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.
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
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 HEEA955981Transceiver · defectiveUNIT STARTS TRANSMITTING AS SOON AS POWER IS APPLIED. SENT TO THE RADIO SHOP FOR INSPECTION AND REPAIR.SDR 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.SDR 95ZZZX6968Transmitter · faultyWHEN TRANSMITTING, GOES TO TRANSMIT FOR ABOUT 2 SECONDS, THEN, SWITCHES BACK TO NO TRANSMIT.SDR 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.SDR 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.SDR HEEA955870Transceiver · shortedUNIT SHORTED. SMOKE CAME FROM UNIT WHEN TURNED ON.SDR 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. AIRCRASDR 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,SDR 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.SDR 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 SDR 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.SDR 95ZZZX7004Transceiver · inopTRANSCEIVER STILL INOP (WILL NOT TRANSMIT ON CHANNEL 'A').SDR 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.SDR HEEA955664Transceiver · malfunctionDOES NOT TRANSMIT WHEN GENERATORS ARE ON; ON GUARD OR MAIN. REPLACED U2 REGULATOR AND L9 COIL. REPAIRED.SDR HEEA955648Transceiver · inoperativeINOPERATIVE. GEARS BROKEN AND WAFER SWITCH BROKEN ON STORE, SELECT, RECALL CONTROL.SDR HEEA955646Transceiver · defectiveVERY LOUD STATIC NOISE ON ALL FREQUENCIES.SDR HEEA955604Transciever · weakTRANSCEIVER WEAK AND LOW MODULATION.SDR HEEA955603Transciever · weakTRANSCEIVER WEAK AND LOW MODULATION.SDR 95ZZZX5206Receiver · defectiveTRANSMIT RELAY STICKS. UNIT STILL INOPERATIVE. ZERO HOURS SINCE BENCH CHECK.SDR HEEA955573Transceiver · defectiveTRANSCEIVER UNIT HAS HESITATING POWER WHEN KEYING UP.SDR HEEA955510Control Unit · defectiveLOAD BUTTON STICKING. REPLACED S6 SWITCH. REPAIRED. THUMBWHEEL INTERMITTENT. REPLACED S1 THUMBWHEEL. REPAIRED.SDR 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.SDR HEEA955391Transceiver · defectiveDIMMER IS INOPERATIVE AND CHANNEL NUMBER DOES NOT APPEAR ON DISPLAY WHEN CHANNEL BUTTON IS PRESSED.SDR HEED95283Transciever · failedTRANSCEIVER HAS NO OUTPUT. WILL NOT TURN ON. REPLACE UNITSDR HEEA955351Transceiver · malfunctionSWITCHES CHANNELS BY ITSELF AND HARD TO CHANGE FREQUENCY.SDR HEEA955330Control · defectiveSQUELCH INOPERATIVE. REPLACED S6 SWITCH. REPAIRED.SDR HEEA955311Transceiver · defectiveTRANSCEIVER WILL NOT TUNE.SDR 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 APPROVSDR 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)SDR HEEA955225Transceiver · defectiveSQUELCH INOPERATIVE. STAYS ON. ALIGNED UNIT SEVERAL TIMES. REPLACED TRANSISTOR Q318. REPLACED RECEIVER BOARD. REPAIRED PROBLEM. ADJUSTED SQUELCH AND MODULATION. BENCH CHECK GOOD.SDR 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.SDR HEEA955185Control Unit · defective100MHZ THUMBWHEEL INTERMITTENT. REPLACED S1 THUMBWHEEL. REPAIRED.SDR HEEA955157Control Unit · defectiveTHUMBWHEEL LIGHTS POSITIONS 4 AND 6 ARE INOPERATIVE. REPLACED S1 THUMBWHEEL. REPAIRED. REPLACED 5 EACH DETERIORATED SWITCH BOOTS. REPAIRED.SDR 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.SDR HEEA955146Transceiver · defectiveOCCASIONALLY CUTTING OUT ON TRANSMIT. MIKE AUDIO IS INTERMITTENT. REPLACED BAD CR2 AND CR3 DIODES. REPAIRED.SDR HEEA955112Switch · failedCANNOT TRANSMIT ON RADIOS.SDR 95ZZZX4227Transceiver · defectiveTRANSCEIVER SQUEECH ON CONTINUOUSLY.SDR HEEA955012Transceiver · defectiveLIGHTS WILL NOT GET BRIGHT. FOUND 25K KNOB INOPERATIVE. REPLACED SWITCH S501. REPAIRED. BENCH CHECK GOOD.SDR 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.SDR 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.SDR HEEA954957Transciever · defective#1 VHF HAS SQUEAL IN BOTH TRANSMIT AND RECEIVE.SDR 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.SDR 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.SDR HEED95138Control Head · defectiveLOSES MEMORY WHEN RADIO IS OFF. ORDERED NEWSDR 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.SDR HEEA954790Antenna · intermittentRECEIVES INTERMITTENTLY.SDR 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.SDR 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 COMPRESSDR 95ZZZX3024Transceiver · inoperativeTRANSCEIVER FAILED. THERE IS NO TX, RCV, AND SIDELINE.SDR HEEA954631Transceiver · defectiveKNOB LOOSE.
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