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.

SDR HEEA080413Transceiver · malfunctionedLOW POWER OUTPUT AND OVERMODULATES WHEN TRANSMITTING. VERIFIED COMPLAINT. REPAIRED. FOUND RECEIVER WEAK AND C/N SQUELCH SETTING WOULD DRIFT AS UNIT HEATED UP. REALIGNED RECEIVER. REPLACED Q304 TRANSISTOR. NO HELP. REPLACED Q301 TRANSISTOR. REALIGNED RECJul 9, 2002 · N5435V · Skrsky S76ASDR HEEA080412Transceiver · failedWON'T RECEIVE ON FREQUENCY 119.27. FOUND UNIT WOULD NOT RECEIVED ON ANY FREQUENCY. REMOVED CORROSION FROM MODULATOR BOARD. REPLACED R433 POTENTIOMETER DUE TO BAD. REPLACED I303 IC CHIP DUE TO BAD VOLTAGES. REPLACED R321 RESISTOR DUE TO BAD. UNIT STARTED RJul 9, 2002 · N1546K · Skrsky S76ASDR 2002UALA01135Vhf Comm · malfunctionedLOST NR 1 VHF COMMUNICATIONS RADIOS. SUPPLEMENTAL DATA UPDATE LT RADIO CONTROL PANEL AND LT VHF TRANSCEIVER WERE REPLACED. AUDIO MANAGEMENT UNIT WAS PREVIOUSLY REPLACED FOR FAILURE OF THE RIGHT CHANNEL.Jul 7, 2002 · N189UA · Boeing 747422SDR HEEA080093Transceiver · malfunctionedPILOT REPORTED INTERMITTENT TRANSMISSION AND RECEIVE. COULD NOT MAKE CONTACT WITH AIRPORT TOWER BUT COULD MAKE CONTACT WITH OTHER COMM (NR 2). VERY LOUD SIDETONE WHEN TRANSMITTING. ADJUSTED SIDETONE TO SPECS. FOUND UNIT WOULD INTERMITTENTLY STOP RECEIVING. Jun 11, 2002 · N6992 · Bell 222USDR HEEA079983Transceiver · weakVHF WEAK. FOUND S501 SWITCH AND DS501 BULB BAD. REPLACED AND REPAIRED. ADJUSTED SIDETONE. BENCH CHECK GOOD.Jun 10, 2002 · N457PH · Bell 407SDR HEEA079884Transceiver · malfunctionedGARBLED. COULD NOT DUPLICATE PROBLEM. ADJUSTED MODULATION, TX COMPRESSOR AND SIDETONE. BENCH CHECK GOOD.Jun 7, 2002 · N4253S · Skrsky S76ASDR HEEA079928Potentiometer · failedSOMETIMES TURNS OFF WHEN VOLUME IS ADJUSTED. FOUND WIGGLING VOLUME POTENTIOMETER CAUSES UNIT TO TURN OFF AND ON. REPLACED POTENTIOMETER S901. REPAIRED. BENCH CHECK GOOD.Jun 3, 2002 · N740PH · Bell 407SDR HEEA079756Transceiver · intermittentRECEIVES AND TRANSMITS INTERMITTENT. FOUND WHEN UNIT STOPPED RECEIVING THAT VCO VOLTAGE WAS FAR OUT OF SPECS. FOUND C/N SQUELCH HARD TO ADJUST TO SPECS AND RECEIVER HAS MOTORBOATING AND HIGH PITCH NOISE. ADJUSTED VCO AND ALIGNED RECEIVER SEVERAL TIMES. RESOMay 31, 2002 · N8045T · Bell 214STSDR HEEA079755Transceiver · malfunctionedVHF TRANSCEIVER UNRELIABLE, TRANSMIT LIGHT COMES ON WITH SQUELCH. ADJUSTED MIC GAIN AND SIDETONE. FOUND Q102, Q109 AND Q110 TRANSISTORS BAD AND Q110 SOCKET BAD DUE TO CORROSION. ALSO FOUND Q102, Q104 AND Q106 TRANSISTORS BAD. REPLACED. REPAIRED. BENCH CHEMay 31, 2002 · N8045T · Bell 214STSDR HEEA079754Transceiver · inoperativeDF 88 HOMING INOPERATIVE. NO DETECTED AUDIO OUTPUT. INSTALLED ELT HONING MOD 1. REPAIRED. BENCH CHECK GOOD.May 31, 2002 · N822H · Bell 214STSDR HEEA079746Transceiver · inoperativeVHF TRANSCEIVER NON FUNCTIONAL.May 31, 2002 · N3208H · Bell 212SDR HEEA079745Coupling · stuckVHF ANTENNA COUPLING INTERMITTENTLY STICKS DURING TUNING PROCESS AND FILTER FITTING LOOSE.May 31, 2002 · N3208H · Bell 212SDR HEEA079744Transceiver · inoperativeVHF TRANSCEIVER WILL NOT TRANSMIT. FOUND TRANSMITTER VERY INTERMITTENT WHEN VIBRATED. FOUND COLD SOLDER ON PIN 1 OF P301 CONNECTOR. RESOLDERED PINS ON P301 CONNECTOR. REPAIRED. BENCH CHECK GOOD.May 31, 2002 · N5736D · Bell 212SDR HEEA079743Transceiver · malfunctionedVHF TRANSCEIVER VERY GARBLED TRANSMISSION. REMOVED CORROSION BUILD UP UNDERNEATH VCO SHIELD ON BOTTOM OF SYNTHESIZER BOARD. BENCH CHECK GOOD.May 31, 2002 · N102PH · Bell 212SDR HEEA079742Transceiver · weakVHF TRANSCEIVER WEAK AND GARBLED. REPLACED WITH SERVICEABLE PART.May 31, 2002 · N102PH · Bell 212SDR HEEA079741Transceiver · malfunctionedNO TRANSMIT. FOUND TRANSMIT POWER AND MODULATION FLUCTUATING. REMOVED CORROSION FROM RECEIVER/MODULATOR BOARD AND BOTTOM OF SYNTHESIZER BOARD IN VCO SECTION. APPLIED HUMISEAL TO VCO SECTION ON BOTTOM OF SYNTHESIZER BOARD FOR CORROSION CONTROL. REALIGNED TRAMay 31, 2002 · N102PH · Bell 212SDR HEEA079740Transceiver · inoperativeVHF TRANSCEIVER WILL NOT TRANSMIT OR RECEIVE. REPLACED WITH SERVICEABLE PART.May 31, 2002 · N5736J · Bell 212SDR HEEA079790Transceiver · inoperativeTRANSCEIVER WOULD NOT TRANSMIT.May 30, 2002 · N911TL · Bolkms BK117A1SDR HEEA079783Transceiver · damagedVHF TRANSCEIVER LED LIGHTS INOPERATIVE. REPLACED BAD DS501 DISPLAY AND APPLIED DOW CORNING NR 4 COMPOUND TO DISPLAY CONTACTS. REPLACED BAD DISPLAY LENS. REPAIRED. BENCH CHECK GOOD.May 30, 2002 · N217UC · Bolkms BK117A1SDR HEEA079782Transceiver · malfunctionedVHF TRANSCEIVER RECEIVES BROKEN OR CLIPPING ON AIR EVAC FREQUENCIES. FOUND VHF RECEIVER HAS NARROW MODULATION BANDWIDTH STOPS RECEIVING AT AROUND 4 KHZ ON ALL VHF FREQUENCIES.May 30, 2002 · N972AE · Snias AS350BSDR HEEA079780Transceiver · failedUNREADABLE AND GARBLED. REPLACED WITH SERVICEABLE PART.May 28, 2002 · N40466 · Snias AS350B2SDR CA020621002Wire · shorted(CAN) A BROKEN WIRE SHORTED TO GROUND ON CAPTAINS HAND MIKE JACK LOCATED ON LOWER CONTROL COLUMN PREVENTED NORMAL VHF TANSMISSION. PILOTS OXYGEN MASK SELECTED TO EMERGENCY (EMERGENCY MIRE POSITION)AND COMMUNICATIONS WERE RESTORED. WIRE REPAIRED PER DRAWING WITMay 27, 2002 · Cndair CL6013ASDR HEEA079209Transceiver · intermittentVHF SYSTEM TRANSCEIVER RECEIVES AND TRANSMITS ONLY INTERMITTENTLY.May 24, 2002 · N107X · Bell 412SDR AUS20020878Antenna · damaged(AUS) VHF ANTENNA DAMAGED BY IMPACT FROM AN UNKNOWN OBJECT. FUSELAGESKIN AFT OF THE ANTENNA MOUNT SUFFERED A 50.8MM (2IN) TEAR. THE ANTENNA IS MOUNTED ON THE LOWER FUSELAGE AT STN 376. FODMay 20, 2002 · Dhav DHC6SDR HEEA078711Transceiver · malfunctionedTRANSCEIVER RECEIVES GARBLED. PERFORMED PRELIMINARY INSPECTION. FOUND RECEIVER VERY WEAK. REALIGNED RECEIVER. NO HELP. FOUND SEVERAL INCORRECT VOLTAGES IN IF AND DETECTOR CIRCUITS. SWAPPED CR309 AND CR310 DIODES AND C323 AND C324 CAPACITORS. REALIGNED PRMay 20, 2002 · N4253S · Skrsky S76ASDR HEEA079274Antenna · crackedVHF ANTENNA CRACKED AROUND BOLT HOLES. SCRAPPED.May 16, 2002 · N40466 · Snias AS350B2SDR HEEA079074Transceiver · damagedINTERMITTENTLY BREAKS SQUELCH AND WEAK. PERFORMED PRELIMINARY INSPECTION. REMOVED CORROSION FROM CHASSIS. REPLACED CORRODED Q109 AND Q110 TRANSISTORS AND INSULATORS, BAD Q102, Q104 AND Q106 TRANSISTOR INSULATORS, BAD Q110 SOCKET AND BROKEN NAMEPLATE. REPLACMay 16, 2002 · N3897N · Bell 214STSDR HEEA078757Transceiver · inoperativeDOES NOT TRANSMIT. PERFORMED PRELIMINARY INSPECTION AND FOUND CHANNELING KNOBS BENT AND CHANNELING INTERMITTENT. REPLACED S101 SWITCH, MHZ AND KHZ KNOBS AND WAFER SWITCHES. CLEANED CHANNELING CONTACTS ON DISPLAY BOARD. REPAIRED CHANNELING PROBLEM BUT FOUND May 6, 2002 · N402PH · Bell 407SDR HEED089078Radio · malfunctionedUNABLE TO CONTROL SQUELCH AFTER 20 MINUTES OF OPERATION REPLACE UNIT.Apr 22, 2002 · N430XM · Bell 430SDR 482DM32002Antenna · debondedNR 1 COMMUNICATION RADIO DIFFICULT TO UNDERSTAND WHEN IN VISUAL MOISTURE. FOUND LEFT SIDE OF LEADING EDGE OF ANTENNA DEBONDED.Mar 29, 2002 · N482DM · Mtsbsi MU300SDR SWIA200210759Control Box · failedCOMMUNICATIONS FREQUENCY SWITCH FAILED AFTER DEPARTURE. DIVERTED BACK TO FAT. REMOVED AND REPLACED COMM-1 CONTROL BOX WITH SERVICEABLE UNIT. OPS CHECKS GOOD.Mar 27, 2002 · N251YV · Emb EMB120ERSDR HEEA078643Radio · malfunctionedRECEPTION ON VHF BAND BREAKS UP GD-1, GD-2 ON VHF BAND.Mar 26, 2002 · N970AE · Snias AS350BSDR HEEA078642Radio · maladjustmentVHF WILL NOT TRANSMIT.Mar 26, 2002 · N970AE · Snias AS350BSDR HEEA078538Transceiver · failedTRANSCEIVER FAILED 2 YEAR INSPECTION.Mar 26, 2002 · N3208H · Bell 212SDR MEX2002079Panel · failedFLT 273 - GDL-CJS - AIRCRAFT RETURNED TO PLATFORM AS CONSEQUENCES OF COMMUNICATION LACK WITH VHF 1 IN ANY FREQUENCY. BOTH TX/RX VHF WERE SWAPPED, NO RESULTS. FREQUENCY SELECTOR PANEL WERE REPLACED IAW MM 23-30-02, TESTS OK. (M)Mar 22, 2002 · N158PL · Doug MD88SDR HEEA078380Transceiver · malfunctionedCANNOT CHANGE CHANNELS. PERFORMED PRELIMINARY INSPECTION. COULD NOT DUPLICATE PROBLEM. FOUND CORRODED FOILS ON DISPLAY BOARD BENEATH HEADER. REPLACED DISPLAY BOARD. REPAIRED. ADJUSTED C/N SQUELCH, FREQUENCY AND SIDETONE. BENCH CHECK GOOD.Mar 22, 2002 · N493PH · Bell 407SDR R7M2002F00011Transceiver · inoperativeUHF/VHF/LOW/HI BAND TRANSCEIVER - UNIT INOPERATIVE. WILL NOT TRANSMIT ON 467.975 TONE 21 (136.5) WITH GENERATOR ON-LINE. REPLACED WITH LOANER UNIT PN 971083-1 CORRECTED PROBLEM.Mar 7, 2002 · N396LG · Snias AS350B3SDR R7M2002F00005Transceiver · malfunctionedUHF/VHF/LOW/HI BAND TRANSCEIVER UNIT INOPERATIVE. ON ANY FREQUENCY, THE TRANSMISSION FADES OUT AFTER 6.7 SECONDS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Mar 6, 2002 · N220CF · Snias AS350B2SDR ARWA20020301Vhf Comm · malfunctionedRETURNED TO SVMI DUE TO TOTAL LOSS OF RADIO COMMUNICATION (VHF). AIRCRAFT LANDED UNEVENTFUL. CHECKED FOR SECURITY OF RADIO AND RECEIVER PANELS, OPS CHECK OF VHF OK IAW MM 23-20-00.Mar 3, 2002 · N8968U · Doug DC862SDR RAIA00202066Receiver · inoperative5535-STL- CREW REPORTED #1 COMM INOP. MAINTENANCE REMOVED AND REPLACED #1 COMM RECEIVER TRANSMITTER, OPS CK OK.Feb 18, 2002 · N568HK · Jetair JETSTM4101SDR USAASA02016Transceiver · malfunctionedPVD - FLT 6422 - EN ROUTE DCA-BOS, DURING CRUISE, THE FLIGHT CREW HEARD STATIC SOUNDS COMING FROM THE VHF RADIOS. AFTER SWITCHING BACK TO VHF 1, THE CREW BEGAN TO SMELL SMOKE. THE FLIGHT CREW DONNED SMOKE MASKS. THE FLIGHT DIVERTED TO PVD, AND LANDED WITHOUFeb 1, 2002 · N751UW · Airbus A319112SDR R7MR34309Transceiver · intermittentVHF/FM TRANSCEIVER, UNIT INOPERATIVE. TRANSMITS FIRST TIME THEN FAILS TO TRANSMIT EVEN WHILE TRANSMIT LIGHT IS ILLUMINATED. ANTENNA CHECKS, OK. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Dec 9, 2001 · N852HW · Snias AS350B2SDR HEEA076968Control Unit · intermittentDIGITS INTERMITTENTLY LOSE PART OF NUMBERS. REPLACED WITH SERVICEABLE PART.Oct 30, 2001 · N2148K · Bell 412SDR HEEA076961Transceiver · inoperativeINOPERATIVE. REPLACED WITH SERVICEABLE PART.Oct 30, 2001 · N30KH · Bell 206L3SDR HEEA076960Transceiver · weakRECEIVES VERY WEAK/ TRANSMITS GOOD. REPLACED WITH SERVICEABLE PART.Oct 30, 2001 · N6559Z · Bell 412SDR HEEA076959Transceiver · intermittentUNIT CUTS OUT IN FLIGHT INTERMTTENTLY. REPLACED WITH SERVICEABLE PART.Oct 30, 2001 · N107X · Bell 412SDR HEEA076958Transceiver · malfunctionedTRANSMITS WEAK AND GARBLED. REPLACED WITH SERVICEABLE PART.Oct 30, 2001 · N2261D · Bell 412SDR PNSA011007Radio · inoperativeNUMBER ONE COM BECAME UNUSABLE. MAINTENANCE CONTACTED ON NR 2 COM AND RADIO WAS PLACED ON COMPANY MEL. FLIGHT CONTINUED AND UPON LANDING RADIO WAS REPLACED.Oct 29, 2001 · N640PA · Swrngn SA227ACSDR HEEA076580Transceiver · weakTRANSMITS WEAK. REPLACED WITH SERVICEABLE PART.Oct 11, 2001 · N2261D · Bell 412SDR HEEA076425Transceiver · malfunctionedDOES NOT RECEIVE. IN SHOP REPAIR.Oct 3, 2001 · N3116P · Bell 206L3
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