JASC 3510

Service difficulty reports · 2,419

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 UPS99229852Mask · leakedINSPECTION TYPE:N/A, DURING CREW PREFLIGHT-CAPTAINS O2 MASK FAILED NEGATIVE PRESSURE CHECK AND ALTERNATE PREFLIGHT CHECK. REMOVED AND REPLACED CAPTAINS O2 MASK. SYSTEM CHECKS GOOD, LEAK CHECKS GOOD, REGULATORS CHECK GOOD.Jun 15, 1999 · N942UP · Boeing 72722CSDR CA990630053Regulator · malfunctioned(CAN) CAPTAIN'S OXYGEN REGULATOR WILL NOT FUNCTION CORRECTLY IN EMERGENCY POSITION ON. OXYGEN REGULATOR REMOVED AND REPLACED IAW MM.Jun 12, 1999 · Boeing 72727CSDR CA990630048O2 Mask · failed(CAN) FIRST OFFICER'S OXYGEN MASK WILL NOT ALLOW OCCUPANT TO EXHALE THROUGH THE MASK. MASK REMOVED AND REPAIRED PER MM AND REINSTALLED.Jun 1, 1999 · Boeing 727217SDR 99ZZZX2363Switch · malfunctionedRED CAUTION LIGHT COMES ON FOR OXYGEN SYSTEM - INTERMITTENT. TROUBLESHOT SYSTEM TO COPILOT'S OXYGEN SYSTEM MICROSWITCH. WHEN COPILOT'S SEAT WAS RAISED , END OF A SCREW PUSHED SWITCH CAUSING SWITCH TO MAKE CONTACT. REMOVED COPILOT'S SEAT, CUT END OF SCREW OFMay 25, 1999 · N56WF · Socata TBM700SDR DLL19990983Regulator · failedCAPTS 02 MASK HAS CONTINUOUS FLOW IN ON POSITION ON REGULATOR PANEL. PANEL SWITCH MUST BE TURNED OFF TO CEASE FLOW. CREW 02 PRESSURE NOW AT 800 PSI. REPLACED CAPTS REGULATOR AND SERVICED CREW 02 BOTTLE, BOTH LEAK CHECK OK.May 5, 1999 · N755DL · Lkheed 10113853SDR 99UAL900239Valve · defectiveEN ROUTE CDG-SFO, FLIGHT CREW OXYGEN PRESSURE DECLINING AT RATE OF 20 PSI PER MINUTE. FLIGHT DIVERTED TO KEF. *S/D* ON ACCOMPLISHMENT OF LEAK CHECK, FOUND OXYGEN BLEED VALVE, (P/N 19820-1), LEAKING OUT AT THE EXHAUST PORT. VALVE WAS REPLACED WITH A NEW VALApr 24, 1999 · N205UA · Boeing 777222SDR DL73K990760Mask · leakingIN CRUISE, O2 GAUGE INDICATED ZERO. SUPPLY AT MASK NIL. ACCOMPLISHED POM PROCEDURE. REPLACED BOTTLE AND FOUND OBS MASK LEAKING. REPLACED MASK, SYS LEAK CHECKS OK.Apr 7, 1999 · N303DL · Boeing 737232SDR AT9900297Mask · damagedCAPTAIN'S PORTABLE OXYGEN FULL FACE MASK LENS SEPARATED FROM RUBBER. REMOVED AND REPLACED MASK IAW MM 25-00.Apr 2, 1999 · N849AT · Doug DC932SDR 99ZZZX1636Line · chafedOXYGEN AND CAPILLARY LINE CHAFE ON RAM AIR DUCT. THIS MAY NOT BE FOUND UNTIL OXYGEN SYSTEM IS TURNED ON. THIS CHAFING OCCURS JUST FORWARD OF THE AVIONICS BULKHEAD COMPARTMENT.Mar 29, 1999 · N37448 · Cessna 414ASDR SCNA99054Door · out of adjustDURING A SCHEDULED MAINTENANCE CHECK, THE O2 MASK DOOR FAILED TO OPEN AT THE FLIGHT ATTEDNANT L1 POSITION. FOUND THE DOOR BINDING IN OPENING. ADJUSTED DOOR AND OPERATIONALLY CHECKS GOOD.Mar 25, 1999 · N152SY · Doug DC1015SDR DHL99806001Regulator · failedALL OXYGEN QUANTITY IND WENT TO ZERO IN FLIGHT. PRESSURE INDICATION AT S/O STATION READ ZERO, BOTTLE PRESSURE READ NORMAL. CHECKED BOTTLE VALVE OPEN. REPLACED OXYGEN BOTTLE REGULATOR, OPS CHECKED NORMAL PER MM 35-10-3.Mar 12, 1999 · N806DH · Doug DC873FSDR 99ZZZX1379Line · corrodedWHILE PERFORMING RAYTHEON SB 35-3034 REPLACEMENT OF OXYGEN FITTINGS, FOUND OXYGEN LINE, PN 25SF1637-9, LOCATED AT FRAME 7 CORRODED ABOVE SLEEVE AT T-FITTING END. CAUSE OF CORROSION BELIEVED TO BE INSULATING BLANKET MADE FROM ULTRASUEDE LYING AGAINST THE LINE Mar 10, 1999 · N290EC · Braero BAE125800ASDR MALA976369Valve · faultyTHE O2 BOTTLE LEAKED TO 0 PSI DURING FLIGHT. MAINTENANCE REPLACED ALL THREE O2 BOTTLES AND OXYGEN TOGGLE SHUT OFF VALVE. OPS CHECK GOOD.Mar 7, 1999 · N27XJ · Saab SF340ASDR 99UAL900132Regulator · leakingFLIGHT DIVERTED TO DEN WHEN SUPPLEMENTAL OXYGEN WAS LOST. WHILE SEARCHING FOR O2 LEAK FOUND CREW O2 REGULATOR TRANSMITTER ASSY LEAKING MASSIVLY. LEAK IS AT THE BACK OF THE TRANSMITTER HOUSING. REPLACED REGULATOR ASSY. LEAK CHECKED REGULATOR. NO LEAKS NOTEFeb 25, 1999 · N411UA · Airbus A320232SDR DL72S990378B-Nut · looseCREW 02 WENT TO ZERO IN FLIGHT. TIGHTENED LOOSE B-NUT ON REGULATOR 3RD OFFICERS POSITION AND REPLACED O2 BOTTLE, LEAK CHECKS OK.Feb 24, 1999 · N8889Z · Boeing 727225ASDR DL76L990238Mask · dirtyCAPTS O2 MASK VALVE STICKS. HARD TO EXHALE, NEEDED CLEANING. REPLACED O2 MASK.Feb 4, 1999 · N174DN · Boeing 767332SDR 99ZZZX786Tube · damagedREMOVED TUBE ASSEMBLY TO FACILITATE OTHER MAINTENANCE. FOUND DOUBLE FLARE TOO LARGE FOR B-NUT TO SLIDE OVER FLARE. B-NUT WOULD THREAD ON FLARE AND TIGHTEN LEADING INSTALLER TO BELIEVE FLARE WAS TIGHT AGAINST FITTING WHEN IT WAS NOT. THIS PART WAS INSTALLED Feb 2, 1999 · N1084W · Beech B300SDR 99UAL900066Mask · leakingDIVERTED TO ORD DUE TO DECREASING CREW OXYGEN PRESSURE. *S/D* THE HOSE TO THE OBSERVER OXYGEN MASK BOX WAS REPLACED BECAUSE IT WAS FOUND LEAKING.Jan 30, 1999 · N513UA · Boeing 757222SDR UPS99428338Oxy Bottles · failedINSPECTION TYPE-N/A, CREW OXYGEN DROPPED FROM 1200 PSI AT PREFLIGHT TO 500 PSI AT TOP OF CLIMB. REMOVED AND REPLACED LOWER AND UPPER 02 BOTTLES, LEAK CHECKED GOOD. AIR TURNBACK.Jan 12, 1999 · N675UP · Boeing 747123SDR CA981214013Line · punctured(CAN) 2ND OFFICERS DILUTER DEMAND SUPPLY HOSE HAS A SMALL HOLE. REPLACED.Nov 27, 1998 · Boeing 727221SDR CA981214012Regulator · leaking(CAN) 1ST OBSERVERS DILUTER DEMAND REGULATOR EMERGENCY SUPPLY NOT FULLY CLOSING. REPLACED.Nov 19, 1998 · Boeing 727221SDR CA981214011Compensator · leaking(CAN) OXYGEN LEAK AT CONNECTIONS TO CREW OXYGEN SHUTOFF VALVE AND AT CONNECTORS TO THERMAL COMPENSATOR AND REGULATOR. VALVE REPLACED.Nov 11, 1998 · Boeing 727221SDR 98ZZZX4770Oxygen Bottle · failedOXYGEN BOTTLE WAS RECEIVED FROM VENDOR FULLY SERVICED AND WAS INSTALLED ON AIRCRAFT WITHOUT CONNECTING THE SUPPLY LINES. OXYGEN BOTTLE SITTING STATICALLY, THE MALE CONNECTION FITTING SEPARATED INTERNALLY CAUSING EXPLOSION LIKE SOUND AND DISSIPATING ALL OF THEOct 30, 1998 · N177RA · Dhav DHC7102SDR HEEA0016269Oxy Converter · malfunctionedOXYGEN CONVERTER VENTS CONTINUOUSLY PRESSURE CLOSING, VALVE NOT SETTING.Oct 22, 1998 · N3122H · Skrsky S76ASDR VJ9800522Mask · brokenFIRST OFFICER'S OXYGEN MASK BROKEN. REPLACED FO OXYGEN MASK; OPS CHECKED GOOD IAW MM 35-10.Oct 8, 1998 · N931VV · Doug DC932SDR DLM88981836Regulators · leakingCREW OXYGEN WENT TO ZERO IN FLIGHT. REPLACED CAPT AND OBSV O2 REG BOXES FOR LEAKING REGULATOR.Sep 4, 1998 · N927DA · Doug MD88SDR EIAA980240Oxygen System · lowHNL - AT FL 310, THE CREW OXYGEN SUPPLY DROPPED TO '0' PSI. RETURNED TO PHNL. DUMPED 10,000 LBLS FUEL, LANDING UNEVENTFUL. (M)Aug 28, 1998 · N485EV · Boeing 747212BSDR TWAA9813602Regulator · leakingCREW OXYGEN PRESSURE WENT TO ZERO, NOTICED AT TOP OF CLIMB. RETURNED TO JFK. FOUND CAPT OXY REGULATOR FAULTY. REPLACED REGULATOR AND OXY BOTTLE. CHECK-C 7-9-98 LAX.Aug 24, 1998 · N601TW · Boeing 767231SDR DL72S981606Oxygen Bottle · emptyCREW OXYGEN READS ZERO, SUSPECT REGULATOR AT JUMPSEAT STUCK IN EMERGENCY POSITION. FREED JUMPSEAT 02 SWITCH, REPLACED CREW O2 BOTTLE LEAK AND OPS CKS OK.Aug 5, 1998 · N497DA · Boeing 727232SDR DLL14981585Oxygen Bottle · leakingCOCKPIT OXYGEN BOTTLE PRESSURE READS ZERO PSI. REPLACED OXYGEN BOTTLE. LEAK CHECKED AT BOTTLE CONNECTIONS AND AT MASK, ALL OK.Jul 31, 1998 · N737D · Lkheed 1011385115SDR 98UAL900352Fitting · brokenCREW REPORTED SMALL POPPING SOUND FOLLOWED BY A LOSS OF CREW OXYGEN. *S/D* BULKHEAD FITTING ON HOSE FROM O2 REGULATOR TO BULKHEAD WAS FOUND BROKEN. HOSE WAS REPLACED AND SYSTEM PRESSURE CHECKED.Jul 24, 1998 · N7277U · Boeing 727222SDR AALA981378Adapter · looseLHR - FLT 0095 - EN ROUTE DURING CRUISE, THE CREW OXYGEN DROPPED FROM 1100 PSI TO 960 PSI. DIVERTED TO LHR AND LANDED WITHOUT INCIDENT. TROUBLESHOT SYSTEM AND FOUND SEEPAGE FROM MAIN OXYGEN CONNECTOR. REPLACED OXYGEN BOTTLE AND RETORQUED ADAPTER. ACCOMPLISJul 13, 1998 · N355AA · Boeing 767323SDR 99ZZZM430Fitting · leakingCOCKPIT OXYGEN SYSTEM HAS A LEAK. FAILED LEAK CHECK. REMOVED AND REPLACED 'T' FITTING BETWEEN SUPPLY GAUGE AND PRESSURE REDUCING VALVE UNDER RIGHT SIDE PANEL. COMPLIED WITH LEAK CHECK. ALL IAW MM. (M)Jun 5, 1998 · N612AW · Bag BAE146300ASDR HEEA0014551Indicator · erraticLOX INDICATOR VERY ERRATIC.Jun 4, 1998 · N706AE · Skrsky S76ASDR 98ZZZX2469Bottle Bracket · crackedDURING ROUTINE INSPECTION, THE OXYGEN BOTTLE SADDLE BRACKETS WERE FOUND CRACKED. THE LEFT BRACKET WAS CRACKED INTO TWO PIECES. THE RIGHT CRACKED ON ONE SIDE. THE AIRCRAFT HAS NO HISTORY OF A HARD LANDING.Jun 4, 1998 · N1203S · Cessna 208BSDR K3HA980078Oxygen Mask · misinstalledFLIGHT ENGINEER'S OXYGEN MASK INCORRECT FOR COMPATABILITY WITH SMOKE GOGGLES. REMOVED AND REPLACED FLIGHT ENGINEER'S OXYGEN MASK PER MM 35-11-0, TO MAKE COMPATIBLE WITH GOGGLES.May 21, 1998 · N8881Z · Boeing 727225SDR DLM11981027Oxygen Line · leakingIN CRUISE, FOUND CREW 02 BOTTLE EMPTY. FOUND FLEX LINE TO OBSERVER 02 REGULATOR LEAKING BADLY. REPLACED LINE AND REPLACED 02 BOTTLE. LEAK CK GOOD.May 13, 1998 · N806DE · Doug MD11SDR 9806989976Oxygen Panel · overheatedDURING CLIMBOUT AT 12,000 FEET, A LOUD POP WAS HEARD FOLLOWED BY SMOKE COMING FROM OVERHEAD OF COCKPIT JUMPSEAT AT OXYGEN CONTROL PANEL. FLIGHT CREW DECLARED AN EMERGENCY AND THE AIRCRAFT WAS RETURNED TO DLH. LANDING WAS UNEVENTFUL. MAINTENANCE FOUND OBSERVApr 20, 1998 · N9340 · Doug DC931SDR CA971216018Fitting · cracked(CAN) SECOND OBSERVER OXYGEN CONTROL PANEL FITTING CRACKED. PANEL REPLACED.Mar 17, 1998 · Boeing 737217SDR DLM88980473Oxy Mask · failedFIRST OFFICER'S O2 MASK HARNESS FAILED WHILE ATTEMPED TO USE IN FLT. REPLACED FIRST OFFICERS MASK ASSEMBLY.Feb 24, 1998 · N999DN · Doug MD88SDR TWRA9801Oxy Regulator · leakingAIRCRAFT AIR TURN BACK DUE TO DEPLETED CREW OXYGEN DOWN TO ZERO. FOUND LEAK AT CREW STATION REGULATOR, REPAIRED, REPLACED OXYGEN BOTTLE. LEAK CHECK GOOD. (X)Jan 12, 1998 · N608FF · Boeing 747131SDR K3HA9700141Oxygen Mask · failedJUMP SEAT CREW OXYGEN MASK WILL NOT WORK PROPERLY. REMOVED AND REPLACED JUMP SEAT CREW OXYGEN MASK. OPS CHECK GOOD MM 35-21-41.Dec 21, 1997 · N8880Z · Boeing 727225SDR 98ZZZX2729Valve · leakingATW - OXYGEN BOX 13 RT LEAKING OUT OF MASK WITH VALVE SHUT OFF (CLIP IN). REMOVED AND REPLACED 13RT VALVE ASSY. OPS CHECKS, LEAK CHECKS, AND FLOW CHECKS OK.Dec 21, 1997 · N156TR · Bag BAE146200ASDR UPS97425350Oxy Regulator · malfunctionedCANNOT STOP FLOW OF O2 ON S/O ON REG AT 100 PERCENT EMERG IAW AOM CHECK PROCEDURES. REMOVED AND REPLACED O2 REGULATOR P/N ON/OFF 28000-1 S/N ON 7879 OFF 8278.Dec 18, 1997 · N681UP · Boeing 747121SDR DHL97727006Oxy Bottle · leakingIN FLIGHT DURING SYSTEM CHECKS, CREW OXYGEN GAUGE READING 200 LBS. FOUND BOTTLE EMPTY, SERVICED O2 BOTTLE. FOUND LEAK, REMOVED AND REPLACED BOTTLE IAW 12-15-11, LEAKS CHECK GOOD.Dec 16, 1997 · N727DH · Boeing 727228SDR 97UAL900882Oxy Regulator · defectiveCREW OXYGEN BOTTLE INDICATION ZERO. DIVERTED TO MSP. *S/D* REPLACED FAULTY REGULATOR AND CHECKED OPERATION.Dec 16, 1997 · N7256U · Boeing 727222SDR VJ970359Oxygen Mask · inoperativeFIRST OFFICER'S OXYGEN MASK VENTILATION VALVE INOPERATIVE. REPLACED FO'S OXYGEN MASK; OPS CHECKED GOOD IAW MM 35-10.Dec 12, 1997 · N935VV · Doug DC932SDR 98ZZZX13Tube Assy · leakOXYGEN SYSTEM LEAK. INSPECTION FOUND B-NUT CRACKED AT AFT BULKHEAD ATTACHMENT (3 PLACES). FURTHER INSPECTION REVEALED B-NUT AT T-FITTING ATTACHMENT CRACKED IN 2 PLACES.Dec 3, 1997 · N63791 · Beech B200SDR K3HA9700112Mask Holder · missingFAA PICK UP FOWARD OBSERVER OXYGEN MASK HANGER MISSING. REPLACED MASK HOLDER.Nov 18, 1997 · N360PA · Boeing 727230SDR GLBA97173Handle · lack of lubeDEN - OXYGEN PULL HANDLE HARD TO PULL. DISASSEMBLED HANDLE CLEANED, INSPECTED AND REASSEMBLED. (M)Nov 12, 1997 · N170GL · Beech 1900D
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