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 HEEA966858Transceiver · defectiveNO LED AFTER 20 MINUTES OF FLIGHT. ALSO WENT DEAD, AFTER SHUTOFF FOR 5 MINUTES NO LED BUT COULD T/R ON LOST SET FREQUENCY. FOUND DISPLAY BOARD BURNT. REPLACED DISPLAY BOARD. NO HELP. REPLACED TRANSISTOR Q507. NO HELP. REPAIRED OPEN RUN FROM COLLECTOR OF SDR HEEA966854Transceiver · failedWILL NOT TRANSMIT. FOUND NO 29V ON POWER SUPPLY. REPLACED U2 (IC), U1 (IC),VR1 (DIODE) AND REPAIRED POWER SUPPLY. SYNTHESIZER BOARD HAS BAD TUNING VOLTAGE. REPLACED U11 (IC), U12 (IC), U13 (IC), U9 (IC), U10 (IC). REPAIRED. FOUND WEAK RECEIVER SENSE AT 40SDR HEEA966853Transceiver · failedWOULD NOT RECEIVE OR TRANSMIT. FOUND CONNECTION ON E136 HAD A BURNT HOLE WITH CARBON BUILD UP ON IT. CLEANED BURNT HOLE AND HUMISEALED. REPAIRED. REPLACED BAD DISPLAY DS101. VOR BEARING OUT OF TOLERANCE. PERFORMED VOR/LOC CONVERTER ALIGNMENT, REPAIRED. SDR HEEA966848Control Unit · failedUNABLE TO PROGRAM IN MANUAL POSITION.SDR HEEA966847Transceiver · failedWILL NOT RECEIVE OR TRANSMIT, PROBLEM ON SYNTHESIZER BOARD.SDR HEEA966846Transceiver · defectiveTRANSMITTER CUTS OUT AFTER ABOUT 5 SECONDS.SDR AU960388Transceiver · faulty(AUS) INTERMITTENT HASH ON VHF - VHF TRANSCEIVER REPLACED - GROUND TESTOF REPLACED ITEM COULD NOT DUPLICATE PROBLEM - AVIONICS CIRCUITBREAKER TRIPPED - INVESTIGATION FOUND THAT REPEATED STORING AND REMOVAL ACTIONS OF HEADSET MECHANICALLY CAUGHT AND TRIPPED CISDR HEEA966797Control Unit · defectiveTHUMBWHEELS DON'T AGREE WITH DISPLAY. TRIED CLEANING THUMBWHEEL. NO HELP. REPLACED THUMBWHEEL S1. REPAIRED. BENCH CHECK GOOD.SDR HEEA966730Control Unit · failedDISPLAY WILL NOT COME ON. REPLACED FUSE F1 AND DIODE CR5. REPAIRED. DISPLAY DOES NOT DIM. REPLACED PHOTOCELL RT1. REPAIRED. REPLACED INTERMITTENT THUMBWHEEL ASSY. BENCH CHECK GOOD.SDR CA960312031Transceiver · static(CAN)B SIDE OF RADIO DID NOT WORK FROM INITIAL INSTALLATION, UNIT HAD VERY BAD STATIC ALSO. 23.6 HOURS SINCE OVERHAUL.SDR 96ZZZX3179Transceiver · defectiveON INSTALLATION IN A/C, CONTROL HEAD GUARD INDICATOR LIGHT ILLUMINATED AND STAYED LIT EVEN WITH NO GUARD MODULE INSTALLED. REMOVED AND REPLACED.SDR HEEA966686Transceiver · failedGUARD LIGHT STAYS ON, CAN'T TRANSMIT OR RECEIVE ON GUARD FREQUENCY WHEN CONTROL UNIT SWITCHED ON CHANNEL 2-15. VERIFIED GUARD RECEIVER VERY INTERMITTENT. TROUBLESHOT AND REPAIRED COLD SOLDIER JOINT ON J11 OF GUARD RECEIVER BOARD. ADJUSTED FREQUENCY AND MIC GSDR HEEA966683Transceiver · defectiveTRANSCEIVER GOES OFF AND ON INTERMITTENTLY.SDR HEEA966610Transceiver · inoperativeON FIRST FLIGHT OF THE DAY, UNIT WENT INOPERATIVE. REPLACED WITH SERVICEABLE PART.SDR HEEA966607Transceiver · defectiveVHF RADIO TRANSMITTER HAS LOUD BACKGROUND NOISE, RECEIVER IS GOOD.SDR HEEA966606Transceiver · inoperativeRADIO INOPERATIVE.SDR CA960223003Com Control · failed(CAN)TAC/COM CONTROL HEAD HAD BEEN CHECKED TWICE FOR COMPLAINTS, BUT NO FAULT FOUND. SNAGS INCLUDED INTERMITTENT RESPONSE TO MOMENTARY SWITCHES OF 'CHANNEL SELECT' AND 'RADIO NEXT', AND ALSO UNIT WOULD IND ICATE RECEPTION WHEN NO AUDIO COULD BE HEARD. BOTH SNASDR HEEA966579Display · failedNO DISPLAY. FOUND BROKEN DISPLAY. REPLACED DISPLAY DS901. APPLIED DC4 COMPOUND. REPAIRED.SDR HEEA966522Osc · defectiveWEAK POWER AND OFF FREQUENCY.SDR CA960320526Comm Sys · inoperative(CAN)COMPLETE COMMUNICATION FAILURE FOR 8 MINUTES. ABLE TO RECOVER #2 VHF. MAINTENANCE ACTION INVOLVED CHANGING FIRST OFFICER AND CAPTAINS IMCROPHONES. ALSO CHECKED #1 & #2 VHF FROM BOTH POSITIONS.SDR HEEA966517Transciever · failedTRANSCEIVER RECEIVES OK, BUT DOES NOT TRANSMIT FROM EITHER STATION.SDR HEEA966469Transciever · low powerTRANSCEIVER LOW OUTPUT POWER. REPLACED TRANSISTORS Q109 AND 110. REPAIRED. INSTALLED MOD 2. REPLACED HEADER J304 AND APPLIED HUMISEAL TO HEADER. REPLACED TRANSMIT HEATSINK DUE TO SCREW BEING BROKEN IN HOLE. FOUND FREQUENCY UNABLE TO ADJUST TO SPECS. REPLSDR HEEA966468Transceiver · inoperativeTRANSCEIVER INOPERATIVE. UNIT BURNT AND SPACER MISSING ON REAR OF CHASSIS AND AUDIO BOARD.SDR 96ZZZX622Switch · defectiveWHILE REPAIRING CESSNA RT385 AIRCRAFT RADIOS, FOUND SIGMATEK CORP IS SHIPPING DEFECTIVE SWITCHES FOR THE CESSNA RT385 NAV COM THAT POSE AN ONGOING HAZARD TO FLIGHT SAFETY. THE SIGMATEK PART NUMBERS ARE 46692-0000, 46659-0000, 46693-0000, AND 46481-0000. THE SDR HEEA966434Control Unit · defectiveNOT ALL PL TONES MATCH THUMBWHEEL TO DIGITAL READOUT. TROUBLESHOT AND REPLACED 8 EACH CRIMP CONNECTOR SOCKETS. REPAIRED. BENCH CHECK GOOD.SDR HEEA966433Transceiver · intermittentTRANSMIT POWER INTERMITTENT. TROUBLESHOT AND REPLACED C1 CAPACITOR, C2 CAPACITOR, C7 CAPACITOR, C8 CAPACITOR, CR1 DIODE. REPAIRED INTERMITTENT TRANSMIT PROBLEM. BENCH CHECK GOOD.SDR HEEA966432Control Unit · defectiveCONTROL UNIT HAS CONSTANT STATIC. REPLACED FADED DISPLAY LENS, INTERMITTENT S102 TRANSFER SWITCH. ALSO REPLACED HEADER P201 AND APPLIED HUMISEAL FOR HEADER MODIFICATION. INSPECTED AND UNIT BENCH CHECK GOOD.SDR HEEA966374Transceiver · defectiveWEAK TRANSMIT AND RECEIVE. ADJUSTED GUARD RECEIVER CRYSTAL AND ADJUSTED MIC GAIN DEVIATION. REPAIRED PROBLEM. UNIT BENCH CHECK GOOD.SDR HEEA966362Transceiver · defectiveNO TRANSMIT DEVIATION AND WEAK RECEIVE.SDR HEEA966342Transceiver · defectiveNO MIC GAIN DEVIATION. REPLACED SYNTHESIZER BOARD P/N 300-014140-00 FROM ANOTHER UNIT. REPAIRED PROBLEM. UNIT BENCH CHECK GOOD.SDR COMA9531213Nr 1 Comm · malfunctionedNR 1 COMM RADIO WILL RECEIVE, BUT WILL NOT TRANSMIT. COULD NOT DUPLICATE - NR 1 COMM RADIO SYSTEM TEST OK.SDR 9520219603Vhf Transceived · failedDURING CLIMB, THE NR 1 VHF COMM FAILED. AIRCRAFT RETURNED TO DTW AND LANDED WITHOUT INCIDENT. REPLACED THE NR 1 NAV COMM CONTROL PANEL AND VHF TRANSCEIVER. OPERATIONAL CHECK GOOD.SDR HEEA956201Transceiver · defectiveNUMBERS ON DISPLAY WON'T ALL LIGHT UP.SDR HEEA956198Comm Control · defectiveDISPLAY DIM IN BRIGHT LIGHT. REPLACED PHOTOCELL V101. REPAIRED. APPLIED HUMISEAL TO HEADER FOR CORROSION CONTROL. REPLACED LENS FOR PHOTOCELL. TOUCHED UP FACEPLATE. BENCH CHECK GOOD.SDR HEEA956197Comm Control · defective"SBY" SWITCH HAS NO SPRING TENSION. REPLACED COMM CONTROL TRANSFER SWITCH S102. REPAIRED. REPLACED HEADER P201 AND APPLIED HUMISEAL TO HEADER FOR CORROSION CONTROL. REPLACED LENS. BENCH CHECK GOOD.SDR HEEA956182Transceiver · inoperativeDISPLAY INOPERATIVE.SDR HEEA956174Transceiver · defectiveLOSES MEMORY; VHF RADIO DISPLAY FLICKERS. FREQUENCIES ARE NOT ALL ACCESSIBLE AND WILL NOT RECEIVE.SDR HEEA956147Transceiver · defectiveUNABLE TO SWAP "STANDBY" CHANNEL TO "USE" AND "USE" TO "STANDBY". SENT TO THE RADIO SHOP FOR INSPECTION AND REPAIR.SDR HEEA956134Transceiver · defectiveWILL NOT TRANSMIT OR RECEIVE; HEAVY CORROSION.SDR HEEA956133Transceiver · defectiveTRANSMIT GARBLED.SDR HEEA956124Transceivr · defectiveWON'T TRANSMIT OR RECEIVE ON 128.95 OR 122.82.SDR HEEA956123Transceiver · defectiveTRANSMIT BREAKS UP.SDR HEED95403Transceiver · weakTRANSCEIVER WEAK. REPLACED UNITSDR HEEA956086Control · defectiveUPPER LIGHT DIGIT SEGMENTS OUT. VERIFIED. REPLACED DEFECTIVE DS101 DISPLAY. REPAIRED PROBLEM.SDR HEEA956084Transceiver · defectiveTHIRD DIGIT INOPERATIVE. TWO CENTER WHEEL COUNTERS CRACKED.SDR HEEA956083Transceiver · defectiveREQUIRES REFURBISHING AND BENCH CHECK REQUIRED. SENT TO THE RADIO SHOP FOR INSPECTION AND REPAIR.SDR HEEA956082Transceiver · failed#1 VHF WILL NOT COME ON. TROUBLESHOT AND REPLACE F401 (FUSE), C586 (CAPACITOR), REPAIRED POWER SUPPLY. FREQUENCY DRIFTS, RESOLDERED COLD SOLDER JOINTS ON C434 (ADJUSTABLE CAPACITOR) AND Y401 (CRYSTAL), REPAIRED. BENCH CHECK GOOD.SDR HEEA956081Display · defectiveDIGIT OUT ON DISPLAY. REPLACED I402 (INTEGRATED CIRCUIT). REPAIRED. BENCH CHECK GOOD.SDR HEEA955983Transceiver · defectiveTOP SEGMENTS REMAIN ILLUMINATED AT ALL TIMES, ON STANDBY SIDE.SDR HEEA955982Transceiver · defectiveTRANSCEIVER GARBLED, WEAK TRANSMIT AND RECEIVE. REPLACED WITH SERVICEABLE PART.
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