JASC 2311

Service difficulty reports · 69

Reports filed under 2311 · UHF 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 = '2311'
  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 YENA2026101600985Comms Unit · faultedFLT # 353, BOS-DUB. (ETOPS) "CA RMP ENTERES 3 WHEN 1 SELECTED OF RADIO FREQ ( RADIO MANAGEMENT PANELS (RMP) RMP 1 RMP 1 KEYS )." (SUPPLEMENTAL INFORMATION TO FOLLOW).Oct 15, 2026 · N2193J · Airbus A321271NXSDR I5PA2026091588804Coupler · inoperativeETOPS, LEFT HF ON MEL - REPLACED LH HF COUPLER PER AMMSep 15, 2026 · N888LT · Boeing 757230SDR I5PA2026083188807Coupler · inoperativeETOPS SIGNIFICANT REPORT, LT HF INOPERATIVE. ON MEL. REPLACED THE LT HF COUPLER IAW APPLICABLE AMMAug 31, 2026 · N888LT · Boeing 757230SDR ASAA2026082666545Coupler · unserviceableATB. HF NR 1 UNABLE TO TRANSMIT. TRIED NUMEROUS TIMES, NUMEROUS FREQUENCIES AND ALL 3 RNPS UNSUCCESSFUL. GROUNDED - YES. REMOVED AND REPLACED HF 1 COUPLER PER AMM 23-11-36. OPS CHECK GOOD. NO DEFECT NOTED. OK FOR SERVICE.Aug 26, 2026 · N381HA · Airbus A330243SDR UIEA2026082300786Transceiver · inoperativeRIGHT HF INOPERATIVE. NO HF CAPABILITY, LT & RT UNABLE TO TRANSMIT. R & R HF ANTENNA COUPLER IAW AMM 23-11-03. R & R RT AND LT HF TRANSCIEVER IAW AMM 23-11-05/401 AND LT & RT HF SYS OPS CHECKS GOOD.Aug 22, 2026 · N851GT · Boeing 74787UFSDR QR9R2026072400001Antenna · faultyRT 5000 TRANSMISSIONS UNREADABLE WHEN TWIST GRIPS WERE IN FLT. AT IDLE, RADIO WAS BARELY READABLE WITH GROUND AND TWR. REMOVED AND REPLACED UHF ANTENNA IAW CMM 145MMS-015 REV B; MOC OKAY.Jul 24, 2026 · Bolkms BK117C2SDR QR9R2026012000001Transceiver · failed#4 RADIO WOULD NOT XMIT MORE THAN 1 MILE WHEN IN FLIGHT. ON GROUND AT AIRFIELD, RADIO OPERATES OK. AFTER TAKEOFF, WAS UNABLE TO TRANSMIT TO TOWER ON #4 RADIO. TROUBLESHOOTING REVEALED RT-5000 TRANSCEIVER HAD WEAK XMT/RCV. REMOVED AND REPLACED TRANSCEIVER IAW 1Jan 20, 2026 · Bolkms BK117C2SDR QR9R2025092400002Transceiver · failedUHF RADIO FAILURE IN FLIGHT. TEST FLIGHT EVAL FOUND TRANSMISSION ON WULFSBERG 5000 UNREADABLE. RX PART ON WOLFSBERG WORKS. REMOVED AND REPLACED RT-5000 TRANSCEIVER. MOC SUCCESSFULLY COMPLETED.Sep 24, 2025 · Bolkms BK117C2SDR I5PA2025090859302Transceiver · inoperativeRIGHT HF INOPERATIVE. R & R RT HF TRANSCEIVER IAW AMM, OPS CHECK NORMAL.Sep 6, 2025 · N193AN · Boeing 757223SDR I5PA2025083119302Transceiver · faultyRIGHT HF INOPERATIVE. R & R RT HF TRANSCEIVER IAW AMM, OPS CHECK NORMAL.Aug 31, 2025 · N193AN · Boeing 757223SDR I5PA2024071088803Transceiver · inoperativeLEFT HF INOPERATIVE, REPLACED LH HF TRANSCEIVERJul 10, 2024 · N888LT · Boeing 757230SDR YENA2024070100924Smoke Detector · false activationFLT#81, JFK-RNO. (AIRCRAFT DECLARED AN EMERGENCY AND DIVERTED TO DEN). ' AFT AVIONICS SMOKE IND IN CRUISE QRH COMPLETED ( AVIONIC SMOKE DETECTION SYSTEM AFT AVIONICS CARGO RACK (LTV) ); REMOVED AND REPLACED LTV RACK SMOKE DETECTOR PER AMM 44-20-19. OP CHECK GOJun 28, 2024 · N969JT · Airbus A321231SDR HALA2023121108267Unknown · unknownETOPS - #2 HF WILL NOT TUNE AND TX #1 HF HAS DIFFICULTY TUNING . WORKS INTRMITTENT. REMOVED AND REPLACED #2 HF TRANCEIVER TEST OK PER: AMM23-11-33.Dec 3, 2023 · N392HA · Airbus A330243SDR YENA2023112201443Transceiver · failedFLT#44, LGW-JFK. (ETOPS) ' HF2 TUNING TONE PREVENTS TRANSMITTING WHEN PTT IS DEPRESSED; REMOVED AND REPLACED HF TRANSCEIVER (3RE2) IAW AMM 23-11-33. ALL OPERATIONAL CHECKS OK.'Nov 20, 2023 · N4076J · Airbus A321271NSDR GTIA2023102737563Hf Comm · faultedHF 1 TRANSMITS BUT DOES NOT RECEIVE ( HIGH FREQUENCY (HF) COMMUNICATION SYSTEM ATSU/ACARS AND VHF OPERATE NORMALLY )--Oct 25, 2023 · N652NK · Airbus A320232SDR NACA2023070900001Transceiver · intermittentHF #1 INTERMITTENT TX, RX OK. REMOVED AND REPLACED #1 TRANSCEIVER IAW AMM 23-11-03, OPS CHECK GOOD. NO TRAX INFO AVAILABLE FOR PART.Jul 9, 2023 · N379CX · Boeing 767323SDR NACA2023070800002Unknown · unknownLEFT HF RADIO DOES NOT TX, JUST GOT STATIC OR SIDETONE WHEN TRY TO TX. PERFORMED LH HF OPS CHECK PER AMM 23-11-00, OPS CHECK ON GROUND ABLE TO TRANSMIT AND RECEIVE.Jul 8, 2023 · N379CX · Boeing 767323SDR YENA2023032200274Unknown · unknownFLT#1620, BOS-LHR. (ETOPS) 'HF RADIO 1 IN INTERMITTENT WORKED EARLY IN FLIGHT BUT TRANSMISSIONS ARE INTERMITTENT BY 30 DEGREES W. RECEPTION SEEMS OK. HF 2 WORKED AS NORMAL ( HF COMMUNICATIONS (LRCS) ); PERFORMED OPERATIONAL TEST IAW AMM 23-11-00 TEST OK SYSTEMMar 21, 2023 · N4073J · Airbus A321271NSDR UIEA2023031000243Transceiver · unknownATB-RH HF RADIO NOT TRANSMITTING.(<P>REMOVED AND REPLACED RH HF TRANSCEIVER PER AMM 23-11-00. OPS CHECK GOOD</P>)Mar 9, 2023 · N493MC · Boeing 74747UFSDR CALA2023022000498Coupler · noneBOTH HF RADIOS INOP. PERFORMED T/S ON HF RADIOS IN REF AVO10462. ALL WIRING AND CONTACTED SFO ON HF1 AND HF2 AT FREQ. 5.547 & 3.413, 3X3 AT 2:36 CONNECTIONS CHECKED OK. PER AVO STEPS 8 AND 9, REMOVED AND AM. OPS CHK OK. PARTS USED: 1924814,QTY :1 REPLACED HF Feb 20, 2023 · N77520 · Boeing 7378SDR CALA2023010900059Hf Comm · inoperativeHF RADIOS WILL NOT TRANSMIT BITE BOTH NUMBER 1 AND NUMBER 2 TRANSCEIVERS, BITE TEST OK. GROUND OPS CHK NUMBER 1 AND 2 HF RADIOS CALLING SFO READ LOUD AND CLEAR. R&R NUMBER 1 HF TRANSCEIVER PER PRECAUTIONARY. GROUND OPS CHK OK.Jan 9, 2023 · N77520 · Boeing 737824SDR ABXA2023010102Transceiver · weakRIGHT HF WAS WEAK ON GROUND BUT WORKS IN FLIGHT WHEN IRO OR CAPT TRIED TO XNIT NO TRANSMISSION OVERRED AND NO SIDE TONE WAS HEARD. INITIALLY FO HAD SIDE TONE BUT SOON AFTER HE DID NOT HAVE SIDE TONE. AIRCRAFT DID NOT HAVE ENOUGH FUEL TO CONTINUE ROUTE VIA VHF Jan 1, 2023 · N371CM · Boeing 767338SDR HALA2022101100271None · noneETOPS - #2 HF RADIO WILL NOT TUNE. BITE TEST PASS PER AMM 23-11-00. DUE TO MULTIPLE WRITES UP OF HF #2, REMOVED & INSTALLED NEW HF COUPLER & TRANSCEIVER PER AMM 23-11-36 & AMM 23-11-33. OPS TEST HF#2 PASS PER AMM 23-11-00. BITE TEST HF#2 PASS PER AMM 23-11-00.Oct 10, 2022 · N379HA · Airbus A330243SDR HALA2022100500267None · noneHF 1 RADIO WOULD NOT TUNE AND IS INOP. REMOVED & REPLACED HF #2 COUPLER PER AMM 23-11-36. OPERATIONAL CHECK OK. COUPLER, ANTENN OFF 43-2311-9-0001 04441 ON 43-2311-9-0001 01196Oct 5, 2022 · N384 · Airbus A330243SDR YENA2022090500870Coupler · faultyFLT#7, JFK-LHR. (ETOPS) 'REF TSI MDDR#484335 REPLACE HF 1 COUPLER; PER TSI WO#1201122 REMOVED & REPLACED HF1 (4RE1) IAW AMM 23-11-36. PERFORMED OPS TEST PER AMM 23-11-00 TEST PASSED.'Sep 4, 2022 · N4062J · Airbus A321271NSDR SIMA20220725004Rmu · inoperativeTHROUGH 8000' RMU 1 OUT - ELECTRICAL BURNING SMELL IN THE COCKPIT. TROUBLESHOT PER FIM 21-20-00-210-801-A. DETERMINED CAUSE OF SMOKE TO BE THE #1 RMU. PULLED AND OCLLARED #1 RMU CIRCUIT BREAKER. REMOVED AND REPLACED #1 RMU IAW AMM 23-81-01. OPS CHECK GOOD. NJul 25, 2022 · N661JA · Emb ERJ170200LRSDR I5PA2022040375701Transceiver · inoperativeRH HF INOP IN FLIGHT. RH HF TRANSCEIVER FOUND DEFECTIVE AND REPLACED.Apr 3, 2022 · N757QM · Boeing 75729JSDR I5PA2022032588802Coupler · unserviceableIN REF. TO LP 52417 LEFT HF INOP. REMOVED AND REPLACED LEFT HF COUPLER IAW AMM 23-11-01.Mar 22, 2022 · N888LT · Boeing 757230SDR I5PA2022030388801Coupler · unserviceableIN REF. TO LP 52411 ITEM 2 FOR MEL 23-11-01-02A, LEFT HF INOP. REMOVED AND REPLACED LEFT HF COUPLER IAW AMM 23-11-01.Mar 3, 2022 · N888LT · Boeing 757230SDR P5CA2021112200423Coupler · noneLEFT HF INOP.(<P>T/S PER FIM 23-11-00. REMOVED/REPLACED LH HF COMM ANTENNA COUPLER AMM 23-11-01. MDDR 156972 CLEARED UP.</P>)Nov 22, 2021 · N643GT · Boeing 7673JHFSDR UIEA2021090601959Transceiver · faultedAIR TURNBACK DUE TO INABILITY TO ESTABLISH HF CONTACT.(<P> REMOVED AND REPLACED R/H HF TRANSCEIVER. OPS CK GOOD IAW AMM 23-11-05.</P>)Sep 6, 2021 · N473MC · Boeing 74745ESDR HALA2021033100040Hf Comm · inoperativeETOPS - UNABLE TO TUNE HF RADIOS 1 AND 2. HOURS LATER DURING FLIGHT RADIO 1 DID CORRECT ITSELF WITHOUT ANY RESET AND TUNE // OPERATIONAL CHECK OK ON HF 1 SYSTEM PER AMM 23-00-710-801A.502110 3/31/21. REMOVE/REPLACE 1 AND 2 HF COUPLER PER AMM 2336-000-801-A. OPMar 31, 2021 · N388HA · Airbus A330243SDR HALA2021021900021Transceiver · defectiveETOPS - HF NR 2 RADIO INOP. REMOVED AND REPLACED HF 2 TRANSCEIVER PER AMM 23-11-00, OPS CK GOOD. OK FOR SERVICE. TRANSCEIVER, HF OFF 43-2311-9-0002 03931 ON 43-2311-9-0002 04833.Feb 18, 2021 · N370HA · Airbus A330243SDR I5PA2021020188801Coupler · faultyDISCREPANCY R HF INOPERATIVE. CORRECTIVE ACTION R & R R HF COUPLER IAW AMM 23-11-01. OPS CHECK OK.Feb 1, 2021 · N888LT · Boeing 757230SDR HALA2020111200203Transceiver · defectiveETOPS-HF RADIOS TUNING INTERMITTENT. NORMAL TOWARDS END OF FLIGHT. REMOVED & REPLACED HF 2 TRANSCEIVER, PER A330 AMM 23-11-33. OPERATIONS TEST GOOD. OK FOR SERVICE. TRANSCEIVER, HF OFF 43-2311-9-0003 00208 ON 43-2311-9-0003 01253.Nov 11, 2020 · N396HA · Airbus A330243SDR DALA2020061202466Antenna · delaminatedFOUND NR 2 AIRPHONE ANTENNA DELAMINATED. RMVD NR 2 AIRPHONE ANTENNA PER AMM 23-19 (488979) AND C/W EA 12-477283-14 AMD EA 12-085759-03. PERFORMED DOUBLER REPAIR IAW ERA 586973-14 REV A.Jun 12, 2020 · N3739P · Boeing 737832SDR HALA2019101000407Transceiver · malfunctionedETOPS SIGNIFICANT SYSTEM - #1 HF RADIO WILL NOT TUNE. // TROUBLESHOT #1 HF RADIO REF A330 TSM 23-11-00-810-819-A. REMOVED AND REPLACED #1 HF TRANSCEIVER REF A330 AMM 23-11. TEST OK.Oct 9, 2019 · N395HA · Airbus A330243SDR AALA201908069002Control Unit · failedAIRCRAFT WAS GROUNDED: PILOT REPORTS BOTH HF #1 AND HF #2 RADIOS INOP. UNABLE TO TRANSMIT OR RECIEVE ON SEVERAL DIFFERENT FREQUENCIES. COULD NOT EVEN HEAR A TUNE SIGNAL WHEN INITAILLY KEYING MICROPHONE ON EACH FREQUENCY. MAINTENANCE REMOVED & REPLACED #1 & #2 Aug 2, 2019 · N950AN · Boeing 737823SDR QXEA2019072500282Unknown · malfunctionedPOSSIBLE FAILURE OF BOTH RADIOS FOR XMIT ONLY TO TOWER FREQS 119.9 & 120.95. TOWER ONLY COULD NOT HEAR US. ALL OTHER AIRPLANES & GROUND APPROACH COULD HEAR US 5X5. NO OTHER ISSUES. AFTER PARKING AT GATE 14 TESTED 119.9 & 120.95 & THEY BOTH WORKED GOOD 5X5. Jul 23, 2019 · N404QX · Bombdr DHC8402SDR QXEA2018091700334Transceiver · inoperativeBOTH CAPTAIN AND FIRST OFFICER WERE UNABLE TO BE HEARD BY TOWER ON NR 1 RADIO. WE COULD BOTH HEAR TOWER ON RADIO NR 1. COMMUNICATION ON NR 2 WAS NORMAL. REMOVED FROM SERVICE. R&R NR 1 TRANSCEIVER IAW AM 23-11-01-00/400-801. OPS CHECK GOOD IAW AMM 23-11-00-710-Sep 15, 2018 · N441QX · Bombdr DHC8402SDR QXEA2016052500346Antenna · malfunctionedNR 1 COMM UNUSEABLE ON 126.6 MHZ. NR 2 OK ON 126.6. RETURNED TO FIELD, LANDING UNEVENTFUL. REPLACED NR 1 VHF COMM ANTENNA IAW AMM 23-11-26. CHECKS GOOD. RETURNED TO SERVICE.May 25, 2016 · N430QX · Bombdr DHC8402SDR FDEA201507162269Circuit Breaker · trippedCAPTAIN'S O2 MASK DOES NOT TRANSMIT. PDX R RESET COMM CB AT CAPTAIN`S O2 BOX IAW AMM 35-11-4. OPERATIONS CHECKED NORMAL.Jul 16, 2015 · N978FD · Boeing 757236SDR PNSA2015062605Electronic Unit · malfunctionedCOMM NR 2 INTERMITTENTLY FAILS TO RECEIVE OR TRANSMIT AND MAKES TOGGLE CHANNEL CHANGE BEEP TONES DURING FAILURE. R & R REMOTE ELECTRONIC UNIT, VHF COMM TRANSCEIVER AND COMM CONTROL HEAD.Jun 26, 2015 · N677PA · Saab 340BSDR UIEA2014071800338Antenna · damagedLIGHTNING STRIKE AT 12 O'CLOCK POSITION. PRELIMINARY INSPECTION IAW AMM 05-51-13 201 FOUND MULTIPLE BURN MARKS AROUND RIVETS, DAMAGED VHF, GPS, ELT, ADF & HF ANTENNAS. REPLACEMENT OF DAMAGED PARTS & REPAIRS ARE CURRENTLY IN PROGRESS & REMAINDER OF CONDITIONAJul 18, 2014 · N856GT · Boeing 74787UFSDR UALA2012042502492Smoke Detector · faultedFOUND FAULT IN CARGO AFT-3 LOOP-A. MESSAGE NR 26164. REPLACED SMOKE DETECTOR 3A I IN AFT PIT PER MM26-16-01 AND IPC 26-16-01-002. TEST PASS.Apr 25, 2012 · N181UA · Boeing 747422SDR I5PA030809Transceiver · malfunctionedAIRCRAFT, AIR RETURNED DUE TO NR 1 AND NR 2 HF'S WOULD NOT TRANSMIT OR RECEIVE. CLEANED AND RESEATED BOTH TRANSCEIVERS, OPS CHECK WITH SFO NORMAL. OK FOR SERVICE NO FURTHER PROBLEMSMar 8, 2009 · N319NE · Boeing 727200SDR CA080523005Transceiver · inoperative(CAN) RADIO WOULD NOT TRANSMIT, REMOVED AND INSTALLED SERVICABLE RADIO.May 16, 2008 · Snias AS350BASDR HALA0800471Transceiver · malfunctionedETOPS SIGNIFICANT SYSTEM, L HF TRANSMITTER UNABLE TO TRANSMIT OR RECEIVE. REMOVED AND REPLACED LT HF TRANSCEIVER IAW AMM 23-11-00, OPS CHECK NORMAL. Mar 31, 2008 · N586HA · Boeing 7673G5SDR RAIA00701008Control Module · unknownFLT NR 7897-MDT-CAPTAIN AND FO'S RADIO LOCKED UP AND WERE UNABLE TO CHANGE FREQUENCIES. MAINTENANCE REMOVED AND REINSTALLED THE CMU. RADIOS OPERATED NORMALLY AFTERWARDS. NO OTHER DEFECTS NOTED.Jan 5, 2007 · N823HK · Emb EMB145LRSDR HALA0600478Antenna · crackedVHF ANTENNA HAS A CRACK ON THE LEADING EDGE. REMOVED AND REPLACED ANTENNA PER AMM 23-12-02, OPERATIONAL CHECK PER AMM 23-12-00.Jun 26, 2006 · N476HA · Boeing 717200
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