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.
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 98ZZZX864Transceiver · defectiveTRANSCEIVER FREQUENCY KNOB WILL NOT WORK. STANDBY SELECT SWITCH WILL NOT WORK.SDR HEEA0013008Transceiver · failedTRANSCEIVER INOPERATIVE.SDR HEEA0012809Transceiver · defectiveGAIN TOO HIGH ON LOW RANGES.SDR HEEA0012808Transceiver · failedPOPS CIRCUIT BREAKER AND SHOWS RT FAULT ON INDICATOR.SDR HEEA0012802Transceiver · weakTRANSCEIVER WEAK POWER OUT. POWER AMPLIFIER ON RT ASSEMBLY BAD.SDR HEEA0012793Transceiver · failedTRANSCEIVER RECEIVES BUT DOES NOT TRANSMIT.SDR HEEA0012772Receiver · failedLOC RECEIVER NOT PULLING FLAG.SDR HEEA0012770Transceiver · failedTRANSCEIVER WILL NOT TRANSMIT. FOUND UNIT NOT RECEIVING. FOUND V20 NOT WORKING. REPLACED Q209, Q208, Q203, Q204, AND Q221 TRANSISTORS, CR209 DIODE, I216 AND I217 J.C. STILL NO TRANSMIT OR RECEIVE.SDR MVH0064186Transceiver · failedTRANSCEIVER REMOVED OFF FREQUENCY.SDR 98UAL900037Vhf Trans · failedLOST COMM ON FREQUENCY 127.8 MHZ ON NUMBER ONE VHF. COMM APPEARED WEEK ON OTHER FREQUENCIES AS WELL. *S/D* REPLACED NR 1 VHF COMM TRANSCEIVER, OP CHECKED GOOD.SDR HEEA0012731Transceiver · failedTRANSMITTER BROKEN, MODULATION VERY DISTORTED.SDR HEEA0012728Transceiver · failedVHF TRANSMITS ON 130.32 GARBLED, WEAK AND UNREADABLE.SDR HEEA0012727Transceiver · failedTRANSCEIVER HAS NO LED, NO TRANSMIT. NO RECEIVE, 9504 SHORTED.SDR HEEA0012726Transceiver · failedTHE "T" STAYS ON ALL THE TIME AND L/H SIDE OF DISPLAY GOES 188.88 SOMETIMES AND WILL NOT CHANGE.SDR HEEA0012725Transceiver · failedTRANSCEIVER LED DISPLAY GOES BLANK.SDR HEEA0012724Transceiver · failedTRANSCEIVER SMOKED. WILL NOT TRANSMIT OR RECEIVE.SDR REXA98020Connector · failedNR 2 COMM INOP. REMOVED AND REPLACED CO-AX CABLE CONNECTOR AT NR 2 COM ANTENNA. (M)SDR HEEA0012444Transceiver · failedTRANSCEIVER FREQUENCY DISPLAY INOPERATIVE.SDR 9800169997Transceiver · malfunctionedLOSS OF ALL RADIO COMMUNICATIONS OCCURRED WITH AIR TRAFFIC CONTROL AFTER TAKEOFF. FLIGHT WAS RETURNED TO STL AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED NR 1 VHF COMM TRANSCEIVER, NR 2 MICROPHONE, AND AUDIO CONTROL PANEL. OPERATIONAL CHECK NORMAL.SDR MVH0064182Transceiver · failedTRANSCEIVER HAD BROKEN RECEPTION.SDR HEEA0012405Transceiver · defectiveNOT ALL DISPLAY NUMBERS ARE VISIBLE. REPLACED INTEGRATED CIRCUITS I505 AND I506. REPAIRED. FOUND AUDIBLE TONE WHEN CHECKING MODULATION PERCENTAGE WITHOUT KEYING TRANSMITTER. FOUND LEG OF TRANSISTOR Q119 TO JUST ABOUT BE BROKEN WHEN REMOVED FOR CHECKING. RESDR HEEA0012402Comm Control · failedCOMM CONTROL DISPLAY SOMETIMES UNREADABLE. PERFORMED PRELIMINARY INSPECTION. REPLACED DISPLAY LENS. REPAIRED. ALSO REPLACED PHOTOCELL LENS AND HEADER P201. CHECKED 28V LIGHTING. BENCH CHECK GOOD.SDR HEEA0012366Control · failedDISPLAY STAYS BRIGHT. PERFORMED PRELIMINARY INSPECTION. FOUND DISPLAY NOT DIMMING. REPLACED V101 PHOTOCELL. REPAIRED. ALSO REPLACED INTERMITTENT TRANSFER SWITCH S102. REPAIRED. BENCH CHECK GOOD.SDR MVH0064181Transceiver · misrepairedTRANSCEIVER INSTALLED IN AIRCRAFT. ON FIRST FLIGHT, TONES WOULD NOT OPEN AND TRANSMIT WAS BROKEN AND GARBLED.SDR 97ZZZX5198Relay · burntWHILE TROUBLESHOOTING, INTERMITTENT RADIO OPERATION FOUND AVIONIC POWER RELAY TERMINAL NR 2 IN VERY DETERIORATED CONDITION DUE TO OVER HEATING. ADJACENT WIRING WAS ALSO DAMAGED. SUSPECT CORROSION ON TERMINAL. SUBMITTER STATED DUE TO LOCATION IN AN AREA PRONSDR 98ZZZX334Transceiver · malfunctionUNABLE TO AJDUST SIDE TONE/MIC GAIN DOWN TO A SUITABLE LEVEL TO MATCH OUTPUT OF OTHER AVIONICS EQUIPMENT. REMOVED AND REPLACED.SDR HEEA0012181Transceiver · failedTRANSCEIVER INOPERATIVE. WILL NOT RECEIVE OR TRANSMIT. PERFORMED PRELIMINARY INSPECTION. FOUND +20 VOLT LINE BAD. REPLACED TRANSISTOR Q101, Q102, & Q105. NO HELP. REPLACED INTEGRATED CIRCUITS U1, U15, CAPACITOR C1 AND TRANSISTORS Q1, Q2. REPAIRED +20 VOLSDR HEEA0012157Control Unit · failedCONTROL DISPLAY STAYS DIM. PERFORMED PRELIMINARY INSPECTION AND REPLACED V101 PHOTOCELL AND PHOTOCELL LENS, REPAIRED, TESTED, CHECKED 28V LIGHTING. BENCH CHECK GOOD.SDR HEEA0012126Transceiver · weakTRANSCEIVER -30DB WEAK RECEIVER SENSITIVITY AT TURN ON. REPLACED WITH SERVICEABLE PART.SDR HEEA0012075Transceiver · weak-30DB WEAK RECEIVER SENSITIVITY AT TURN ON.SDR HEEA0011969Transceiver · failedTRANSCEIVER WEAK AND UNREADABLE, NO TRANSMIT.SDR HEEA0011968Control · defectiveKFS594 CONTROL HAS NO DISPLAY.SDR HEEA0011957Transceiver · distortedTRANSCEIVER MODULATION AT 118 MHZ DISTORTED.SDR HEEA0011864Transceiver · intermittentRT40 TRANSCEIVER VERY INTERMITTENT RECEIVE.SDR HEEA0011863Transceiver · failedRT138 PIN ON FRONT CONNECTOR BROKEN. POPS CIRCUIT BREAKER.SDR HEEA0011860Transceiver · failedVHF TRANSCEIVER WILL NOT TRANSMIT IN FLIGHT. FOUND POWER OUT TO BE 3 WATTS BELOW SPECS. REPLACED CAPACITOR C623. REPAIRED. ADJUSTED SQUELCH AND SIDETONE. BENCH CHECK GOOD.SDR HEEA0011859Transceiver · failedTRANSCEIVER WILL NOT TRANSMIT. FOUND VR3 VOLTAGE REGULATOR ON VCO CONTROL BOARD INOPERATIVE. REPLACED VOLTAGE REGULATOR. REPAIRED UNIT. BENCH CHECK GOOD.SDR 98ZZZX281Transceiver · failedUPON INITIAL TRANSCEIVER INSTALLATION, CIRCUIT BREAKER TRIPS WHEN TRANSMITTER BUTTON IS KEYED. REMOVED AND REPLACED.SDR 97UAL900804Vhf Comm · inoperativeNUMBER 1 VHF COM WAS INOPERATIVE. NUMBER 2 VHF COM WAS INTERMITTENT.SDR HEEA0011506Control Head · defectiveCOVER FROM TEST BUTTON MISSING.SDR CA971106011Transceiver · failed(CAN) ON APPROACH WHEN SWITCHING TO TOWER FREQ, A COMPLETE RADIO FAILURE OCCURRED. UNABLE TO ESTABLISH COMMUNICATION UNTIL ON GROUND. THEN FIRST OFFICER CONTACTED MAINT ON FREQ 121.8. TOWER CONTACTED AND INFORMED OF PROBLEM.SDR HEEA0011434Transmitter · inoperativeTRANSMITTER INOPERATIVE.SDR HEEA0011317Transceiver · malfunctionBLINKING SEGMENT ON KFS594 DISPLAY, NO 28VDC SWITCHED OUT.SDR HEEA0011245Transceiver · inoperativeTRANSCEIVER INOPERATIVE.SDR HEEA0011241Transceiver · malfunctionSEGMENTS OF LETTERS INTERMITTENTLY DISAPPEAR. FOUND UNIT DISPLAY TO FLUTTER AND GO DIM INTERMITTENTLY AFTER WARMED UP. REMOVED SMALL METAL FLAKES FROM DISPLAY BOARD AND CLEANED REAR CONNECTOR. NO HELP. FOUND UNIT TO HAVE HISTORY OF DISPLAY PROBLEMS.SDR HEEA0011229Transceiver · failedINDICATOR DISPLAYS "RT FAULT".SDR TC8A97046Fire Warning · activatedDURING CLIMBOUT OF 9,000 FT, NR 4 FIRE WARNING CAME ON. ENGINE FIRE CHECKLIST CARRIED OUT. RETURNED TO DAYTON.SDR MASA97138Rt Unit · internal failureAIRSHUTTLE 5358 - ITH-PHL - AFTER TAKEOFF, CREW NOTICED SMOKE COMING FROM ANNUNCIATOR PANEL AREA. CREW RETURNED TO FIELD. MAINTENANCE INSPECTED AND FOUND NR 2 COMM CONTROL HEAD SHORTED OUT. AIRCRAFT WAS FERRIED TO PHI FOR REPLACEMENT. UPON BEING RETURNED TSDR HEEA0010843Transceiver · weakTRANSCEIVER WEAK AND GARBLED RECEPTION.SDR HEEA0010835Transceiver · failsDROPS OFF THE LINE WHEN IT HEATS UP. SENT TO ALLIED SIGNAL AVIONICS FOR INSPECTION AND REPAIR.
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