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 MVH0064217Switch · intermittentSWITCH INOPERATIVE, INTERMITTENT ACTIVATION.SDR MVH0064106Transceiver · failedRT 450 WILL NOT TURN ON.SDR 96ZZZX4369Switch · defectivePILOT REPORTED THE PILOT'S TRANSMIT SWITCH WAS INOPERATIVE, INTERMITTENT. INSPECTED TRANSMIT SWITCH AND FOUND CONTACT BENT. INSTALLED NEW SWITCH, P/N 90-367, AND OPS TESTED.SDR 96ZZZX4769Transceiver · failedINSTALLED UNIT, TURNED ON POWER, CONTROL HEAD GUARD INDICATOR LIGHTS ILLUMINATED, AND STAYED LIT EVEN WITH NO GUARD MODULE INSTALLED.SDR HEEA967574Control Unit · defectiveDISPLAY WILL NOT DIM. REPLACED PHOTOCELL RT1. REPAIRED. ALSO REPLACED INTERMITTENT THUMBWHEEL ASSY. FOUND WITH TRANSMITTER MANUAL/GD SWITCH TO GD, AND TRYING TO LOAD A FREQUENCY INTO THE RECEIVE PRESET POSITION, DISPLAY WOULD BLANK. FOUND SOLDER BRIDGE ON SDR HEEA967567Transceiver · defectiveMHZ, KHZ FREQUENCY, TRANSFER FREQUENCY AND CHANNEL FREQUENCY UNABLE TO CHANGE.SDR HEEA967565Transceiver · defectiveSTANDBY LED DIGITS NOT ALL LIGHTING UP.SDR 96ZZZX4672Transceiver · failedTRANSCEIVER WILL NOT TRANSMIT WHEN UNIT GETS HOT.SDR 96ZZZX4674Transceiver · defectiveTRANSCEIVER WILL NOT TRANSMIT CLEAR, BUT RECEIVES OK. PART WAS JUST IN FOR REPAIR 5-14-96.SDR HEEA967429Transceiver · defectiveDISPLAY DIM AND LENS FADED.SDR 96ZZZX4673Control Unit · defectiveENTER KNOB INOPERATIVE.SDR HEEA967378Radio · smokedRADIO STARTED TO SMOKE AFTER INITIAL CHECK.SDR HEEA967370Transceiver · failedTRANSCEIVER WON'T TRANSMIT. TIME SINCE REPAIR 0:00.SDR HEEA967330Transceiver · malfunctionWILL TRANSMIT BUT NOT RECEIVE.SDR CA960723535Transmitters · inoperative(CAN) DURING FLIGHT COMPLETE VHF COMMUNICATION FAILURE OCCURRED. MAINTENANCE ACTION INVOLVED CHANGING #1 AND #2 VHF TRANSMITTERS AND #1 & #2 AUDIO SELECTOR PANELS.SDR HEEA967289Transceiver · defectiveTX AND RX BREAKS UP DURING ENGINE RUN-UP.SDR 96ZZZX3669Transceiver · failedVHF-FM HI BAND RADIO WILL NOT TRANSMIT OR RECEIVE. REMOVED AND REPLACED.SDR HEEA967266Transceiver · failedWILL NOT TUNE AND DRAWS EXCESSIVE CURRENT WHEN KEYED. SENT TO ALLIED SIGNAL AVIONICS FOR INSPECTION AND REPAIR.SDR HEEA967262Control Unit · defectiveDIGITS WEAK AND HARD TO TUNE. FOUND PHOTOCELL BAD. REPLACED PHOTOCELL V101 AND LENS COVER. BENCH CHECK GOOD.SDR HEEA967258Transceiver · failedUNABLE TO RECEIVE.SDR HEEA967257Transceiver · mis wiredHUM ON LINE AND AUDIO CUTS OUT WHEN POWER SUPPLY IS DECREASED BELOW +280. FOUND THE INPUT AND OUTPUT OF U2 WAS WIRED WRONG. REWIRED U2 CORRECTLY AND UNIT MEETS MANUFACTURERS SPECS. REPAIRED.SDR HEEA967207Transceiver · defectiveRECEIVER SENSITIVITY BAD AND CONSTANT SQUELCH.SDR 96ZZZX3162Transceiver · burned smellWHEN VHF CIRCUIT BREAKERS WERE PUSHED IN, THE FREQUENCY INDICATOR LIGHTS FLASHED ON/OFF. DURING HOVER TO THE MAINTENANCE PAD FROM THE BACK ROW, PILOT SMELLED FUMES. REMOVED VHF RADIO AND INSTALLED SERVICEABLE RADIO AND REMOVED BURNED SMELL. VISUALLY INSPECTSDR 96ZZZX2572Transistor · failedTRANSMITTER MODULATOR TRANSISTOR Q3702 FAILED (SHORTED) CAUSING IC DRIVER U3701 TO FAIL. BOTH OF THESE COMPONENTS WERE BURNED CAUSING AN ELECTRICAL FIRE SMOKE ODOR TO BE PRESENT IN THE AIRCRAFT COCKPIT. SUBMITTER SUGGESTS THIS APPEARS TO BE AN ISOLATED INCIDSDR 96ZZZX2571Ic Driver · failedTRANSMITTER MODULATOR TRANSISTOR Q3702 FAILED (SHORTED) CAUSING IC DRIVER U3701 TO FAIL. BOTH OF THESE COMPONENTS WERE BURNED CAUSING AN ELECTRICAL FIRE SMOKE ODOR TO BE PRESENT IN THE AIRCRAFT COCKPIT. SUBMITTER SUGGESTS THIS APPEARS TO BE AN ISOLATED INCIDSDR 96ZZZX2938Transceiver · defectiveSUBMITTER STATED TRANSCEIVER HAS NOT WORKED PROPERLY SINCE NEW. UNIT HAS BEEN REPAIRED NUMEROUS TIMES AND UPDATED WITH SEVERAL MODS. NONE OF THOSE REPAIRS OR MODS HAVE WORKED.SDR 96ZZZX3171Transceiver · defectiveRADIO REC. AND CANNOT CHANGE FREQUENCY. REMOVED AND REPLACED.SDR HEEA967077Transceiver · failedRADIO DOES NOT TRANSMIT OR RECEIVE. TRANSCEIVER DOESN'T TRANSMIT OR RECEIVE.SDR HEEA967072Transceiver · display inopDISPLAY DOES NOT FUNCTION WHEN IT IS DARK. REPLACED DS101 DISPLAY, REPAIRED. ADJUSTED FREQUENCY, C/W SQUELCH AND SIDETONE. BENCH CHECK GOOD.SDR HEEA967071Transceiver · failedTRANSMITS BUT DOESN'T RECEIVE. FOUND UNIT WOULD RECEIVE BUT NOT TRANSMIT. REPLACED MODULATORS Q124. REPAIRED. BENCH CHECK GOOD.SDR HEEA967070Control Unit · failedCONTROL UNIT DOES NOT WORK. REPLACED FUSE F1. REPAIRED. FOUND VOLUME TO HAVE DEAD SPOTS WHEN TURNING VOLUME KNOB. REPLACED ON/OFF PONTENTIOMETER R1/S5. REPAIRED. BENCH CHECK GOOD.SDR HEEA967061Control Unit · fuse blownDOES NOT COME ON. REPLACED FUSE F1. REPAIRED. BENCH CHECK GOOD.SDR HEEA967047Transceivr · defectiveTRANSMITS AND RECEIVES WEAK.SDR HEEA967045Transceivr · failedTRANSCEIVER WON'T RECEIVE.SDR HEEA967044Transceivr · distortedDISTORTED TRANSMISSION.SDR HEEA967032Transceiver · defectiveFLICKERING DISPLAY AND GARBLED RECEPTION.SDR HEEA967030Transceiver · inoperativeTRANSCEIVER INOPERATIVE DISPLAY. DOESN'T TRANSMIT OR RECEIVE. SMELLS BURNT.SDR HEEA967028Transceiver · defectiveREADOUT STAYS DIM IN BRIGHT LIGHT. FOUND THAT DISPLAY LENS HAD LOST IT'S TINT. REPLACED DISPLAY LENS - REPAIRED PROBLEM. ADJUSTED SIDETONE. BENCH CHECK GOOD.SDR HEEA967027Control · faultyLED DISPLAY DIM AND DIFFICULT TO READ IN SUNLIGHT. REPLACED PHOTOCELL V101 P/N 134-05005-0002. ALSO REPLACED PHOTOCELL LENS P/N 088-0548-00. REPAIRED. CHECKED LIGHTING AND TOUCHED UP FACEPLATE. BENCH CHECK GOOD.SDR 96ZZZX3180Transceiver · pot missingRECEIVED THIS UNIT WITH SIDE TONE ADJ. POT MISSING FROM AUDIO BOARD. INSTALLED AUDIO SIDE TONE MISSING POT, BENCH ALIGN AND CHECK. REMOVED AND REPLACED.SDR DLM88960770Tr Unit · malfunctionedLOST BOTH RADIOS INFLIGHT, ALL FREQUENCIES. JAMMED WHATEVER FREQ WAS SELECTED WITH CONSTANT TRANSMISSION. ATTEMPTED ALL COMBINATIONS OF AMPS, RADIOS AND MICS TO NO AVAIL. FINAILLY SOMETHING CHANGED AND WE WERE ABLE TO ISOLATE PROBLEM TO F/O'S SIDE. ANY RADSDR AU960467Radio System · faulty(AUS) RADIO SYSTEM JAMMED IN TRANSMIT MODE ON THREE OCCASIONS - ON LANDING, AFTER EACH FAILURE THE SYSTEM OPERATED NORMALLYSDR HEEA966916Control Unit · defectiveTRANSMITS BUT WILL NOT RECEIVE. VERIFIED UNIT DOES NOT RECEIVE. REPLACED ON/OFF SWITCH. REPAIRED. BENCH CHECK GOOD.SDR HEEA966915Transceiver · defectiveVOLUME WILL NOT CONTROL. COULD NOT VERIFY PROBLEM WITH VOLUME CONTROL BUT FOUND DISPLAY WOULD NOT DIM. REPLACED PHOTODETECTOR V901. REPAIRED. ADJUSTED AND TESTED UNIT. BENCH CHECKGOOD.SDR HEEA966904Transceiver · failedTRANSCEIVER WILL NOT TRANSMIT OR RECEIVE.SDR HEEA966903Transceiver · failedTRANSCEIVER WILL NOT TRANSMIT.SDR HEEA966901Control Unit · defective2ND DIGIT FROM LEFT, #5 UNREADABLE ON FREQUENCY SELECTOR. REPLACED THUMBWHEEL ASSEMBLY. AFTER INSTALLATION OF THUMBWHEEL BY PREVIOUS TECHNICIAN, FOUND THUMBWHEEL TO BE INOPERATIVE. RESOLDERED SEVERAL COLD SOLDER JOINTS IN THUMBWHEEL ASSY. REPAIRED. BENCH CSDR HEEA966882Transceiver · defectiveVOLUME CREEPS UP ON ITS OWN. UNABLE TO ADJUST TRANSMIT COMPRESSOR TO SPECS.SDR HEEA966877Control · defectiveLIGHT INOPERATIVE AND BROKEN COUNTER WHEELS. SENT TO ALLIED SIGNAL AVIONICS FOR INSPECTION AND REPAIR.SDR HEEA966875Control · defectiveVOLUME CONTROL IS NOT LINEAR AND DISPLAY FLASHES ON AND OFF. COULD NOT DUPLICATE PROBLEM. TESTED UNIT AND FOUND TRANSFER SWITCH BAD. REPLACED SWITCH S102 P/N 031-0399-01. REPAIRED. ALSO PERFORMED HEADER MOD. REPLACED HEADER P201 P/N 030-2368-16. TOUCHED
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