JASC 2310
Service difficulty reports · 1,685
Reports filed under 2310 · HF 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 = '2310' 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 = '2310' 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 ASAA2020031632425Warning System · false activationON PREFLIGHT #1 HF RADIO "FAIL" LIGHT. GROUNDED - YES. FAULT CLEARED. HF 1 ETOPS GROUND VERIFICATION TEST OPS CKS NORMAL PER B737-800 AMM 23-11-00-710-801.SDR ASAA2020031332417Unknown · malfunctionedHF2 COMM PANEL SHOWS "FAIL" IN FREQ SELECTOR WINDOWS. GROUNDED - YES. PERFORMED B737-800 FIM 23-11 TASK 803. OP CK NORMAL.SDR ASAA2020031132377Transceiver · inoperativeUNABLE TO TRANSMIT ON #2 HF. ABLE TO HEAR AND RECEIVE SELCAL ON HF #2. GROUNDED - YES. REPLACED #2 TRANSCEIVER & COUPLER REF B737-800 AMM 23-11-61 & AMM 23-11-21. #2 HF RADIO OPS CHECK GOOD IAW AMM 23-11-21 AND 23-11-61 THIS CLEARS MEL 23-11A.SDR ASAA2020030932376Unknown · malfunctionedAFTER TAKE OFF, UNABLE TO TRANSMIT ON HF # 2 COULD HEAR AND RECEIVE SELCAL ON HF # 2. GROUNDED - YES. ACCOMPLISHED B737-800 FIM 23-11 TASK 806 # 2 HF OPS CHK NORMAL, SUCCESSFUL GROUND VERIFICATION ACCOMPLISHED WITH SAN FRANCISCO.SDR CALA2020022900544Coupler · inoperativeHF1 REC ONLY...CANNOT X-MIT ON HF1 REPEAT WRITE UP INSTALLED NEW COUPLER IN #1 HF POSTION FOR TROUBLESHOOTING. UNIT IS NOT SAFETY WIRED AND WILL NEED OPS CHECK AT COMPLETION OF WORK. INSTALLED NEW HF TRANSCIEVER IN #1 POSITION. WILL NEED OPS CHECK AT COMPLETISDR ASAA2020022732325Satcom · malfunctionedDISPATCH REQUESTED SATCOM TEST: SATCOM INOP. GROUNDED - YES. PERFORMED SATCOM LOCK UP PROCEDURE CKLIST: SATCOM OPS CHECKS NORMAL.SDR ASAA2020022863305Warning Message · false activation#2 HF FAIL MESSAGE. GROUNDED - YES. PERFORMED #2 HF BITE REF B737-800 FIM 23-11 TASK 801. NO FAULTS FOUND CHECKS GOOD NO FAIL MSG ETOPS SIGNIFICANT SYS GROUND VERIFICATION SUCCESSFUL.SDR ASAA2020022652272Hf Comm · malfunctionedHF #1 INOP. GROUNDED - YES. CYCLED AIRCRAFT POWER, PERFORMED OPERATIONAL CHECK OF HF #1 RADIO TRANSMISSION PER B737-800 AMM 23-11-00, PERFORMED BITE TEST PER B737-800 FIM 23-11 TASK 801, ALL OPS CHECK NORMAL, GROUND VERIFICATION SUCCESSFULL.SDR ASAA2020022432236Warning Message · false activationHF RADIO #2 DISPLAYS "FAIL". GROUNDED - YES. PERFORMED BITE PROCEDURE OF HF #2 REF B737-800 FIM 23-11 TASK 801, HF #2 FAIL MSG GONE, LRU GREEN, HF #2 OP OK.SDR ASAA2020024832235Coupler · defectiveHF #1 RADIO DOES NOT TRANSMIT, IT DOES RECEIVE. GROUNDED - YES. REMOVED AND REPLACED #1 HF ANTENNA COUPLER REF B737-900 AMM 23-11-61-400-801. #1 HF SYSTEM OPERATIONAL TEST AND SYSTEMS TEST OP GOOD, REF AMM 23-11-00-730-801 AND 23-11-00-710-801. THIS CLEARS MELSDR HALA2020021800039Hf Comm · malfunctionedETOPS SIGNIFICANT SYSTEM - #1 HF INOP WILL NOT TUNE. // PERFORMED HF #1 BITE TEST PER AMM 23-11-00. GROUND CHK GOOD. NO
FAULTS NOTED.SDR ASAA2020020422069Transceiver · failedHF 2 INDICATES FAIL ON RADIO TUNING PANEL. GROUNDED - YES. REPLACED HF TRANSCEIVER REF B737-900 AMM 23-11-21.SDR ASAA2020020332057Warning Message · false activationFAIL DISPLAYED ON RTP WHEN HF #2 RADIO SELECTED. F/O SIDE. GROUNDED - YES. ACCOMPLISHED B737-900 FIM 23-12 TASK 815. FAIL INDICATION REMOVED. OPS CHECK NORMAL.SDR ASAA2020020332058Warning Message · false activationHF 2 SHOWS "INOP" IN BOTH FREQ WINDOWS. GROUNDED - YES. PERFORMED B737-800 AMM 23-12-41 RADIO TUNING PNL-INOP DISPLAY TOGGLE- ALL RTP FREQ DISPLAYS ARE NRML.SDR ASAA2020020332056Transmitter · malfunctionedUNABLE TO TRANSMIT ON HF #1 FAILED SEL CALL CHECK ALSO. GROUNDED - YES. AFTER CONSULT WITH PREVIOUS PILOT, FOUND CB COMM HF 1 OPEN. CLOSED AND CYCLED CB REF B737-900 AMM 20-60-01. OPS NORMAL.PERFORMED HF COMM SYS TRANS B737-900 FIM 23-11 TASK 806 OPS CHK GOODSDR AALA2020012749006Coupler · faultedAIRCRAFT NOT GROUNDED: UNABLE TO TRANSMIT ON HF2 AND ATTEMPTING TO TRANSMIT ON HF1 AND ARINC HAD DIFFICULTY HEARING US. BOTH HF RADIOS NEED TO BE CHECKED.***SUPPLEMENTAL ACTION SECT. 4 AND 5: REMOVED AND REPLACED HF#1 AND HF#2 ANTENNA. COUPLERS IAW AMM 23-11-SDR ASAA2020012403905Hf Comm · malfunctionedHF #1 AND HF #2 NO COMM, WE COULD HEAR THE SIDE TONE CHANGING FREQS. BUT WE COULD NOT MAKE CONTACT WITH SFO RADIO OR HEAR OTHER AIRCRAFT. GROUNDED - YES. DIVERSION TIME 53 MINUTES - ACCOMPLISHED B737-800 FIM 23-11 TASK 806 & AMM 23-11-00-710-801, CONTACTED SFOSDR ASAA2020012101903Hf Comm · malfunctionedHF2 FAIL IN ACTIVE & STANDBY WINDOWS. GROUNDED - YES. ACCOMPLISHED RTP B737-900 FIM 23-12 TASK 815, AND HF COMM BITE REF FIM 23-11 TASK 801 NO FAULTS LOGGED ON NR 1 OR 2 HF TRANSCEIVERS, COMM CHECK WITH SFO BY CREW OPS NORMAL. ALL GROUND TESTS PASSED.SDR ASAA2020012161906Satcom · malfunctioned"SAT" SELECTION INTERMITTENT ON NR 1 CDU. TRIED SATCOM LOCKUP PROCEDURE IN QRH. SAT RETURNED BUT DISAPPEARED AGAIN. SAT SELECTION AVAILABLE ON NR 2 CDU TO DIAL. FIRST CONTACT WITH MEDLINK. ON SECOND ATTEMPT, COULD HEAR MEDLINK BUT THEY COULD NOT HEAR US. THSDR ASAA2020011331812Unknown · malfunctionedNUMBER 1 HF RADIO WON'T TRANSMIT. GROUNDED - YES. SYS TEST NR 1 HF GOOD. SFO ARINC RADIO READS IT 5 BY 5 FROM ANC. REF AMM 23-11-00. GRD VERIFICATION GOOD.SDR ASAA2020010931813Transceiver · inoperativeHF #1 NO RECEPTION, NO SIDE TONE. GROUNDED - YES. REPLACED HF 1 XCVR PER B737-800 AMM 23-11-21. OPS NORMAL.SDR ASAA2020010831803Unknown · malfunctionedHF2 DOES NOT WORK. GROUNDED - YES. PERFORMED HF #1 & #2 BITE CHECK PER B737-800 FIM TASK 23-11-00-810-801.SDR ASAA2020010831802Unknown · malfunctionedSATCOM RADIOS WOLD NOT WORK ATTEMPTED MANY TIMES. GROUNDED - YES. PERFORMED SATCOM COMMUNICATIONS SYSTEM TEST REF B737-800 AMM 23-15-00 VOICE TEST OPS CKS GOOD.SDR ASAA2020010331777Coupler · faultedETOPS VERIFICATION FLIGHT FOR HF1 UNSATISFACTORY- HF1 TESTED WITH SFO RADIO ARINC AND THEY REPORTED THAT OUR TRANSMISSIONS WERE WEAK AND UNREADABLE. TESTED ON MULTIPLE FREQUENCIES. SENSITIVITY WAS SET TO 100- HF1 TUNING TOOK SLIGHTLY LONGER THAN NORMAL AS WELLSDR ASAA2019122391675Hf Comm · malfunctionedUNABLE TO TRANSMIT ON HF1. GROUNDED - YES. CYCLED POWER TO HF1 OPS RESTORED AND CHECKS OKAY REF B737-800 FIM 23-11 TASK 806 + 801SDR ASAA2019121973641Transceiver · failedHF #1 WILL TUNE & RECEIVE BUT WILL NOT TRANSMIT VOICE. GROUNDED - YES. R&R #1 HF TRANSCEIVER REF AMM 23-11-21 GROUND VERIFICATION NMLSDR HALA2019121700516Hf Comm · malfunctionedETOPS SIGNIFICANT SYSTEM - #1 HF CAN'T TRANSMIT (INOP) - CONSTANT KEY TONE. // PERFORM OPS CK OF HF #1 PER AMM 23-11-00. OPS CK GOOD. OK FOR
SERVICE. BITE TEST HF #1 BITE TEST PASSED PER AMM 23-11-00.SDR ASAA2019120961529Warning Message · false activation"FAIL" INDICATED ON RADIO CONTROL PANEL FOR HF #2. GROUNDED - YES. VERIFIED FAIL INDICATED FOR HF #2. PERFORMED B737-800 FIM 23-11 TASK 801. #2 HF BITE AND XMTS NORMAL. GRD VERIFICATION OK.SDR ASAA2019120651512Hf Comm · failedHF1 FAIL GROUNDED - YES. PERFORMED B737-800 FIM TASK 23-11-00 HF COMM SYS-BITE PROCEDURE "HF 1 TRANSCEIVER CHECKS GOOD, HF 2 ALSO PASSES BITE TEST.CYCLED HF 1 CB AT P18-2 E11, HF 1 CHECKS GOOD GROUND VERIFICATION SUCCESSFUL.SDR ASAA201912041498Warning Message · false activationDURING PREFLIGHT, HF 1 SHOWS FAIL IN BOTH WINDOWS. GROUNDED - YES. ACCOMPLISHED B737-800 FIM 23-11 TASK 806. NO PREVIOUS HISTORY. GROUND VERIFICATION TEST NORMAL.SDR ASAA201912031487Hf Comm · malfunctionedCANNOT TRANSMIT ON HF1. GROUNDED - YES. REF B737-800 FIM 23-11 TASK 801, PERFORMED #1 HF BITE TEST. BITE TEST PASSED, NO FAULTS. REF FIM 23-11-806, PERFORMED #1 HF OPS CHECK. #1 HF OPS NORMAL. GROUND VERIFICATION SUCCESSFUL.SDR ASAA2019120311486Warning Message · false activationHF #1 SHOWS FAIL MESSAGE. GROUNDED - YES. CYCLED C/B'S - SYS RESTORED AND CKS NML REF B737-800 FIM 23-11 TASK 802. COMM & BITE CK GOOD. GND VERIFICATION SUCCESSFUL.SDR ASAA2019112531426Transceiver · failedHF1 ABLE TO RECEIVE SELCAL AND VOICE BUT APPEARS UNABLE TO TRANSMIT. WE DID HEAR TONE WHEN TUNING, HF 2 WORKS FINE,. GROUNDED - YES. REMOVED & REPLACED #1 HF TRANSCEIVER B737-800 AMM 23-11-21 PULLED & RESET 1 ASSOCIATED C.B. OPS CHECK NORMAL.SDR AALA201911259019Transceiver · unreliableAIRCRAFT WAS GROUNDED: FLIGHT AIR RETURNED TO LAX ON ACCOUNT OF LOSS OF ACARS COMMUNICATION. FLIGHT DECLARED EMERGENCY. MAINTENANCE REPLACED HF-1 XCVR IAW AMM 23-11-33, ALSO, REPLACED HF-2 COUPLER IAW AMM 23-11-36. HF-1 BITE AND OPS TEST NORMAL IAW AMM 23-11-0SDR 29GA2019112200001Vhf Comm · intermittentFLIGHT# 0144 BIM/FLL REPORT: DURING FLIGHT LOST RADIO COM 2 AFTER LANDING BECAME INTERMITTENT CAPTAIN DECLARED AN EMERGENCY. CORRECTIVE ACTION: R/R #2 COM CONTROL UNIT IAW SAAB M/M 23-11-10-04-3. OPS CHECK GOODSDR ASAA2019112091378Warning Message · false activationHF1 SHOWING FAIL ON RADIO HEAD DISPLAY. GROUNDED - YES. ACCOMPLISHED B737-800 FIM 23-11 TASK 801. LRUS BITE TEST PASSED GROUND VERIFICATION SUCCESSFUL. HF1 & HF2 OPS NORMAL.SDR ASAA2019111981370Hf Comm · failedHF #1 FAIL GROUNDED - YES. PERFORMED BITE TEST B737-800 FIM 23-11 TASK 801 ON HF #1 LRU STATUS LIGHT GREEN, BITE PASSED, FAIL READOUT EXTINGUISHED IN FLIGHT DECK. CAPTAIN DID OPS CHECK, CHECK NORMAL, GROUND VERIFICATION SUCCESSFUL.SDR ASAA2019112171355Coupling · faultedDURING MAINTENANCE VERIFICATION IN-FLIGHT PILOT TEST, RADIO HF #2 WOULD NOT TRANSMIT. GROUNDED - YES. REMOVED AND REPLACED HF ANTENNA #2 COUPLER REF B737-900 AMM 23-11-61-000-801/400-801. PERFORMED INSTALLATION TEST REF AMM 23-11-61-800-001. ALL TESTS PASSED. SDR ASAA2019111861357Transceiver · failedUNABLE TO TRANSMIT ON HF #2 FROM ANY TRANSMIT SWITCH. AFTER SOME TIMES WE FINALLY WILL GET SIDE TONE, BUT AFTER SWITCHING FREQUENCIES, NO SIDE TONE HEARD. ABLE TO RECEIVE VOICE AND SELCAL ON HF#2. GROUNDED - YES. ACCOMP #2 HF TRANSCEIVER BITE TEST, TEST PASS BSDR ASAA2019111841356Transmitter · malfunctionedUNABLE TO TRANSMIT ON HF 1 WHEN TUNING SIDETONE LAST FOR ABOUT 5 SECONDS RECEIVING WORKS AND SELCAL FUNCTIONS NORMALLY. GROUNDED - YES. PERFORMED OPS TEST OF HF COMM SYS IAW B737-800 AMM 23-11-00-710-801 OPS CHECK AND GROUND VERIFICATION SUCCESSFUL.SDR HALA2019111500486Hf Comm · malfunctionedETOPS SIGNIFICANT SYSTEM - HF RADIO #1 WILL NOT TUNE. // PERFORMED HF 1 BITE PER AMM 23-11-00. TEST OK. NO FAULTS NOTED. OK FOR SERVICE.SDR ASAA201911153336Transceiver · failed#2 HF RADIO WILL NOT TRANSMIT OR RECEIVE. GROUNDED - YES. REMOVED #2 HF XVR PER B737-800 AMM 12-11-21-000-801. INSTALLED #2 HF XVR PER AMM 12-1-21-400-801. PERFORMED INSTALLATION TEST OF #2 HF XVR PER SAME. TEST IS GOOD. PERFORMED HF SYSTEM TEST PER AMM 23-11-SDR IPXA2019111348963Hf Comm · inoperativeINSPECTION TYPE:N/AATB - NEITHER HF 1 OR HF 2 HAVE VOICE CAPABILITY. NO TURNING ABILITY. ALL 3 RADIO HEADS USED TO TRY HF COMM, NO CAPABILITY. ATC ATTEMPTED SELECT CHECK. WE DIDN'T RECEIVE SELCAL.CYCLED BOTH HF1 & HF2 C/B'S. OPS CHK GOOD PER MM 23-11-01. BOTH SDR ASAA2019111291284Warning Message · false activationHF 1 FAIL MESSAGE. GROUNDED - YES. OPENED, THEN RESET C/B P18-2 E11. HF #1 OPS NML REF B737-800 AMM 23-11-00. ETOPS GND VERIFICATION TEST SUCCESSFUL. FLT CREW PERF GOOD HF 1 RADIO / SELCAL CHECK W/ SFO RADIO.SDR ASAA2019110431251Transceiver · failedHF 1 SHOWING FAIL. GROUNDED - YES. REPLACED HF #1 TRANSCEIVER WITH SERVICEABLE ONE. ACCOMP INSTLN TEST, TEST PASS. ALSO ACCOMP HF COMM SYS OPS TEST PASS REF B737-800 FIM 23-11 TASK 801 & B737-800 AMM 23-11-21-400-801 & 23-11-00-710-801.SDR ASAA2019110131216Warning System · false activationHF2 "FAIL" DISPLAYED WHEN TESTING HF COM. GROUNDED - YES. PERFORMED BITE OF HF2 SYST REF B737-800 AMM 23-11-00-810-801 NO FAULTS FOUND. PERFORMED HF OPS TEST REF AMM 23-11-00-710-801 OPS CHECKS GOOD. DISPLAY NO LONGER SHOWS "FAIL". FUEL TRUCK REMOVED FROM AREASDR ASAA2019103131215Warning System · false activationHF RADIO #2 "FAIL" ANNUNCIATED ON RADIO TUNING PANEL. GROUNDED - YES. CONFIRMED FAULT, HF RADIO #2 SHOWS "FAIL" ON RADIO TUNING PANEL. CYCLED AIRCRAFT POWER. PERFORMED HF COMMUNICATION SYSTEM - OPERATIONAL TEST REF B737-900 AMM 23-11-00-710-801 AND HF COMMUNICSDR ASAA2019103131214Satcom · lockedSATCOM LOCK-UP GROUNDED - YES. RAN QRH, SAT RESTOREDSDR CALA2019110301897Transceiver · faultyHF 1 RADIO TRANSMISSION PROBLEM AT ALL STATIONS. REQUEST DEFERRAL PER MEL 2311A. TOMC APPROVE MEL 2311A. COMPLIED WITH MEL 2311A. PERFORMED FIM TASK. 23-11-00-810-803 AND REPLACED HF #1 TRANCEIVER. DATA LINK REF AMM23-11-21-000-801 BITE TEST OK REF AMM23-11 TASDR ASAA2019103171168Transceiver · inoperative#2 HF RADIO INOP. GROUNDED - YES. ACCOMPLISHED B737-800 FIM 23-11 TASK 806 COULD NOT CONTACT SFO-AIINC. REMOVED #2 HF XVR AND PLACED ON SOS PER B737-800 AMM 23-11-21-000-801. INSTALLED #2 HF XVR PER AMM 23-11-21-400-801. PERFORMED INSTALLATION TEST PER AMM SUB
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