JASC 2312

Service difficulty reports · 1,272

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 HEEA955981Transceiver · defectiveUNIT STARTS TRANSMITTING AS SOON AS POWER IS APPLIED. SENT TO THE RADIO SHOP FOR INSPECTION AND REPAIR.Nov 8, 1995 · N1545X · Skrsky S76ASDR HEEA955941Transceiver · staticTRANSCEIVER HAS CONSTANT STATIC IN FLIGHT. COULD NOT DUPLICATE ON GROUND. COULD NOT VERIFY COMPLAINT. REPLACED BAD DISPLAY DS901. ADJUSTED MODULATION AND SIDETONE. BENCH CHECK GOOD.Oct 31, 1995 · N5029H · Bolkms BO105SSDR 95ZZZX6968Transmitter · faultyWHEN TRANSMITTING, GOES TO TRANSMIT FOR ABOUT 2 SECONDS, THEN, SWITCHES BACK TO NO TRANSMIT.Oct 31, 1995 · N365SC · Aerosp SA365N1SDR 95ZZZX6227Antenna · failedDEN - FLT 354 - NR 1 COMM RADIO BECOMES TOTALLY UNUSEABLE AS DISTANCE INCREASES TO STATION. COMPLETELY DEAD ON 1ST CENTER FREQUENCY. REMOVED AND REPLACED NR 1 VHF COMM ANTENNA PER MM. OPS CHECK GOOD.Oct 19, 1995 · N614AW · Bag BAE146300ASDR HEEA955878Transciever · defectiveBENCH CHECK NEEDED. INSPECTED AND TESTED. REPLACED HEADER J304 AND APPLIED HUMISEAL TO HEADER FOR CORROSION CONTROL. ADJUSTED MODULATION AND TRANSMIT COMPRESSOR TO SPECS. COOKED UNIT. BENCH CHECK GOOD.Oct 13, 1995 · N22342 · Skrsky S76ASDR HEEA955870Transceiver · shortedUNIT SHORTED. SMOKE CAME FROM UNIT WHEN TURNED ON.Oct 12, 1995 · N134AE · Bolkms BK117B2SDR VTZA96006Comm 1 · bad connectionIAD/EWR - FLT 6150 - DURING CLIMB-OUT AT 0710 HRS ON 10-07-95, RETURNED TO IAD DUE TO THE NR 1 RMU HAS DASHES IN THE DISPLAY AND NO FREQUENCY. AIRCRAFT LANDED AT IAD WITH NO FURTHER INCIDENTS. MAINTENANCE RE-RACKED THE NR 1 COMM UNIT, OPS CHECK GOOD. AIRCRAOct 7, 1995 · N317UE · Jetair JETSTM4101SDR HEEA955854Transciever · malfunctionTRANSCEIVER WILL NOT TRANSMIT OR RECEIVE. NO TRANSMIT OR RECEIVE. FOUND OPEN FACE. TROUBLESHOT ENTIRE POWER SUPPLY FOR SHORTS ON 27.5V LINE. REPLACED FUSE F101. REPAIRED. COOKED UNIT AND VIBRATED ON BENCH. ALIGNED RECEIVER TO SPECS. ADJUSTED C/N SQUELCH,Oct 5, 1995 · N15459 · Skrsky S76ASDR HEEA955853Control Unit · defectiveCONTROL UNIT VOLUME CONTROL WORKS EITHER FULL VOLUME OR OFF. NO CONTROLLING VOLUME. REPLACED R1/S5 VOLUME SWITCH. REPAIRED. FOUND THUMBWHEEL TO INTERMITTENTLY DIAL WRONG FREQUENCIES. REPLACED S1 THUMBWHEEL. REPAIRED.Oct 5, 1995 · N2743E · Skrsky S76ASDR HEEA955848Transciever · defectiveTRANSCEIVER TRANSMISSIONS SCRATCHY. FOUND MODULATION AND TRANSMIT COMPRESSOR OUT OF SPECS. ADJUSTED TRANSMIT COMPRESSOR AND MODULATION TO SPECS. REPAIRED. ALSO ADJUSTED C/SQUELCH, FREQUENCY, AND SIDETONE TO SPECS. REPLACED HEADER J304 AND APPLIED HUMISEAL Oct 5, 1995 · N22347 · Bell 412SDR HEEA955846Control Unit · defectiveINSPECT FOR CORROSION. INSPECTED CONTROL UNIT, BUT FOUND NO CORROSION. HOWEVER, FOUND THUMBWHEEL TO BE INTERMITTENTLY DIALING UP WRONG FREQUENCIES. REPLACED 1 EACH S1 THUMBWHEEL. REPAIRED.Oct 5, 1995 · N1079U · Bell 212SDR 95ZZZX7004Transceiver · inopTRANSCEIVER STILL INOP (WILL NOT TRANSMIT ON CHANNEL 'A').Oct 2, 1995 · N495LF · Bolkms BO105SSDR P5CA9500780Panel · malfunctionedWHILE IN POSITION AND HOLDING FOR TAKEOFF, EXPERIENCED FAILURE OF VHF NR 1 AND VHF NR 2. DISCONNECTED ELECTRONICS BAY AUDIO SELECTOR PANEL PLACARDED AND DISPATCHED.Sep 24, 1995 · N857FT · Boeing 747132SDR HEEA955664Transceiver · malfunctionDOES NOT TRANSMIT WHEN GENERATORS ARE ON; ON GUARD OR MAIN. REPLACED U2 REGULATOR AND L9 COIL. REPAIRED.Aug 31, 1995 · N7062X · Bolkms BO105SSDR HEEA955648Transceiver · inoperativeINOPERATIVE. GEARS BROKEN AND WAFER SWITCH BROKEN ON STORE, SELECT, RECALL CONTROL.Aug 31, 1995 · N352TT · Bolkms BO105SSDR HEEA955646Transceiver · defectiveVERY LOUD STATIC NOISE ON ALL FREQUENCIES.Aug 31, 1995 · N6040U · Aerosp AS355F2SDR HEEA955604Transciever · weakTRANSCEIVER WEAK AND LOW MODULATION.Aug 24, 1995 · N230UN · Bell 230SDR HEEA955603Transciever · weakTRANSCEIVER WEAK AND LOW MODULATION.Aug 24, 1995 · N230UN · Bell 230SDR 95ZZZX5206Receiver · defectiveTRANSMIT RELAY STICKS. UNIT STILL INOPERATIVE. ZERO HOURS SINCE BENCH CHECK.Aug 17, 1995SDR HEEA955573Transceiver · defectiveTRANSCEIVER UNIT HAS HESITATING POWER WHEN KEYING UP.Aug 8, 1995 · N90752 · Bolkms BO105SSDR HEEA955510Control Unit · defectiveLOAD BUTTON STICKING. REPLACED S6 SWITCH. REPAIRED. THUMBWHEEL INTERMITTENT. REPLACED S1 THUMBWHEEL. REPAIRED.Aug 2, 1995 · N911BR · Bolkms BO105SSDR HEEA955401Transceiver · defectiveLED DISPLAY INOPERATIVE. REPLACED DS901. STILL HAD INTERMITTENT DISPLAY WHEN BOTTOM OF UNIT PRESSED ON. FOUND THAT MOVEMENT OF Q507 TRANSISTOR CAUSED DISPLAY TO FLICKER. RESOLDERED Q507 TRANSISTOR AND REPAIRED PROBLEM. UNIT BENCH CHECK GOOD.Jul 20, 1995 · N5007Q · Bell 206L1SDR HEEA955391Transceiver · defectiveDIMMER IS INOPERATIVE AND CHANNEL NUMBER DOES NOT APPEAR ON DISPLAY WHEN CHANNEL BUTTON IS PRESSED.Jul 20, 1995 · N5014V · Bell 206L1SDR HEED95283Transciever · failedTRANSCEIVER HAS NO OUTPUT. WILL NOT TURN ON. REPLACE UNITJul 12, 1995 · N89H · Skrsky S76CSDR HEEA955351Transceiver · malfunctionSWITCHES CHANNELS BY ITSELF AND HARD TO CHANGE FREQUENCY.Jul 11, 1995 · N206FS · Bell 206L3SDR HEEA955330Control · defectiveSQUELCH INOPERATIVE. REPLACED S6 SWITCH. REPAIRED.Jul 6, 1995 · N105WK · Bolkms BO105SSDR HEEA955311Transceiver · defectiveTRANSCEIVER WILL NOT TUNE.Jul 5, 1995 · N3893S · Bell 412SDR VTZA95211Antenna · damagedRDU/IAD - FLT 6190 - DURING CRUISE AT 2109 HRS ON 7-1-95, EXPERIENCED A LIGHTNING STRIKE. AIRCRAFT LANDED AT IAD WITH NO FURTHER INCIDENTS. MAINTENANCE REPLACED THE RIGHT AILERON, THE NR 2 COMM ANTENNA, AND THE LOWER STROBE. AIRCRAFT WAS RELEASED AND APPROVJul 1, 1995 · N487UE · Bag JETSTM3201SDR PCAA9500231Vhf Unit · looseCREW REPORTED LOSS OF ALL VHF COMMUNICATIONS. AIRCRAFT LANDED IN BOS WITHOUT INCIDENT. BOS MAINTENANCE FOUND RADIO ELECTRONICS UNIT UNSECURED. SECURED UNIT IN RACK. OPERATIONALLY CHECKED NORMAL. AIRCRAFT RETURNED TO SERVICE. (M)Jun 27, 1995 · N831EX · Dhav DHC8102SDR HEEA955225Transceiver · defectiveSQUELCH INOPERATIVE. STAYS ON. ALIGNED UNIT SEVERAL TIMES. REPLACED TRANSISTOR Q318. REPLACED RECEIVER BOARD. REPAIRED PROBLEM. ADJUSTED SQUELCH AND MODULATION. BENCH CHECK GOOD.Jun 26, 1995 · N7128R · Bell 412SDR HEEA955194Transceiver · defectiveTAKES AWHILE FOR DISPLAY TO COME ON AND A LOT OF BACKGROUND NOISE WHEN TRANSMITTING. VERIFIED DISPLAY HAD MISSING SEGMENTS. REPLACED DISPLAY DS901 P/N 037-5060-01. REPAIRED PROBLEM. BENCH CHECK GOOD.Jun 15, 1995 · N6160Z · Bell 206L3SDR HEEA955185Control Unit · defective100MHZ THUMBWHEEL INTERMITTENT. REPLACED S1 THUMBWHEEL. REPAIRED.Jun 13, 1995 · N27766 · Bell 206L1SDR HEEA955157Control Unit · defectiveTHUMBWHEEL LIGHTS POSITIONS 4 AND 6 ARE INOPERATIVE. REPLACED S1 THUMBWHEEL. REPAIRED. REPLACED 5 EACH DETERIORATED SWITCH BOOTS. REPAIRED.Jun 13, 1995 · N911LK · Bolkms BK117B2SDR HEEA955156Control Unit · defectiveFACE PLATE HAS LOOSE SCREWS. TIGHTENED LOOSE SCREWS AND REPLACED THREE EACH MISSING SCREWS ON FACEPLATE. "TEST" SWITCH INTERMITTENT. REPLACED S6 SWITCH. REPAIRED.Jun 13, 1995 · N90752 · Bolkms BO105SSDR HEEA955146Transceiver · defectiveOCCASIONALLY CUTTING OUT ON TRANSMIT. MIKE AUDIO IS INTERMITTENT. REPLACED BAD CR2 AND CR3 DIODES. REPAIRED.Jun 13, 1995 · N911NC · Bolkms BK117A3SDR HEEA955112Switch · failedCANNOT TRANSMIT ON RADIOS.May 31, 1995 · N7074W · Bell 206LSDR 95ZZZX4227Transceiver · defectiveTRANSCEIVER SQUEECH ON CONTINUOUSLY.May 26, 1995 · N725RE · Bell 206L3SDR HEEA955012Transceiver · defectiveLIGHTS WILL NOT GET BRIGHT. FOUND 25K KNOB INOPERATIVE. REPLACED SWITCH S501. REPAIRED. BENCH CHECK GOOD.May 18, 1995 · N217UC · Bolkms BK117B1SDR HEEA954960Control Unit · defectiveCANNOT CHANGE FREQUENCIES. REPLACED BAD TRANSFER SWITCH S102. REPAIRED. REPLACED WEAK DISPLAY DS101 AND FADED LENS. REPLACED HEADER P201 AND APPLIED HUMISEAL TO HEADER FOR CORROSION CONTROL. BENCH CHECK GOOD.May 10, 1995 · N401PH · Bolkms BK117A3SDR HEEA954958Transceiver · inoperativeTRANSCEIVER INOPERATIVE; UNIT DOESN'T POWER UP. FOUND BURNT FOIL FOR 27.5V LINE FROM R400 RESISTOR TO E444 BOTH LOCATED ON THE MAIN BOARD. ALSO FOUND DS101 DISPLAY HAD SOME VERY WEAK DIGITS DISPLAYED. REPLACED DS101 AND REPAIRED. BENCH CHECK GOOD.May 10, 1995 · N2020R · Bell 206BSDR HEEA954957Transciever · defective#1 VHF HAS SQUEAL IN BOTH TRANSMIT AND RECEIVE.May 10, 1995 · N33008 · Bell 412SDR EGRA9591Audio Card · defectiveHIGH BAND RADIO RT-138 HAS CONSTANT SQUELCH ON SELECTED PL TONES RT-138F, P/N 400-014525, S/N 1285 TROUBLESHOT AND REPLACED DEFECTIVE A3 AUDIO CARD, P/N 300-2181-050. REPAIR DONE IAW VENDOR REPORT #1325, JUL 1/89.May 10, 1995 · N1NJ · Skrsky S76BSDR HEEA954924Control Unit · defectiveLOWER SECTION HAD SEGMENTS MISSING AND INTERMITTENT. FOUND CORROSION UNDER HEADER J203. REPLACED HEADER J203 AND CLEANED CORROSION. REPAIRED PROBLEM. CHECKED 28V BACKLIGHTING. BENCH CHECK GOOD.May 4, 1995 · N2148K · Bell 412SDR HEED95138Control Head · defectiveLOSES MEMORY WHEN RADIO IS OFF. ORDERED NEWApr 25, 1995 · N236X · Bell 230SDR HEEA954870Transceiver · defectiveKNOB LOOSE. FOUND THE FOLLOWING PARTS BAD - SPUR GEAR DRIVE BROKEN. BEARING WORN, SPUR GEAR FOLLOWER HAS BROKEN TOOTH, GUIDE CIRCUIT CARD IS CRACKED. PLATE FOR VOLUME TEST SWITCH HAS STRIPPED THREAD.Apr 24, 1995 · N3535T · Bolkms BO105SSDR HEEA954790Antenna · intermittentRECEIVES INTERMITTENTLY.Apr 18, 1995 · N217UC · Bolkms BK117B1SDR HEEA954760Transceiver · corrodedBENCH CHECK REQUIRED. INSPECTED AND FOUND CORROSION. CLEANED CORROSION ON CHASIS AND APPLIED ALODINE. FOUND C101 CAPACITOR ON POWER SUPPLY BOARD HAD LEAKAGE. REPLACED C101 CAPACITOR. REPAIRED. BENCH CHECK GOOD.Apr 11, 1995 · N1545X · Skrsky S76ASDR HEEA954709Transciever · failedPILOT REPORTS NO TRANSMITTER OUTPUT. FOUND CORROSION HAD EATEN THROUGH MAINBOARD UNDER HEADER J304. FOUND MAIN BOARD TO BE UNREPAIRABLE. REPLACED MAINBOARD. CLEANED CORROSION ON CHASIS AND ALODYNED. ADJUSTED SQUELCH, MODULATION, FREQUENCY, TRANSMIT COMPRESApr 7, 1995 · N707AE · Skrsky S76ASDR 95ZZZX3024Transceiver · inoperativeTRANSCEIVER FAILED. THERE IS NO TX, RCV, AND SIDELINE.Mar 25, 1995 · N726H · Bell 206L3SDR HEEA954631Transceiver · defectiveKNOB LOOSE.Mar 24, 1995 · N3535T · Bolkms BO105C
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