JASC 3510

Service difficulty reports · 2,418

Reports filed under 3510 · Crew Oxygen 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 = '3510'
  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 CALA2025100209535Disk · brokenO2 GREEN DISK BROKEN. REPLACED BROKEN DISCHARGE INDICATOR DISK IAW AMM 35-12-51.Oct 2, 2025 · N12218 · Boeing 737824SDR AALA202510036451Oxygen Bottle · faultedAIRCRAFT WAS NOT GROUNDED: WHILE ACCOMPLISHING JOBCARD 26C20035003, EMERGENCY OXYGEN CONTAINER DOOR DOES NOT CLOSE ON ROW 1FD. MAINTENANCE REPLACED OXYGEN CONTAINER.Oct 1, 2025 · N154AA · Airbus A321231SDR AALA202510034106Oxygen Bottle · faultedAIRCRAFT WAS NOT GROUNDED: WHILE ACCOMPLISHING JOBCARD 26C20035003, EMERGENCY OXYGEN CONTAINER DOOR DOES NOT CLOSE ON ROW 22ABC. MAINTENANCE REPLACED OXYGEN CONTAINER IAW AMM 35-21-41-000-001-AND AMM 35-21-41-400-001-A.Oct 1, 2025 · N154AA · Airbus A321231SDR DALA2025092907067Hose · leakingOXYGEN LEAK ON FO'S MASK FOUND DURING TEAT. RESECURED HOSE PER A319 AMM 35-19. (7885844).Sep 27, 2025 · N348NB · Airbus A319114SDR DALA2025091206734Oxygen Mask · abnormalFO SIDE O2 MASK BLINKER WILL NOT GO BACK TO BLACK WHILE TESTING. FOUND MASK IN CONT FLOW SETTING, CORRECTED SETTING. OPS NML. REF A319 AMM 35-12. (7271309).Sep 11, 2025 · N371NB · Airbus A319114SDR COEA2025091605856Oxygen Bottle · leakingAN EMERGENCY DESCENT WAS PERFORMED DUE TO OXYGEN DEPLETION AT FL210. AN EMERGENCY WAS DECLARED. THE AIRCRAFT LANDED IN HDN WITHOUT FURTHER ISSUES. O2 BOTTLE REPLACEMENT IAW C208 MM 35-01-00.Sep 10, 2025 · N856FE · Cessna 208BSDR DALA2025091106701Stowage Box · faultedWHEN TESTING CAPT FWD O2 MASK, AIRFLOW YELLOW INDICATOR WOULD ALWAYS SHOW ON STOWAGE BOX. R & R CAPT FWD O2 MASK STOWAGE BOX PER A320 AMM 35-12. NO LEAKS NOTED, OPS CK NORMAL. (LP: 7587846)Sep 5, 2025 · N354NW · Airbus A320212SDR CALA2025090508513Oxygen Mask · no testCREW OXYGEN MASK REGULATOR TEST. CAPTAIN MASK REGULATOR UNIT HEAD HARNESS LEAKS WHEN TESTED. REMOVED AND REPLACED CAPTAIN MASK REGULATOR IAW AMM 35-12-85. OPS AND LEAK CHECKED OK.Sep 3, 2025 · N16709 · Boeing 737724SDR UIEA2025082801146Oxygen System · no discrepancy3RD SEAT OXYGEN TEST DOES NOT SHOW FULL CROSS. TOOK OUT MASK AND TESTED OXYGEN THROUGH MASK. PUT MASK BACK IN BOX AND TESTED IT, OPS CHECK GOOD PER AMM 35-00-00.Aug 28, 2025 · N702GT · Boeing 777F16SDR UIEA2025082501141Oxygen Bottle · emptyFOUND CREW OXYGEN BOTTLE IS ZERO PSI. R & R CREW OXYGEN CYLINDER, VALVE ASSY AND IND AND LEAK CHECK OK PER AMM 35-12-15-08.Aug 25, 2025 · N710GT · Boeing 777FSDR DALA2025081506130Screw · missingCAPTAIN`S OXYGEN MASK COVER LID INOPERATIVE, PARTIALLY BROKEN. REINSTALLED SCREW AMM 35-11. (7751780).Aug 15, 2025 · N314NB · Airbus A319114SDR CALA2025081507845Safety Wire · brokenCREW OXYGEN CYLINDER VALVE SAFTEY WIRE IS BROKEN, CHECK CORRECT VALVE POSITION AND RE-SAFTEYWIRE. CREW O2 BOTTLE FOUND IN AN UNSAFE CONDITION. RECTIFICATION OUTSTANDING VALVE POSITION CONFIRMED CORRECT, SAFETY WIRE RE APPLIED AND SECURED. WRT AMM 35-11-00-206-Aug 14, 2025 · N652UA · Boeing 767322SDR AALA202508145638Transducer · faultedAIRCRAFT WAS GROUNDED: CREW PRESSURE O2 INDICATION INOP. DECESION MADE TO RETURN TO DFW. MAINTENANCE REPLACED CREW OXYGEN CYLINDER PRESSURE TRANSDUCER IAW AMM 35-11-03.Aug 12, 2025 · N776AN · Boeing 777223SDR DALA2025080705918Oxygen Mask · inoperativePRIMARY OBSERVERS SLIDING SEAT - SEAT UNUSABLE O2 MASK INOPERATIVE. REMOVED AND REPLACED RT OBSERVER'S O2 MASK STOWAGE BOX IAW A319 AMM 35-12.Aug 6, 2025 · N366NB · Airbus A319114SDR MTNA20250805001Microphone · no testPILOT OXYGEN MASK MICROPHONE HAS NO SOUND. INSTALLED REPLACEMENT CAPTAINS O2 MASK IAW IAW STC STO1444SE DOCUMENT 3510-1 OPS CHECK GOOD.Aug 5, 2025 · N910FX · Aerosp ATR42300SDR MTNA20250729001Oxygen Mask · no testFO'S OXYGEN MASK WOULD NOT TEST PROPERLY. MX: RAI #2 CREW OXTGEN MASK STOAGE COMPARTMENT IAW BE AEROSPACE MM 35-10-87.Jul 28, 2025 · N821FX · Aerosp ATR72212SDR UIEA2025072601029Oxygen Mask · no testCAPT OXYGEN FLOW INDICATOR NOT SHOWING YELLOW CROSS WHEN TESTING. REMOVED AND REPLACED CAPT OXYGEN MASK STOWAGE BOX IAW AMM 35-11-51. OPS CHECKS GOOD.Jul 26, 2025 · N662GT · Boeing 76731ASDR CALA2025072306862Transducer · faultedCREW OXYGEN DROPPED FROM 1480 TO 90 FOUND CREW O2 BOTTLE WITHIN SERVICE LIMITS. REMOVED AND REPLACED CREW O2 PRESSURE TRANSDUCER IAW AMM 35-11-03. OPS CHECK NORMAL. NO LEAKS NOTED. CREW O2 READS 1650.Jul 21, 2025 · N783UA · Boeing 777222SDR DALA2025072305548Oxygen Box · inoperativeSHIP 3170, ADDITIONAL OBSERVERS FIXED SEAT, SEAT UNUSABLE SWAPPED CAPT O2 MASK WITH FIXED OBS SEAT MASK. REPLACED BOX PER AMM 35-12.Jul 21, 2025 · N370NB · Airbus A319114SDR DALA2025071505314Oxygen Mask · no testSHIP 3168 O2 MASK WILL NOT SOUND DURING TEST. CORRECTIVE ACITON: R/R OBSERVER SEAT O2 STOWAGE BOX IAW A-319 AMM 35-12. (7454926).Jul 9, 2025 · N368NB · Airbus A319114SDR UIEA2025070800867Oxygen Mask · obstructedSAFETY HAZARD OXYGEN MASK OBSTRUCTED BY GPS CABLE, O2 IS UNUSABLE.(<P>ROUTED CABLE PER EO 7746A003. DOES NOT OBSTRUCT O2 MASK. NO FURTHER DEFECTS NOTED.</P>)Jul 8, 2025 · N702GT · Boeing 777F16SDR DALA2025070805165Oxygen Mask · inoperativeSHIP 3162 O2 MASK INOP. CORRECTIVE ACTION: T/S IAW A319 TSM 35-10-00-810-805-A. (7730602).Jul 7, 2025 · N362NB · Airbus A319114SDR SWAA2025070888433Oxygen Bottle · low pressureCREW O2 LOW. REMOVED AND REPLACED CREW 02 BOTTLE PER AMM 12-15-21 AND IN ACCORDANCE WITH MT 835-PRD-01-01.Jul 5, 2025 · N8850Q · Boeing 7378SDR UIEA2025070200829Oxygen Bottle · low pressureCREW OXY LOW. INDICATED 1560 PSI ON GROUND BEFORE TAKE-OFF. INDICATED 500 DURING CLIMB WHEN WE GOT EICAS MESSAGE.(<P>R/R CREW O2 BOTTLE IAW AMM 12-15-08. BOTTLES PRESERVICED TO 1800PSI, NO LEAKS NOTED. OPS CHECK GOOD. CHANGED DUE TO LOSE B-NUT RESULTING IN TANJul 2, 2025 · N481MC · Boeing 747443SDR DALA2025070104939Oxygen Mask · no testSHIP 3245 O2 MASK FO SIDE NOT TESTING PROPERLY. FO MASK O2 FLOW CKS GOOD. MIC FUNCTION INOP. SWAPPED FO & CA MASK, MIC TESTS GOOD. RETURNED ORIGINAL POS. R/R THE FO OXYGEN MASK STOWAGE BOX REF 320 AMM 35-12. OPS AND LEAK CK PASS. (LP: 7023366)Jun 29, 2025 · N345NW · Airbus A320212SDR DALA2025063004872Indicator · inoperativeSHIP 3115 F/O OXYGEN MASK PUSH TO TEST, YELLOW INDICATOR NOT SHOWING. CORRECTIVE ACTION: RESEATED MASK ON THE FO SIDE. PERFOMRED AN OPS PER A319 AMM 35-12. (7172562).Jun 27, 2025 · N315NB · Airbus A319114SDR 2025FA0000431Quick Disconnect · wornOXYGEN BOTTLE BLEEDING DOWN WHEN CREW MASKS ARE PLUGGED IN. SUSPECTED MASKS, BUT DETERMINED QUICK DISCONNECT FITTINGS TANGS INSIDE STORAGE BOX WORN ENOUGH TO PREVENT A TIGHT CONNECTION. REPLACED FITTINGS WITH NEW DPB-150 TO RESOLVE ISSUE.Jun 27, 2025 · N67MT · Amd FALCON50MYSTSDR MTNA20250616001Flex Hose · leakingDURING PREFLIGHT OF FLIGHT 7500 MYR-CAE WITH AIRCRAFT N810FX, IT WAS DISCOVERED THAT THE F/O OXYGEN MASK WAS LEAKING. MAC MAINTENANCE TROUBLESHOT THE ISSUE TO THE OXYGEN LINE.Jun 18, 2025 · N810FX · Aerosp ATR72202SDR DALA2025061804581Oxygen Mask · leakingSHIP 3330 - ATB - DUE TO CREW OXYGEN LEAK. CORRECTIVE ACTION: REPLACED F/O MASK AND 2ND OBSERVERS MASK STORAGE BOX. OK FOR SERVICE. (7069062)Jun 18, 2025 · N830NW · Airbus A330302SDR UIEA2025061100739Switch · brokenFIRST OBSERVER O2 MASK SWITCH BROKEN 2511.(<P>R/R 1ST OBS O2 BOX ASSY IAW AMM 35-11-18. OPS CHECK & LEAK CHECK GOOD. NO FURTHER DEFECTS NOTED. THIS CLEARS DMI 232321. PLACARDS REMOVED.</P>)Jun 10, 2025 · N703GT · Boeing 777F16SDR AALA202506023444Oxygen Bottle · low pressureAIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT DIVERTED TO DFW DUE TO THE FLIGHT CREW REPORTING THAT THE FLIGHT DECK OXYGEN PSI WAS 440 WITH A TEMPERATURE OF 54. THE AIRCRAFT LANDED SAFELY AT DFW WITHOUT FURTHER INCIDENT, MAINTENANCE REPLACEMay 31, 2025 · N190UW · Airbus A321211SDR UIEA2025052100650Oxygen Box · faultedRIGHT OBSERVER OXYGEN REGULATOR STOWAGE BOX DOES NOT CLOSE.(<P>RESTOWED OBSERVER O2 MASK REGULATOR IN STOWAGE BOX IAW B767 AMM 35-11-51, OPS TEST NORMAL. NO FAULTS NOTED.</P>)May 21, 2025 · N664GT · Boeing 76731BSDR UIEA2025051800630Oxygen Bottle · leakingCREW O2 LOW.(<P>FOUND UPPER CREW O2 BOTTLE READING 500 PSI AND LEAKING FROM S/O VALVE. REMOVED AND REPLACED UPPER CREW O2 CYLINDER IAW AMM 12-15-08-900-801 REV 104. IPC REFERENCE 35-11-51-01F REV 18. OPS & LEAK CHECK OK. NEXT HYDRO DUE DATE 11/2029.</P>)May 18, 2025 · N702GT · Boeing 777F16SDR DXTA2025051003435Tee Fitting · leakingOXYGEN PRESSURE INDICATION: REPEAT WRITE UP. RETURNED TO AC THIS MORNING AFTER AOG OF 02 INDICATING SYSTEM LAST NIGHT. INITIAL INDICATION WAS 1700 PSI. INDICATION IN NOSE COMPARTMENT WAS IN THE GREEN ARC. AFTER AN 1.5 OF FLIGHT INDICATION IN THE COCKPIT EIS WAMay 10, 2025 · N622QS · Cessna 680ASDR CALA2025051204619Oxygen Bottle · leakingCREW OXYGEN LOW ADVISORY CREW OXYGEN PRESSURE IS LOW. POSSIBLE CAUSES ARE; CREW OXYGEN US AGE, LEAKAGE IN TUBING, OR CYLINDER SHUTOFF VALVE IS CLOSED. O2 IN COCKPIT READS 0. INSPECTED CREW O2 BOTTLE, #1 BOTTLE INDICATED ZERO PSI. #2 BOTTLE WAS AT 1500 PSI. OVEMay 8, 2025 · N38955 · Boeing 7879SDR WX0A2025050732417Oxygen Box · no test(AIRCRAFT NOT GROUNDED) TEST RESET BUTTON ON JUMPSEAT O2 BROKEN / REMOVED AND REPLACED PRIMARY OBSERVER'S O2 MASK STOWAGE BOX IAW AMM 35-12-41-000-001-A, AND 35-12-41-400-001-A. OPS TEST GOOD OK FOR SERVICE. THIS CLEARS MEL 25-11-06-A, MDDR# 211934. PLACARDS RMay 5, 2025 · N327NV · Airbus A319111SDR WX0A2025050732416Oxygen Box · no test(AIRCRAFT GROUNDED) FO OXYGEN MASK YELLOW BLINKER NOT DISPLAYED DURING TEST. / REMOVED AND REPLACED FO OXYGEN MASK BOX IAW AMM 35-12-41-000-001-A AND 35-12-41-400-01-A. OPS + LEAK CHECK OK."May 4, 2025 · N285NV · Airbus A320214SDR CNMA202504280002Regulator · leakingAT 10,000 MSL, CREW O2 QTY DROPPED TO 70 PSIApr 25, 2025 · N225NE · Boeing 767323SDR MTNA20250407002Oxygen Mask · no testDURING PREFLIGHT OF AIRCRAFT FOR FLIGHT 8120 BQN-AUA, THE CAPTAINS SIDE O2 MASK WOULD NOT TEST. BQN MAINTENANCE REPLACED THE CAPTAINS SIDE MASK AND FLIGHT 8120 DEPARTEDApr 7, 2025 · N918FX · Aerosp ATR42300SDR UIEA2025040400438Transducer · malfunctionedCREW SUSPECTED O2 LEAK DUE TO O2 QUANTITY DECREASING APPROX 10 PSI PER 20 MIN DURING FLIGHT. AHM SHOWED CREW O2 LOW MESSAGE.(<P>VERIFIED NO CREW O2 LEAKS AND PRESSURE CHECK OKAY AT 1720 PSI. TRANSFER INDICATION TO MDDR #228611 PER MEL 35-11-02 CAT C DUE 14APR2Apr 4, 2025 · N489MC · Boeing 747412FSDR SWIA2025040700004Oxygen System · warning messageCRUISING AT 370FL RECEIVED O2 LOW MSG OBSERVED O2 LEVEL 900 PSI DROPPING 10 LBS EVERY 40 SECS, LOWEST LEVEL WAS 500 PSI. ON THE GRD ITS SITTING AT 1660 PSI (FLIGHT 3676 - FILED CLOSED)PLEASE REFERENCE AML 1575104 TROUBLESHOT DISCREPANCY IN REF TO CRJ 700 FIM 3Apr 4, 2025 · N778SK · Cndair CL6002C10SDR CALA2025040703584Initiator · expiredGENERATE LOG PAGE FOR SDR REPORTING. REF LOG PAGE 4381952. FOUND FOLLOWING INITIATOR ASSY EXPIRED. MFD 01/2015: 43ABC. MFD 02/2015: DR3 GLY, 2DF, 31 ABC, 34 ABC,42 ABC,45 ABC,50 ABC, 51 ABC AND 53 ABC. ABOVE MENTIONED INITIATOR ASSY REPLACED PER EC/RA #3520-0Apr 4, 2025 · N27958 · Boeing 7879SDR K11A2025040200309Oxygen Mask · inoperativeFO SIDE OXYGEN MASK BECAME INOPERATIVE AFTER 2 MINUTES OF USE. EMERGENCY PROCEDURE (DESCRIBE UNSCHEDULED LANDING, EMER. DESCENT, ETC) TEXT: FO SWITCHED TO AN ADDITIONAL MASK IN THE COCKPIT. REATTACHED FO’S OXYGEN MASK HOSE IAW B737 AMM 35-12-86. PERFORMED OPApr 2, 2025 · N337CK · Boeing 7373Y0SDR WX0A2025032432364Oxygen Mask · leaking(AIRCRAFT NOT GROUNDED) CREW REPORTS CAPTAIN O2 MASK LEAKING / REMOVED AND REPLACED CAPTAINS O2 MASK IAW AMM 35-12-41-000-002-A AND 35-12-41-400-002-A. OPS CHECK GOOD"Mar 23, 2025 · N311NV · Airbus A319111SDR DALA2025032202152Oxygen Mask · unwanted deploySHIP 3245 DISC: CAPT & FO OXYGEN MASKS DEPLOYED / USED IN FLIGHT. C/A: CLEANED AND RE-STOWED CAPT/FO OXYGEN MASKS, TESTS OK. REF A320 AMM 35-12. (LP: 7162989)Mar 20, 2025 · N345NW · Airbus A320212SDR UIEA2025032400383Oxygen Box · no testFIRST OBSERVER MASK STOWAGE BOX FAILS TO TEST. R & R OBS O2 MASK STOWAGE ASSY PER AMM 35-11-18-52. OPS CHK GOOD. DMI 227712 CLOSED.Mar 19, 2025 · N702GT · Boeing 777F16SDR WX0A2025031432353Oxygen Mask · inoperative(AIRCRAFT NOT GROUNDED) FO O2 MASK AFTER RETURNING TO STORAGE, WILL NOT PRESS TO TEST, FLAG DOES NOT GO AWAY / REMOVED AND REPLACED THE OBSERVER O2 MASK BOX (10RN3) IN REF TO A320 AMM 35-12-41-000-001-A AND A320 AMM 35-12-41-400-001-A. OPS AND LEAK CHECK GOOD Mar 13, 2025 · N284NV · Airbus A320214SDR SWI2025F00283Oxygen Bottle · low pressureOXYGEN LO PRESS CAUTION MESSAGE IN CRUISE. PRESSURE WENT AS LOW AS 600PSI. PRESSURE WENT BACK TO NORMAL AFTER LANDING. MEL 35-12-1ACAT C, SMOD RTS APPROVAL REQUIRED DUE TO ODI EVENT. OXYGEN LO PRESS CAUTION MESSAGE IN CRUISE. PRESSURE WENT AS LOW AS 600PSI.Mar 5, 2025 · N778SK · Cndair CL6002C10SDR SWI2025F00271Oxygen Bottle · low pressureOXY LO PRESS AFTER LEVELING AT CRUISE CAPT OX MASK DEPLETED AIR. (FLIGHT 3699 - FILED CLOSED) FOUND CAPT O2 MASK HOSE BURST . REMOVED AND REPLACED CAPT SIDE O2 MASK REF TO CRJ 700 AMM 35-11-12 OPS TEST GOOD . NO LEAKS FOUND AT THIS TIME A/C OK FOR SERVICMar 2, 2025 · N713SK · Cndair CL6002C10SDR MTNA20250221001Oxygen Bottle · failedSHORTLY AFTER LINE CHECK, CREW O2 PRESSURE WAS AGAIN BELOW 1500PSI AFTER BEING SERVICED JUST PRIOR. DURING INSPECTION FOUND OXGEN BOTTLE VALVE DAMAGED AND LEAKING. BOTTLE REQUIRES REPLACE. REMOVED AND REPLACED CREW OXYGEN BOTTLE (5101HT) W/ REF TO ATR-A-35-11-Feb 21, 2025 · N803FX · Aerosp ATR72212
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