JASC 3520

Service difficulty reports · 2,734

Reports filed under 3520 · Passenger 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 = '3520'
  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 SCNA05021Oxygen Mask · deployedCREW REPORTED RIGHT AFT LAVATORY OXYGEN MASK DROPPED. MAINTENANCE RESET OXYGEN MASK DOOR LATCH AND OPERATIONALLY CHECKS GOOD.Dec 30, 2005 · N806SY · Boeing 7378Q8SDR SB05170Oxygen Mask · failedBNA FLT 53, EN ROUTE CLT TO MCI. DURING EMERGENCY DESCENT, MASKS DEPLOYED EXCEPT ROW 20. MAINTENANCE, REPLACED OXYGEN GENERATORS, REPACKED MASKS. FOUND MASK LANYARD CAUGHT AROUND DOOR LATCH ROW 20. REPOSITIONED, OPS GOOD.Nov 23, 2005 · N512AU · Boeing 7373B7SDR SB05169Oxygen Mask · failedCLT FLT 1058 DURING EMERGENCY DESCENT, CREW REPORTED THE OXYGEN MASKS AT SEAT 1DF, 3DF AND AT THE AFT LEFT LAV FLIGHT ATTENDANT STATION DID NOT DEPLOY. MAINTENANCE, DROPPED OXYGEN MASK DOORS, THAT DID NOT DEPLOY, REPLACED ALL AFFECTED OXYGEN GENERATORS AND RENov 22, 2005 · N512AU · Boeing 7373B7SDR CALA0500368Latch · inoperativeFOUND SEAT 38C PAX OXYGEN MODULE DOOR INOP. REPLACE LATCH PER AMM 35-21-00.Oct 16, 2005 · N66051 · Boeing 767424ERSDR CA050920002Oxygen System · failed(CAN) DURING SCHEDULED MM DEPLOYMENT OF THE PASSENGER OXYGEN MASKS WAS ATTEMPTED. THE CONTROLLER WAS SWITCHED TO THE OVERRIDE POSITION BUT ALL OF THE PASSENGER OXYGEN MASKS FAILED TO DEPLOY. UPON FURTHER INVESTIGATION IT WAS DISCOVERED THAT THERE WAS INSUFICIESep 20, 2005 · Cndair CL604SDR SWIA200515570Oxygen Mask · deployedO2 MASKS DROPPED (UNCOMMANDED). RESTOWED ALL O2 MASKS. NO DEFECTS NOTED OF PAX O2 SYSTEM. OPERATIONAL CHECK SYSTEM PER CRJ MM 35-20-00.Sep 18, 2005 · N413SW · Cndair CL6002B19SDR SWIA200515565Oxygen Mask · deployedPASSENGER O2 MASKS DEPLOYED WHILE SETTING FIELD ELEVATION FROM 3860' TO 4220'. REINSTALLED MASKS AND ALL DOORS RESET PER MM 35-20-00.Sep 18, 2005 · N597SW · Cndair CL6002B19SDR AT0500027Oxygen Mask · deployedAFT LEFT LAV O2 MASK DEPLOYED IN FLIGHT. RESTOWED AFT LAV O2 MASKS REF 35-22.Aug 8, 2005 · N173AT · Boeing 73776NSDR AALA20050456Oxygen Mask · inoperativeJFK OXYGEN MASKS AT SEATS 11FG INOPERATIVE. SECURED OXYGEN MASK PANEL AT SEATS 11FG. SYSTEM GROUND CHECKED NORMAL OPERATION. (CLOSED)Jul 20, 2005 · N7082A · Airbus A300B4605RSDR AT0500022Relay · malfunctionedPAX O2 ALT REL C/B NR L33 POPPED AFTER 1 RESET. REMOVED AND REPLACED RELAY R2-5152 AND C/B B1-870. PERFORMED O2 MASK DROP CHECK PER M/M 35-23, OPS CHECK GOOD.Jul 10, 2005 · N994AT · Boeing 717200SDR CIEA200500007Oxygen Mask · mismanufacturedDURING THE CLIMB THE CABIN LOST PRESSURIZATION. (NOTE: SEE SEPARATE SDR ON THE PRESSURIZATION ISSUE). AS A RESULT OF THE PRESSURIZATION LOSS THE OXYGEN MASKS DROPPED. ONE OF THE PASSENGERS HAD AN ALLERGIC REACTION SIMILAR TO A LATEX ALLERGIC REACTION. IF THJun 28, 2005 · N203LG · Beech B200SDR CA050624004Valve · misinstalled(CAN) PASSENGER OXYGEN MASKS DEPLOYED WHEN THE " PULL ON SYS READY" CONTROL KNOB WAS PULLED. MASKS SHOULD ONLY DEPLOY WHEN BAROMETRIC PRESSURE SWITCH IS TRIPPED OR THE PASSENGER MANUAL OVERRIDE CNTRL KNOB IS PULLED. " PULL ON SYS READY" IS USED TO ARM SYS. Jun 18, 2005 · Beech 200BEECHSDR 2005FA0000848Control Cable · brokenPERFORMING A PHASE 1 INSPECTION, IT IS REQUIRED TO PERFORM A FUNCTIONAL CHECK OF THE PASSENGER OXYGEN SYSTEM. THE TEE HANDLE CONTROL WAS PULLED TO MANUALLY DEPLOY AND FLOW THE PASSENGER OXYGEN MASKS. THE MASKS DID NOT DEPLOY AND THERE WAS NO OXYGEN FLOW. FUJun 7, 2005 · N6117C · Beech B300SDR 2005FA0000622Bushing · missingINVESTIGATED PASSENGER OXYGEN SYSTEM MASKS DEPLOYING WHEN SYSTEM ARMED. FOUND MANUAL CONTROL CABLE BUSHING MISSING AND PREVENTING MANUAL CONTROL CABLE FROM OPERATING VALVE THROUGH FULL TRAVEL. ALSO, FOUND WIRING TO PASSENGER OXYGEN SHUTOFF VALVE AND BAROMETRApr 20, 2005 · N189JR · Beech F90SDR AWXA200500480Line · brokenMCN - MAJOR REPAIR - DURING C-19 CHECK, FOUND THE OXYGEN GENERATOR HOSE ASSEMBLY BROKEN AT SEAT ROW 12 RT. MAINTENANCE REMOVED AND REPLACED OXYGEN GENERATOR HOSE ASSEMBLY AT SEAT ROW 12 RT IAW BMM 35-22-31.Apr 6, 2005 · N325AW · Boeing 737301SDR AWXA200500479Line · brokenMCN - MAJOR REPAIR - DURING C-19 CHECK FOUND THE OXYGEN GENERATOR HOSE ASSEMBLY BROKEN AT SEAT ROW 6 RT. MAINTENANCE REMOVED AND REPLACED OXYGEN GENERATOR HOSE ASSEMBLY AT SEAT ROW 6 R/H IAW BMM 35-22-31.Apr 5, 2005 · N325AW · Boeing 737301SDR SWIA200514811Oxygen Mask · deployedAFTER OPENING MAIN CABIN DOOR, ALL O2 MASKS DEPLOYED. RE-PACKED PASSENGER O2 MASKS IAW AMM 35-21-09.Mar 29, 2005 · N445SW · Cndair CL6002B19SDR SWIA200514802Oxygen Mask · unwanted deployINFLIGHT, ROW 12CD PAX O2 MASKS DROPPED. REINSTALLED O2 MASKS AT ROW 12CD IAW 35-10-00 CRJ AMM.Mar 28, 2005 · N929SW · Cndair CL6002B19SDR AU510001506Pin · missingPASSENGER OXYGEN GENERATOR BAND CLAMP PIN LOCKS MISSING.Mar 6, 2005 · Boeing 767300SDR SWIA200514652Oxygen Mask · deployedWHILE AT GATE CABIN O2 MASK DEPLOYED. RESTOWED ALL PAX O2 MASK, IAW MM 35-21-09. OPERATIONAL CHECKED GOOD.Feb 28, 2005 · N924SW · Cndair CL6002B19SDR AALA20050114Relay · failedLAX - PASSENGER OXYGEN SYSTEM FAILED DROP TEST. REPLACED TIME DELAY RELAY K466 FOR PASSENGER OXYGEN SYSTEM. SYSTEM GROUND CHECKED NORMAL OPERATION.Feb 10, 2005 · N397AN · Boeing 767323SDR AT0500008Oxygen Mask · deployedPAX AND F/A O2 MASKS DROPPED DURING CLIMB. RESTORED O2 MASKS PER AMM 35-22-31.Feb 7, 2005 · N176AT · Boeing 73776NSDR AT0500007Oxygen Mask · deployedSEAT 1 ABC AND 28 ABC O2 MASKS DROPPED ON CLIMBOUT. PRSSURIZATION REMAINS NORMAL, O2 GENERATORS DID NOT FIRE. BOTH SEAT ROWS ARE BLOCKED AND NOT USABLE. PERFORMED A MANUAL DROP OF ALL PAX O2 MASKS AND OPS CHECKED NORMAL. T/S PSU WIRING TO PSU SWITCH MODULEFeb 6, 2005 · N176AT · Boeing 73776NSDR AT0500006Oxygen Mask · deployedVARIOUS O2 MASKS DROPPED, GENERATORS WERE NOT ACTIVIATED CABIN ALTITUDE STEADY AT 7000 FT. RESTOWED ALL O2 MASKS, VERIFIED O2 GEN NOT DISCHARGED AS PER MM 35-22-31.Feb 4, 2005 · N176AT · Boeing 73776NSDR SWIA200514434Oxygen Mask · deployedTHE O2 MASKS FELL, ROWS 8A & B. SECURED O2 MASKS AT 8A & B.Jan 23, 2005 · N439SW · Cndair CL6002B19SDR SWIA200514377Door · blockedPAX O2 MASKS DROPPED DURING DEPRESSURIZATION. MASKS IN ROW 3 DID NOT DROP. CREW MASKS WERE DEPLOYED. CLEANED THE USED MASKS AND RE-PACKED AND STOWED. ROW 3 PAX O3 MASK DOOR INTERFERES WITH ADJACENT ACCESS PANEL. TRIMMED EDGE OF ACCESS PANEL AS NEEDED TO PJan 15, 2005 · N301YV · Emb EMB120ERSDR COMA0570001Oxygen Bottle · dischargedFLIGHT 5113, BOTH CABIN 02 BOTTLES ARE DEPLETED. SERVICED 02 BOTTLES.Dec 21, 2004 · N655CA · Cndair CL6002C10SDR UPS04543595Oxygen Mask · inoperativePILOT REPORT - FIRST OFFICERS 02 MASK INOP. REPLACED FIRST OFFICERS 02 BOX AND MASK WITH FIRST OBSERVERS 02 BOX AND MASK ASSY IAW MM REF 35-11-51-4. FIRST OFFICERS 02 MASK, NOW OK FOR SERVICE.Dec 8, 2004 · N414UP · Boeing 75724APFSDR A6WA200460052Oxygen Mask · misinstalledDURING INSPECTION, ALL PASSENGER O2 DROP DOWN MASKS WERE FOUND STOWED INCORRECTLY. MAINTENANCE RESTOWED ALL PASSENGER O2 DROP DOWN MASKS, CORRECTLY IAW AMM 35-20-45.Nov 11, 2004 · N616AW · Bac 146300ASDR 2004UALA01044Oxygen Gen · activatedPSU LT NR 10 OXYGEN GENERATOR HEAT SENSITIVE BAND IS BLACK. RELEASE PIN INADVERTENTLY PULLED. REPLACED AND INSTALLED NEW OXYGEN GENERATOR.Nov 11, 2004 · N903UA · Boeing 737522SDR A6WA200460054Oxygen Mask · missingROWS 14 AND 16 DEF HAVE NR O2 MASKS INSTALLED IN PSU BOXES. MAINTENANCE INSTALLED PASSENGER ALL O2 MASKS AS REQUIRED IAW 35-20-45.Nov 10, 2004 · N612AW · Bag BAE146300ASDR DLM88040845Generator · dischargedWHILE CLOSING PSU AT SEAT 11ABC THE O2 GENERATOR FIRED INADVERTENTLY. REPLACED GENERATOR.Sep 5, 2004 · N911DL · Doug MD88SDR A6WA200460026Bottle · dischargedFOUND FORWARD CABIN BULKHEAD PASSENGER OXYGEN BOTTLE EMPTY. REMOVED AND REPLACED BOTTLE. (M)Jul 27, 2004 · N608AW · Bac 146200ASDR 62912Oxygen Mask · deployedPAX O2 MASKS DEPLOYING UPON AIRCRAFT CLIMB. FLIGHT CREW UNAWARE IF MASK DEPLOYMENT UNTIL LANDING IN ABQ. RESECURED PAX O2 MASKJul 8, 2004 · N127ZV · Beech 1900DSDR MALA040458Latch · damagedDURING FLIGHT SEAT 14A & 14B ARE INOP, O2 MASKS OVER SEATS 14 A/B DEPLOYED. VERIFIED O2 GENERATOR NOT DEPLOYED. REPACKED AND RESET MASKS AND DOOR WON'T STAY SET, DEFERRED SEATS 14 A/B PER MEL 25-00-2-1 ENTERED INTO DMR. MXC NOTIFIED, SECURED DOOR WITH TAPE.Jun 6, 2004 · N531XJ · Bac AVRO146RJ85ASDR AUS20040495Oxygen Mask · misinstalled(AUS) PASSENGER OXYGEN MASKS INCORRECTLY PACKED INTO PASSENGER SERVICE UNITS (PSU). OXYGEN MASK HOSES CAUGHT BETWEEN DOOR AND MASK HOUSING CAUSING HOSES TO BECOME KINKED AND THE DOORS TO BULGE WHEN CLOSED. UNITS AFFECTED WERE LOCATED AT 39DEF , 37DEF,5JK, 1EFJun 4, 2004 · Boeing 767338SDR MALA040350Switch · failedRIGHT SIDE O2 MASKS DROPPED DOWN DURING TAXI OUT OF LEX. MAINTENANCE REPLACED WFI AND PAX DROP SWITCH WF11, REPLACED ROW 10 AND ROW 13 RIGHT GENERATORS.Apr 25, 2004 · N525XJ · Bac AVRO146RJ85ASDR MALA040347Switch · failedALL PASSENGER 02 MASKS DEPLOYED WHILE PARKED AT THE GATE. MAINTENANCE REPLACED ANEROID SWITCH.Apr 22, 2004 · N522XJ · Bac AVRO146RJ85ASDR MALA040340Oxygen Mask · deployedOXYGEN MASK DEPLOYED IN FLIGHT. OXYGEN AND PRESSURIZATION ALL NORMAL. MAINTENANCE STOWED PAX 02 MASKS IAW JOB CARD 0501.Apr 21, 2004 · N525XJ · Bac AVRO146RJ85ASDR AUS20040303Pbe · faulty(AUS) PASSENGER BREATHING EQUIPMENT (PBE) UNITS FAULTY. PBE STORAGE BAGS HAD LOST VACUUM AND ITEMS WERE CHAFED IN CONTAINMENT BOX.Apr 15, 2004 · Emb EMB120SDR DL733040311Psu · inoperativePAX SEAT 19DEF 02 MASKS DID NOT DEPLOY WHEN SWITCH IN COCKPIT PUSHED. REPLACED PSU.Apr 5, 2004 · N309WA · Boeing 737347SDR MASA200400164Bottle · overservicedAFT CABIN PORTABLE O2 BOTTLE OVERPRESSURIZED (GAUGE NEEDLE IN RED). MX INSPECTED BOTTLE AND FOUND TO BE WITHIN LIMITS FOR DISPATCH. NO PARTS USED.Mar 25, 2004 · N832MJ · Emb EMB145LRSDR COMA0460217Oxygen Mask · activatedFLIGHT 5118 02 MASK AT ROW 9 DROPPED DURING T/O. RESTOWED 02 MASKS AT ROW 9.Mar 20, 2004 · N960CA · Cndair CL6002B19SDR 2004FA0000318Oxygen System · failedDURING A 12 MONTH OXYGEN SYS OPERATIONAL TEST, FOUND NO OXYGEN FLOW TO LT SIDE CABIN MASKS (6 EA) LOCATED IN LT CABIN OVERHEAD PASSENGER SERVICE UNIT. (PSU) 6 MASKS SUPPLY EMERGENCY OXYGEN FOR 4 LT CABIN SEATS. THERE WAS SUFFICIENT PRESSURE IN THE SYSTEM FOR Mar 16, 2004 · N316FX · Cndair CL6002B16SDR MALA040204Switch · contaminatedAFTER LANDING WHILE TAXIING TO GATE ALL PAX O2 MASKS IN CABIN DEPLOYED. INSPECTED NOTED LT FLT DECK PAX O2 OVERRIDE SWITCH CONTAMINATED WITH MOISTURE AND SHORTED OUT SWITCH. REPLACED SWITCH P/N S2802-002. ALSO NOTED 11AB, 13AB CHEMICAL O2 GENS ACTIVATED. RFeb 23, 2004 · N535XJ · Bac AVRO146RJ85ASDR MALA040172Switch · failedDURING FLIGHT 3667/3409 WHILE DESCENDING FROM 11,000 FT TO 10,000 FT ALL 02 MASKS DROPPED OUT, PRESSURIZATION WAS WORKING NORMAL INDICATING A LANDING OF ABOUT 1,400 FT. OVERRIDE SWITCHES WERE NOT ACTIVATED, NO CABIN HI ALT ANNUNCIATOR WAS INDICATED. MAINTENFeb 5, 2004 · N522XJ · Bac AVRO146RJ85ASDR C1HA200474001Oxygen Mask · will not testTRANSFERRED FROM NR M12 ALL CABIN O2 MASKS FAILED DROP TEST (FAA CONE), DEPLOYED ALL PAX & F/A O2 MASKS. CLEANED ALL MASK ASSY IAW MM 35-21-49, RESTOWED ALL O2 MASKS IAW MM 35-21-51. PERFORMED INSPECTION CHECK IAW MM 35-21-44. PERFORMED TEST IAW MM 35-21-00Jan 12, 2004 · N674MG · Boeing 727225SDR F3LA200300185Oxygen Bottle · dischargedDURING C-7 CHECK, INSPECTION REPORTED SEAT 7 ABC OXYGEN CANISTER DISCHARGED. REPLACED OXYGEN GENERATOR CANISTER PER MM 35-22-11, PAGE 201, STEPS 1-3 AND MM 35-22-11, PAGE 401, STEPS 1-3.Dec 19, 2003 · N306FL · Boeing 73736NSDR SWAA032601Mask · tornDURING SCHEDULED RON CHECK, (DUE TO SWA SDR SWAA03-2584) FOUND PAX O2 SYS MASKS TORN AT PSU'S 12 DEF, 19 ABC, 20 ABC, 23 ABC AND 9 DEF. REMOVED AND REPLACED O2 MASKS PER MM.Nov 22, 2003 · N765SW · Boeing 7377H4SDR SWAA032600Ball · looseDURING SCHEDULED RON CHECK, (DUE TO SWA SDR SWAA03-2584) FOUND PAX O2 SYS SWEDGED BALLS PULLED AT PSU'S 13 ABC AND 10 DEF. REATTACHED BALLS PER MM.Nov 22, 2003 · N765SW · Boeing 7377H4
Back to JASC 3520