JASC 3500

Service difficulty reports · 180

Reports filed under 3500 · 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 = '3500'
  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 CALA2026041315286Sensor · faultedNITROGEN GENERATION SYSTEM OPERABILITY INDICATOR DEGRADED (BLUE) LIGHT IS ON. BLUE LIGHT ON NITROGEN GENERATOR. PERFORMED ELECTRICAL TEST FAILED OXYGEN SENSOR MESSAGE 47-30062 REF FIM 47-31-TASK 838, CHECKED UNIT, FOUND NO FUEL SMELL REPLACED OXYGEN SENSOR Apr 7, 2026 · N16703 · Boeing 737724SDR CALA2025111711228Check Valve · faultedLEAK CHECK OF NITROGEN GENERATION SYSTEM, RESIDUAL FUEL & FUEL ODOR AT BOTH DRAIN PORTS, REQUIRES PRIMARY AND SECONDARY BACKFLOW PREVENTION CHECK VALVES TO BE CHANGED IAW AMM 47-21-04. R & R SECONDARY BACK FLOW PREVENTER PER AMM TASK 47-21-04. PERFORMED ONov 16, 2025 · N37456 · Boeing 737924ERSDR DXTA2025070804140Pressure Switch · faultedCOMING THROUGH 16,000 FEET ON OUR ARRIVAL THE EAGLE WE HAD WHAT APPEARED TO BE AN RAPID DECOMPRESSION. WE HAD A LOUD BANG, FOLLOWED BY CABIN ALTITUDE LIGHT. PASSENGER OXYGEN MASKS AUTO DEPLOYED, AND WERE USED BY PASSENGERS. CREW MASKS WERE USED AS WELL. OXYGJul 5, 2025 · N672QS · Cessna 560XLSDR MTNA20250401001Regulator · leakingOXYGEN SYSTEM TRANSMITTER / REGULATOR SLOWLY LEAKING.Apr 1, 2025 · N909FX · Aerosp ATR42300SDR CALA2024110102753Actuator · failedALL PAX O2 MASKS DEPLOYED BY ACCIDENT ON INITIAL PREFLIGHT PAX OXYGEN MASKS DID NOT DEPLOY AT: 7ABC, 8ABC, 10ABC, 10DEF, 26 ABC, 30ABC, 30DEF, DOOR R2 ASU & LAV D LSU.Oct 28, 2024 · N16701 · Boeing 737724SDR UIEA2024072600753Averaging Unit · faultedON GROUND OXYGEN PRESSURE SHOWS 40 PSI.(<P>R/R AVERAGING UNIT IAW AMM 35-11-06. OPS & LEAK CHECK GOOD. DMI 213524 CLOSED.</P>)Jul 26, 2024 · N649GT · Boeing 767375SDR UIEA2024071300660Oxygen Bottle · damagedFWD CLOSET PORTABLE OXYGEN BOTTLE MFG LABEL DAMAGE P/N 9700C1A-BF23A(<P>REMOVED AND REPLACED PORTABLE OXYGEN CYLINDER LOCATED IN CABIN FWD CLOSET AS REQUIRED IAW AMM </P> / <P>35-11-01. OPS & LEAK CHECK GOOD</P>)Jul 15, 2024 · N641GT · Boeing 76738ESDR G41A202405100365Connector · backed outON 5/9/2024 N276BG, CYO276, DEPARTED KELP HEADING TO KSGU, APPROXIMATELY 15 MINUTES INTO THE FLIGHT, THE CAPTAIN NOTICED THE OXYGEN PRESSURE INDICATOR WAS READING ZERO/EMPTY. THE CAPTAIN DECIDED TO RETURN TO KELP. ATI MAINTENANCE MET THE AIRCRAFT AND HOOKED UPMay 9, 2024 · N276BG · Lear 60LEARSDR DALA2024042304653Control Panel · unsecureOXYGEN PANEL LOOSE. RESECURED O2 PANEL LOC'N 108 PER A330-300 AMM 35-21-41. OK FOR SVC.Apr 22, 2024 · N801NW · Airbus A330323SDR DALA2024010210750Unknown · unknownTWO AFT O2 BOTTLES INSTALLED IMPROPERLY. CAN NOT REMOVE BOTTLES. ADJUSTED AFT TWO O2 BOTTLE BRACKETS AS REQUIRED. O2 BOTTLES CAN NOW BE REMOVED/INSTALLED PROPERLY. (LP: 4595656)Dec 27, 2023 · N317US · Airbus A320211SDR ASAA2023072244211Modulating Valve · faultyTECH SERVICES REQUEST FOR FOLLOW-UP TO MTX LIGHT & FAULT(#1 LEFT FAMV FAULT 36-12020 #1(LH) FAMV IS NOT IN COMMANDED POSITION)----(#PRI1)----ETOPS SIGNIFICANT SYSTEM----. GROUNDED - YES. (RESOLVED ON W/O: 1962416 TASKCARD: N/R-00002 ) REMOVED AND REPLACED #1 LJul 22, 2023 · N934AK · Boeing 7379SDR DALA2023072906139Unknown · unknownSHIP 5801 -DIV- TO DFW DUE TO ROW 34 ABC OXYGEN MASKS DROPPED DURING TAKEOFF FROM LAX. CORRECTIVE ACTION: APPLIED MEL AND BLOCKED SEAT ROW. (8986264)Jul 18, 2023 · N581NW · Boeing 757351SDR DALA2023071005589Unknown · unknownSHIP 5028 - ATB - DUE TO CAPTAIN SIDE O2 PRESSURE DROPPING. INSPECTED AND FOUND BOTH CAPTAIN AND FIRST OBSERVER IN EMERGENCY, AND A LEAK IN THE FORWARD CREW O2 BOTTLE REGULATOR SUPPLY B-NUT, SAME WAS TIGHTENED AND CREW O2 SERVICED, NO LEAKS NOTED. (LP 48718Jul 9, 2023 · N528DE · Airbus A320*SDR CALA2023071002206Door Latch · inoperativeFWD LAV O2 PANEL DOOR REPEATEDLY POPPED OPEN IN FLT. MASKS STAYE D STOWED. FWD LAV O2 BOX DOOR LATCH INOP COMPLIED MEL 3521B OK TO DEFER FWD LAV O2 MODULE INOP PARTS INFO UPDATE REPLACED LATCH MECAHNISM AND LATCH PIN WITHIN BOX PER CMM 75-3521-3-0025,QTY :1 3Jul 6, 2023 · N471UA · Airbus A320232SDR QV1Y2023062224283Unknown · unknownTHIS REPORT IS SUBMITTED ON BEHALF OF JET AVIATION AG BASEL - FAA APPROVAL NUMBER QV1Y440K. DURING THE CURRENT MAINTENANCE INPUT AT JET AVIATION BASEL, REF. PROJECT BN77Q004, THE FOLLOWING FINDINGS WERE RAISED: WORK ORDER 4020: FLIGHT CREW OXYGEN PRESSURE FJun 22, 2023 · N7777Q · Boeing 7377BCSDR UIEA2023061800648Unknown · unknownPORTABLE OXYGEN BOTTLE USED AT L-4 LOCATION.(<P>TRANSFERRED TO MDDR 187645 PER MEL 35-31-01 CAT D, DUE DATE 16OCT2023</P>)Jun 18, 2023 · N662GT · Boeing 76731ASDR UIEA2023050900441Unknown · unknownFWD E& E CREW OXYGEN NEED SERVICE TO FULL .(<P>SERVICED CREW OXYGEN CYLINDER @ LOWER E&E COMPARTMENT IAW 767-300 AMM 12-15-08, AMM 35-00-00, AMM 35-11-00 & AC. 43.13-1B PAR 9-46 THRU 9-51. NO LEAKS NOTED DURING NORMAL OPERATIONAL CHECK</P>)May 8, 2023 · N1489A · Boeing 76731KSDR MTNA20230508001Unknown · unknownFO O2 MASK LEAKS AT BOX. REPLACED OXYGEN HOSE ASSEMBLY. OPS CHECK GOOD WITH NO DEFECTS NOTED.May 8, 2023 · N906FX · Aerosp ATR42*SDR DALA2023050803584Unknown · unknownSHIP 3304 LOW O2 WARNING IN CREW RESTCOMPARTMENT.MASKS DEPLOYED. THE SYS WAS RESET. CORRECTIVE ACTION: TSM TASK PERFORMED AND TESTED OK. ALL MASKS RESTOWED. SYS WORKS PROPERLY. (9823264)May 6, 2023 · N804NW · Airbus A330323SDR UIEA2023040300308Unknown · unknownFWD E/E CREW OXYGEN NEED SERVICE TO FULL.(<P>SERVICED FWD E&E CREW OXYGEN AS PER B767 AMM CH 12-15-08, AC 43.18-1B PAR 9-46 THRU 9-51 PGS 9-448 THRU 9-455. OPS CHECK GOOD. NO LEAKS FOUND.</P> / <P>PN: 801307-00 SN ST298851 DUE DATE 31 JUL 25 MFG DATE 31 JAN 1Apr 3, 2023 · N1997A · Boeing 76733ASDR UIEA2023040100300Unknown · unknownRIGHT SUPERNUMERARY SEAT OXYGEN MASKS DEPLOYED (UNCOMMANDED) IN FLIGHT(<P>TRANSFER TO DMI 183092 PER MEL 35-21-01-02-01 CAT C, DUE DATE 11APR2023. 2 RIGHT SUPERNUMARY SEAT BLOCKED FOR PSU INOP (DOOR NOT SECURABLE). DOOR CLOSED AND SECURED BY TAPE. REPOSITIONEApr 1, 2023 · N493MC · Boeing 74747UFSDR UIEA2023032300280Cylinder · unknownFORWARD CLOSET #119 MOUNTED PORTABLE O2 BOTTLE PRESSURE LOW.(<P>R/R PORTABLE OXYGEN CYLINDER FWD CLOSET IAW AMM 35-31-01. DMI 182537 CLOSED. PLACARD REMOVED</P>)Mar 23, 2023 · N645GT · Boeing 767324SDR UIEA2023021700131None · noneCREW OXYGEN DROPPED FROM 1500-400 PSI IN 7 HOURS(<P><SPAN STYLE="COLOR: BLACK;">LEAKING B-NUT FITTING FOUND AT REGULATOR AND RETORQUED IAW AMM 20-51-01, NO CHANGE IN O2 PRESSURE IN 7 HOURS. ULTRASONIC LEAK CHECK COMPLETE, NO LEAKS NOTED. A/C PRESSURIZED, NO LEFeb 17, 2023 · N480MC · Boeing 747422SDR WX0A2022102874293Epsu · noneALL EMERGENCY LIGHTS ARE INOP DURING ENG GEN OFF AND APU OFF AND LIGHTS IN ""ARMED"" POSITION / REPLACED EMER LT BATTERIES REF TSM 33-51-00-810-801-A/ AMM 33-51-38-400-001 OPS OK"Oct 27, 2022 · N282NV · Airbus A300*SDR P5CA2022092100172Oxygen Bottle · nonePORTABLE OXYGEN BOTTLE AT GALLEY EMERGENCY EQUIPMENT COMPARTMENT LOW PRESSURE(<P><SPAN>REMOVED AND REPLACED PORTABLE OXYGEN BOTTLE AT GALLEY EMERGENCY EQUIPMENT COMPARTMENT IAW AMM 35-31-00. OK FOR SVC AND NO LEAKS NOTED. </SPAN></P>)Sep 18, 2022 · N705GT · Boeing 777SDR HALA2022090100254None · noneETOPS - ECAM: ANTI ICE ENG 1 SYS FAULT, ENG 1 A-ICE MONG FAULT ILLUMINATED IN DESCENT 1-2 MINUTES // REMOVED AND REPLACED NAI PRESSURE TRANSDUCER (4002DN) REF AMM 30-21-23. OPS TEST GOOD. NO FAULTS NOTED. OK FOR SERVICE.Aug 31, 2022 · N226HA · Airbus A321271NSDR SWIA202266344None · leakingD: PER FLEET COORDINATOR, DUE TO HISTORY OF REPEATED CREW O2 SERVICING AND PRESSURE TOO LOW FOR DISPATCH, PLEASE TROUBLESHOOT THE CREW O2 SYSTEM IAW FIM TASK 35-11-00-810-804-A. BASED ON THE 90 DAY HISTORY WHERE THIS IS A SLOW LEAK, THE PRESSURE DROP RATE WILLAug 21, 2022 · N611UX · Emb EMB110*SDR GTIA2022081536584Oxygen Mask · leaking"FO OXYGEN MASK HAD A CONTINOUS LEAK WHEN STOWED -R/R OF THE FO,S 02 MASK DUE TO LEAKING IAW AMM 35-12-41 LEAK CK GOOD SEVICED THE CREW 02 IAW GMM 3-12-7 AND AMM 35-12-41. OPS CHECK GOOD A/C OK FOR SERVICE AT THIS TIME "Aug 12, 2022 · N694NK · Airbus A320232SDR UIEA2022080200802Panel · damagedMD OXYGEN MASK ACCESS PANEL DAMAGE ON ROW 10 D,F & G.(<P>REPAIRED PANEL PER SRM 51-20-05-06-0. OK FOR SERVICE.</P>)Aug 2, 2022 · N640GT · Boeing 7673S1SDR UIEA2022070700736None · noneCOCKPIT PORTABLE OXYGEN FULL FACE MASK LENS FRAME DAMAGED P/N 10800C15F(<P><SPAN>REMOVED AND REPLACED PORTABLE OXYGEN FULL FACE MASK AS PER B767-300 AMM 35-31-00.</SPAN></P>)Jul 7, 2022 · N1013A · Boeing 76736NSDR SWIA202266124None · scratchedFORWARD WET AREA CROSS BEAM SCRATCHED ALONG CENTER SURFACE AT FRAME 17. (C-CHECK RO 7/13/2022) / CUTOUT DAMAGED AREA AND INSTALLED REPAIR DOUBLER/FILLERS FOR FORWARD WET AREA CROSS BEAM AT FRAME 17, REF EMB175 SRM 53-00-10/REPAIR 03P. REPAIR PARTS WEIGJun 27, 2022 · N253SY · Emb EMB110*SDR CALA2022050901176Pressure Switch · unserviceable(B757-35-3-0009) PASSENGER OXYGEN SYSTEM, ALTITUDE PRESSURE SWIT CH FAILS OPS CHECK. TRANSCRIBED FROM HAECO GSO NRC 9285968May 7, 2022 · N12125 · Boeing 757200SDR 2022FA0000244Filter Adapter · failedOIL FILTER ADAPTER IS AN F&M ENTERPRISES ADAPTER INSTALLED UNDER AN STC. IT IS AFFECTED BY A STRATUS MANDATORY SERVICE BULLETIN NO. SB-001, REV B AND AN AIRWORTHINESS DIRECTIVE AD22-04-04. A FIBER GASKET WAS INSTALLED BETWEEN THE ADAPTER NUT AND OIL PUMP BODY.May 4, 2022 · N2772 · Beech 95B55SDR YENA2022042900424None · noneFLT#2519, LGA-MSY. 'FA/S IN REAR OF AIRPLANE REPORTED STRONG MUSTY ODOR AT AROUND 10000' ON DESCENT ACCOMPANIED BY HEADACHE. FO ALSO REPORTED THE SMELL BUT NOT AS STRONG ( PACKS ); RAN BOTH ENGINES WITH RESPECTIVE PACKS AND BLEEDS. 2 FULL CYCLES HOT AND COLD,Apr 27, 2022 · N605JB · Airbus A320232SDR 2022FA0000231Bulkhead Web · crackedPRIMARY STRUCTURAL ANGLED BULKHEAD P/N: 2612060-5, LOCATED AT F.S 474.4 WHICH INCLUDES THE LEFT AND RIGHT FORWARD HORIZONTAL STABALIZER FORWARD ATTACH POINTS WAS DISCOVERED TO BE CRACKED THROUGH THE WEBB, BELOW THE ELEVATOR CONTROL PUSHROD PASS THROUGH CUT OUTApr 27, 2022 · N4591B · Cessna 208BSDR YENA2022042200389None · noneFLT#1705, EWR-FLL. 'ON DESCENT FROM 8000" TO 3000" WHILE PASSING THROUGH CLOUDS, NOTICEABLE FUME SMELL OF DIRTY SOCKS. DISSIPATED BEFORE LANDING; COMPLIED WITH INFORMATION NOTICE 2017-T015I SECTION A ISOLATED FAULT TO TYPE 1 (APU) PER TSM 05-50-00-810-085B/TSApr 21, 2022 · N646JB · Airbus A320232SDR UIEA2022041900316None · noneFWD CARGO CREW OXYGEN NEED SERVICE TO FULL .(<P>REMOVED, SERVICED & REINSTALLED FWD CARGO CREW O2 BOTTLE PER B767-300</P> / <P>AMM 12-15-08, 35-00-00, 35-11-00 & AC 43.13-1B PAR 9-46 THRU 9-51 PGS 9-448 THRU 9-455. </P> / <P>NO LEAKS. P/N B42365-1. S/N Apr 20, 2022 · N1181A · Boeing 7673Y0SDR UIEA2022042000348Transducer · noneCOCKPIT O2 INDICATION SHOWED 1990 PSI DURING PREFLIGHT. ATTEMPTED DRAIN BUT PRESSURE/FLOW RATE DECREADED RAPIDLY. MX FOUND BOTTLE EMPTY.(<P>INDICATION TRANSFERRED TO MDDR 164350. REMOVED AND REPLACED O2 BOTTLE IAW AMM 12-15-08. LEAK CHECK GOOD.</P> / <P>LOGPAGApr 20, 2022 · N645GT · Boeing 767324SDR UIEA2022042000349None · none#2 OXYGEN BOTTLE PRESSURE REGULATOR LEAKING(<P><SPAN>REMOVED AND REPLACED #2 OXYGEN PRESSURE REGULATOR IAW AMM 35-11-03. OPS AND LEAK CHECK GOOD AT THIS TIME.</SPAN></P>)Apr 20, 2022 · N1487A · Boeing 767SDR UIEA2022042000350Transducer · noneSUPERNUMERARY O2 INDICATION IS ERRATIC(<P>TRANSFERRED TO MMDR 164289 IAW MEL 35-11-03-02A, CAT C.</P> / <P>LOGPAGE 1504123 - ITEM #4: REMOVED AND REPLACED PAX O2 TRANSDUCER PER AMM 35-11-04. THIS CLEARS MDDR 164289.</P>)Apr 19, 2022 · N1997A · Boeing 767SDR YENA2022042000386None · noneFLT#2061 LGA-RSW. ' DESCENDING THROUGH APPROXIMATELY 9000 AT FLIGHT IDLE A PRONOUNCED ODOR (FUMES SUSPECTED) WAS OBSERVED ON THE FLIGHT DECK BY THE CAPTAIN AND FIRST OFFICER. ODOR WAS SIMILAR TO MAGIC MARKER OR SOLVENT AND WAS MILD TO MODERATE IN INTENSITY. THApr 19, 2022 · N746JB · Airbus A320232SDR YENA2022042200392None · noneFLT#1923, SJU-DCA. 'STARTED APU - INFLIGHT CAME ON AC HAD DIRTY SOCK SMELL; REMOVED AND REPLACED RECIRCULATION FILTERS REF AMM 21-21-41. PERFORMED INSPECTION OF APU (EXTERIOR) REF AMM 49-00-00-200-811-A, NO DEFECTS NOTED. C/W INFORMATION NOTICE 2017-T015, SECTApr 16, 2022 · N806JB · Airbus A320232SDR MTNA20220415002Oxygen Bottle · leakingON POWERUP, FOUND O2 BOTTLE LEAKING. REMOVED AND REPLACED O2 CYLINDER. NO LEAKS NOTED.Apr 15, 2022 · N916FX · Aerosp 262A12NORDSDR 2022F00181None · noneSEAT MOUNT EMERGENCY LIGHT AT SEATS 24 ABC AND 25ABC IS INOP RESECURED ELECTRIAL CONNECTOR AT BOTH SEATS 24 ABC AND 25 ABC IAW 33-51-18 OPS CHECK GOODApr 8, 2022 · Airbus A319115SDR P5CA2022040700109None · noneFOUND BROKEN WIRE ON OXYGEN #2 TRANSDUCER (WIRE BROKEN FROM BIN)(<P><SPAN>REPIN CONNECTOR D25006 (D) IAW SWPM 20-63-01. OPS CHECK GOOD IAW AMM 35-11-00.</SPAN></P>)Apr 4, 2022 · N647GT · Boeing 767SDR 2022FA0000201Windshield · crackedRIGHT HAND, OR COPILOT SIDE WINDSHIELD OUTER GLASS PANE CRACKED INFLIGHT DURING DESCENT. AN EMERGENCY WAS DECLARED AND AN EXPEDITED DESCENT WAS PERFORMED. A NORMAL LANDING WAS THEN PERFORMED AT CHICAGO MIDWAY MDW. NOApr 3, 2022 · N626JC · Lear 45LEARSDR R61A2022040800257None · corrodedCF III EXTERNAL WASTE ACCESS PNL CORRODED. R&R IAW AMM 53-03-60.Mar 24, 2022 · N202JQ · Emb ERJ170200LRSDR 2022F00061Oxygen Mask · leakingOXYGEN LINE PN: 173382-75 WAS LEAKING AT A CRACK IN THE FITTING AT THE FORWARD PRESSURE BULKHEAD. AT THE TIME OF INSPECTION, NO REPLACEMENT LINE WAS AVAILABLE. THE LINE WAS TEMPORARILY REPAIRED PER NETJETS ENGINEERING ORDER RFTS-105980 REV. 0 DATED: 15FEB2022.Feb 20, 2022 · N644QS · Cessna 560XLSDR UIEA2022021600137Mask · noneFOUND L/H SUPERNUMERARY PARTIAL FACE OXYGEN MASK LEAKING.(<P>REMOVED AND REPLACED L/H SUPERNUMERARY PARTIAL FACE OXYGEN MASK ASSY IAW AMM 35-11-51. OPS CHECK GOOD.</P>)Feb 16, 2022 · N1229A · Boeing 767306SDR P5CA2022021600042Mask · noneFOUND ONE OXY BOTTLE DAMAGE AT UNDER DOWNLOCK BOX. OTHER TWO REMAIN OK.(<P>TRANSFERRED TO <SPAN>MDDR 161355 IAW</SPAN><SPAN> MEL 35-31-01. A/C RLS YM @ 1233Z , PLACARD INSTALLED.</SPAN></P> / <P>LP 1153005, ITEM M1: REMOVE/REPLACE PORTABLE O2 MASK PER AMM 35-3Feb 16, 2022 · N644GT · Boeing 7673JHF
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