401PH · Bolkms BK117A3SDR HEEA0013117Control · failedDISPLAY STAYS BRIGHT. PERFORMED PRELIMINARY INSPECTION. REPLACED V301 PHOTOCELL. REPAIRED. ALSO INSTALLED P201 HEADER, AND APPLIED HUMISEAL. CHECKED 5V LIGHTING. BENCH CHECK GOOD.Mar 3, 1998 · N7128R · Bell 412SDR 98ZZZX1505Transceiver · defectiveTRANSCEIVER PL TONE MODULATION IS INDICATING 1.8 HKZ TO 2.1 KHZ. CHECKED SPECS - SHOULD BE AROUND .75 TO .8 KHZ. REMOVED AND REPLACED.Feb 26, 1998 · N217MC · Bolkms BK117B1
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