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 HEEA076424Transceiver · malfunctionedWEAK AND GARBLED. IN SHOP REPAIR.SDR 2001F00478Radio · faultyNO VOICE ON TRANSMITTER. THIS RADIO WAS REINSTALLED IN ANOTHER AIRCRAFT AND WAS FOUND TO FUNCTION PROPERLY. REPLACED WITH SERVICEABLE VHF RADIO. (M)SDR KBMA111943Radio · inoperativeVHF RADIO, INOPERATIVE. REMOVED AND REPLACED WITH SERVICEABLE UNIT.SDR KBMA88796Switch · failedRADIO SWITCH DOES NOT WORK. INSTALLED SERVICEABLE UNIT.SDR HEEA075935Transceiver · failedNO INDICATED OUTPUT. SCRAPPED AND REPLACED WITH SERVICEABLE PART.SDR HEEA075934Transceiver · failedFIRST START OF THE DAY UNIT WOULD NOT TRANSMIT. REPLACED WITH SERVICEABLE PART.SDR HEEA075660Control Panel · failedDISPLAY UNREADABLE. PERFORMED PRELIMINARY INSPECTION. FOUND DISPLAY SEGMENTS UNREADABLE. FOUND CORROSION UNDER J203 HEADER CAUSING PROBLEM. REMOVED HEADER AND REMOVED CORROSION. REPLACED J203 HEADER AND APPLIED HUMISEAL AROUND HEADER FOR CORROSION CONTROL.SDR HEEA075594Control Unit · failedUNIT DOES NOT KEEP LAST TWO DIGITS WHEN TURNED ON. PERFORMED PRELIMINARY INSPECTION. FOUND IC 1205 BAD. REPLACED. BENCH CHECK GOOD.SDR HEEA075593Control Unit · inoperativeDISPLAY HAS ONE DIGIT INOPERATIVE. PERFORMED PRELIMINARY INSPECTION. FOUND IC 201 BAD. REPLACED. BENCH CHECK GOOD.SDR HEEA075591Transceiver · intermittentDIGITAL SEGMENTS ARE INTERMITTENT. PERFORMED PRELIMINARY INSPECTION. REPLACED DISPLAY. REPAIRED. BENCH CHECK GOOD.SDR HEEA075589Receiver · failedBAD FROM STOCK. FOUND AT 60 DEGREES TO. NEEDLE DOES NOT FOLLOW WHEN TURNING COMPASS. SENT TO GREATLAKES AVIONICS FOR WARRANTY REPAIR.SDR HEEA075586Transceiver · failedNOT TRANSMITTING. PERFORMED PRELIMINARY INSPECTION. FOUND DRAWING EXCESSIVE CURRENT. FOUND Q1 AND Q3 SHORTED. SENT TO AVCOM AVIONICS & INSTRUMENTS FOR INSPECTION AND REPAIR.SDR HEEA075585Transceiver · failedUNIT FAILED ALTITUDE CERTIFICATION. UNIT TRANSMITS IMPROPER CODES BETWEEN 700 AND 900 PA. PERFORMED PRELIMINARY INSPECTION. ADJUSTED TUBE FOR PROPER FREQUENCY BAND WIDTH. BENCH CHECK GOOD.SDR HEEA075584Transceiver · failedNO TRANSMIT. PERFORMED PRELIMINARY INSPECTION. FOUND FOUND V101 CAVITY OSCILLATOR BAD. REPLACED V101, REPAIRED. ADJUSTED TO SPECS. BENCH CHECK GOOD.SDR HEEA075583Transceiver · malfunctionedNO REPLY. PERFORMED PRELIMINARY INSPECTION. FOUND REPLY LIGHT VERY DIM DUE TO BAD PHOTOCELL. REPLACED V301 PHOTOCELL. REPAIRED PROBLEM. ALSO REPLACED BAD R477 RESISTOR AND ADJUSTED FREQUENCY AND PULSE WIDTH. BENCH CHECK GOOD.SDR HEEA075582Transceiver · brokenSELECTOR KNOB BROKEN INTERNALLY. PERFORMED PRELIMINARY INSPECTION. FOUND FACEPLATE BAD. REPLACED FACEPLATE. REPAIRED. CLEANED CODE SELECTOR WAFER SWITCHES. ALIGNED IF SECTION. UNIT BENCH CHECK GOOD.SDR HEEA075581Transceiver · failedWILL NOT TRANSMIT AT THE RIGHT FREQUENCY. PERFORMED PRELIMINARY INSPECTION. ADJUSTED FREQUENCY, PULSE WIDTH AND POWER. ALIGNED PRESELECTOR AND IF. REPAIRED. ALSO REPLACED BAD V301 PHOTOCELL. UNIT BENCH CHECK GOOD.SDR HEEA075580Transceiver · failedSQUELCH WILL NOT RESET AFTER RECEPTION OR TEST. SENT TO HONEYWELL, KANSAS FOR WARRANTY REPAIR.SDR HEEA075579Transceiver · failedFIRST AND LAST DIGITS DISAPPEAR INTERMITTENTLY. PERFORMED PRELIMINARY INSPECTION. FOUND DISPLAY NOT DIMMING PROPERLY. REPLACED V901 PHOTOCELL. REPAIRED. FOUND FREQUENCY SELECTORS INTERMITTENT AND MHZ CHANGED BY ITSELF A COUPLE OF TIMES. FOUND FREQUENCY SESDR HEEA075578Transceiver · malfunctionedTRANSMISSION GARBLED. PERFORMED PRELIMINARY INSPECTION. COULD NOT DUPLICATE COMPLAINT BUT FOUND DISPLAY LENS BAD. REPLACED LENS AND REPAIRED. ADJUSTED FREQUENCY AND SIDETONE. BENCH CHECK GOOD.SDR HEEA075577Transceiver · malfunctionedNO SIDETONE. PERFORMED PRELIMINARY INSPECTION. FOUND UNIT NOT MODULATING AND TRANSMIT POWER OUT EXCESSIVE AND COULD NOT ADJUST EITHER. REPLACED BAD Q109 AND Q110 TRANSISTORS. REPAIRED. ADJUSTED POWER OUT AND SIDETONE. FOUND L505 COIL BROKEN. REPLACED COILSDR HEEA075576Transceiver · malfunctionedSQUELCH STAYS ON ALL THE TIME AND THE RF CONNECTOR IS DAMAGED. PERFORMED PRELIMINARY INSPECTION. REPLACED BAD RF CONNECTOR. REPAIRED. ADJUSTED CARRIER SQUELCH, FREQUENCY AND POWER OUT. BENCH CHECK GOOD.SDR HEEA075575Radio · intermittentINTERMITTENTLY UNABLE TO CHANGE FREQUENCY. PERFORMED PRELIMINARY INSPECTION. FOUND SELECTOR KNOBS INTERMITTENTLY DO NOT CHANGE FREQUENCY. CLEANED WAFER SWITCHES. REPAIRED. FOUND POWER OUT LOW AT 135 MHZ. REPLACED C623 AND C624 CAPACITORS. REPAIRED. ADJUSDR HEEA075574Radio · malfunctionedWOULD NOT CHANGE FREQUENCY. REPLACED BAD KHZ KNOB/SHAFT AND RESOLDERED COLD SOLDER ON SW102 SWITCH. REPAIRED. ALIGNED RECEIVER AND ADJUSTED C/N SQUELCH, MIC GAIN AND SIDETONE. REPLACED BAD DISPLAY LENS. BENCH CHECK GOOD.SDR HEEA075573Radio · weakGARBLED AND WEAK. PERFORMED PRELIMINARY INSPECTION. FOUND UNIT HAD TOO MUCH POWER OUT BUT GOOD MODULATION. THEN MODULATORS BECAME VERY WEAK AND DISTORTED. FOUND Q121, Q122 TRANSISTORS BAD. REPLACED Q121 AND Q122 TRANSISTORS. ADJUSTED MIC GAIN AND SIDETONESDR 2001FA0000367Antenna · crackedA/C ARRIVED WITH AN ANTENNA 'FLUTTERS' SQUAK. UPON INSPECTION OF VHF COMM ANTENNA, IT WAS NOTED THAT THE ANTENNA WAS INSTALLED WITH NO SUPPORTING DOUBLER. UPON ANTENNA REMOVE, A 5.5 INCH RADIAL CRACK WAS DISCOVERED AROUND THE ANTENNA BASE. THE ADJOINING STRSDR 2001F00363Antenna · crackedAIRCRAFT ARRIVED WITH AN ANTENNA 'FLUTTERS' SQUAWK. UPON INSPECTION OF VHF COMM ANTENNA, IT WAS NOTED THAT THE ANTENNA WAS INSTALLED WITH NO SUPPORTING DOUBLER. UPON ANTENNA REMOVAL, A 5.5 INCH RADIAL CRACK WAS DISCOVERED AROUND THE ANTENNA BASE. THE ADJOINSDR 2001F00372Vhf Comm · faultyRADIO HAS STATIC AND NO DISPLAY. REPLACED WITH SERVICEABLE UNIT. (M)SDR KBMA88767Display · inoperativeLED DISPLAY UNREADABLE. REMOVED AND REPLACED WITH SERVICEABLE UNIT.SDR C1HA200196009Transceiver · failedNR 2 VHF COM WILL NOT TRANSMIT OR RECEIVE. AIR RETURN OVERWEIGHT LANDING MADE 175,000 LBS, SMOOTH. REPLACED NR 2 VHF TRANSCEIVER CHECKS GOOD. OVERWEIGHT LANDING INSPECTION ACCOMPLISHED.SDR HEEA073686Radio · failedVHF RADIO WILL NOT POWER UP. IN SHOP FOR REPAIR.SDR HEEA073685Transceiver · failedDISPLAY NUMBERS DON'T COME ON. IN SHOP FOR REPAIR.SDR ERAA074620Control Head · misrepairedCONTROL HEAD MODIFIED INCORRECTLY. WAS MODIFIED TO S INSTEAD OF A.SDR HEED073501Control Head · malfunctionedTURNS ITSELF OFF AFTER 2 OR 3 MINUTES. REPLACED UNIT.SDR LS1R073265Radio · distortedVHF RADIO IS DISTORTED.SDR CA010627013Static Wick · worn(CAN) DURING DECEND AND FLYING THROUGH PRECIPITATION, BOTH VHF RADIOS HAD HEAVY STATIC. AIRCRAFT LANDED WITHOUT INCIDENT. 5 STATIC DISCHARGERS WERE FOUND OUT OF LIMITS. ALL REPLACED IAW MM 23-61-00. NO FU RTHER INCIDENT DURING SUBSEQUENT FLIGHT.SDR KBMA88736Radio · inoperativeRADIO INOPERATIVE/ REPLACED WITH SERVICEABLE PART AS REQUIRED.SDR AU010385Radio · failed(AUS) VHF SYSTEM FAULTY.SDR HEEA072597Antenna · damagedREPORTED TO TRANSMIT GARBLED. SCRAPPED AND REPLACED WITH SERVICEABLE UNIT.SDR HEEA072670Transceiver · intermittentFM UHF BAND INTERMITTENTLY DOES NOT TRANSMIT OR RECEIVE.SDR HEEA072669Transceiver · malfunctionedHIGH LEVEL OF SQUELCH BLEEDING OVER INTO ALL AUDIO SYSTEMS. FOUND CORROSION ON UNIT. CLEANED CORROSION FROM UNIT. FOUND INTERMITTENT TRANSMIT ON HIGHER FREQUENCIES 469.9875 MHZ. ALIGNED TRANSMITTER TO SPECS. BENCH CHECK GOOD.SDR HEEA072732Transceiver · failedDOES NOT TRANSMIT OR RECEIVE. FOUND VCO TO BE BAD.SDR HEEA072623Transceiver · malfunctionedINTERMITTENT RADIO WOULD NOT BREAK SQUELCH. FOUND LENS BAD AND MHZ SWITCH HOUSING BAD. REPLACED SWITCH HOUSING, LENS AND FOUND POWER OUT LOW. ADJUSTED. REPLACED COIL T604. REPAIRED. ALSO FOUND MODULATION DISTORTED. REPLACED TRANSISTOR KIT Q124, Q130. RESDR HEEA072622Receiver · failedSQUELCH STAYS ON. ALIGNED RECEIVER SEVERAL TIMES. SWAPPED Q317 AND Q319 TRANSISTORS. REALIGNED RECEIVER BOARD. REPLACED Q304, Q305, Q306, Q307, Q308, Q317, Q318, Q319, Q320 AND Q321 TRANSISTORS AND I301 IC CHIP. ALSO REPLACED BROKEN NAMEPLATE. ADJUSTED VCSDR HEEA072621Transceiver · inoperativeINOPERATIVE, WILL NOT COME ON. FOUND FUSE OPEN. REPLACED HEADER AND APPLIED HUMISEAL TO HEADER FOR CORROSION CONTROL. ADJUSTED C/N SQUELCH, MIC GAIN, AND SIDETONE. BENCH CHECK GOOD.SDR HEEA072620Transceiver · out of adjTRANSMIT SCRATCHY. FOUND RF CONNECTOR LOOSE ON UNIT. TIGHTENED RF CONNECTOR. ALIGNED TRANSMITTER. REPAIRED. ADJUSTED CARRIER SQUELCH. REMOVED CORROSION FROM CHASIS. BENCH CHECK GOOD.SDR HEEA072619Transceiver · failedWILL NOT RECEIVE. REMOVED BROKEN PIN FROM RF CONNECTOR. REMOVED CORROSION FROM CHASIS. ADJUSTED C/N SQUELCH, CARRIER SQUELCH, MIC GAIN AND SIDETONE. BENCH CHECK GOOD.SDR HEEA072618Transceiver · failedON INITIAL INSTALLATION UNIT WOULD NOT TRANSMIT DURING FUNCTIONAL TEST. FOUND MODULATION WEAK WHEN UNIT WAS COOL AND WOULD GO UP AS UNIT WARMED UP. REPLACED CR325 DIODE AND REALIGNED TRANSMITTER. REPAIRED. BENCH CHECK GOOD.SDR CA010515013Powerpack · burned(CAN) SHORTLY AFTER TAKEOFF THE PILOT DETECTED THE SMELL OF SMOKE IN THE COCKPIT. HE ELECTED TO RETURN TO Fredericton AIRPORT AND DID A NORDO APPROACH AND LANDED SAFELY. MAINTENANCE FOUND THAT THE POWERPACK RESISTOR HAD BURNED AND THEREBY CUTOUT NR 1 RADIO. THSDR HEEA072447Transceiver · malfunctionedWILL NOT TRANSMIT ON ALL FREQUENCIES AND WILL NOT SWITCH. PERFORMED PRELIMINARY INSPECTION. COULD NOT DUPLICATE PROBLEM. ADJUSTED FREQUENCY. FOUND DISPLAY STAYING DIM ALL THE TIME. REPLACED BAD V901 PHOTOCELL. REPAIRED PROBLEM. BENCH CHECK GOOD.
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