JASC 3520

Service difficulty reports · 2,733

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 DALA2025032402164Door · damagedSHIP 3321 LAV 207 02 MASK DOOR DAMAGED/ WILL NOT STAY CLOSED, CORRECTIVE ACTION: REPACKED 02 MASK AFT LT LAV CKS OK PER A330 AMM 35-21. (7167976)Mar 23, 2025 · N821NW · Airbus A330323SDR DALA2025032402163Latch · brokenSHIP 3401 OXYGEN PANEL LATCH BROKEN / LOCATION:100. CORRECTIVE ACTION: OXY PANEL MECHANISM ADJUSTED. ALL MASK SECURED. PANEL CLOSED. OK FOR SERVICE. (0870681)Mar 22, 2025 · N401DZ · Airbus A330941SDR DALA2025032102138Oxygen Mask · dislodgedSHIP 3302 LAV 1L PSU NEEDS TO BE RE-STOWED. CORRECTIVE ACTION: RE-PACKED PER A330 AMM 35-23. OK FOR SERVICE. (6451153)Mar 21, 2025 · N802NW · Airbus A330323SDR DALA2025032102136Oxygen Mask · dislodgedSHIP 3310 F/A O2 MASK FWD GALLEY FELL OUT ON LANDING. CORRECTIVE ACTION: REPACKED MASKS PER A330 AMM 35-23. OK FOR SERVICE. (7128630)Mar 20, 2025 · N810NW · Airbus A330323SDR CALA2025032000491Initiator · expiredFOUND THE FOLLOWING PAX OXYGEN CYLINDER INITIATORS EXPIRED. ALL PAX OXYGEN CYLINDER INITIATORS FOR ALL PAX OXY CYLINDERS FOUND SATISFACTORY IAW AMM 35-21-00. REPLACED FOUND SATISFACTORY IAW CMM 35-22-29 ALL SERVICE LIFE ALL PAX PSU RESTORED TO NORMAL. PERFOMar 18, 2025 · N45956 · Boeing 7879SDR CALA2025032000490Oxygen Bottle · rupturedFOUND FOLLOWING PAX OXYGEN CYLINDER INDICATORS (RUPTURE) IN UNSATISFACTORY CONDITION. ALL PAX OXYGEN CYLINDERS REMOVED FOUND CYLINDERS RUPTURE INDICATORS REPLACED FOUND SATISFACTORY HGR. REF TO NRC ELE0015/39557701 FOR DETAILS. SATISFACTORY IAW AMM 35-21-00.Mar 18, 2025 · N45956 · Boeing 7879SDR DALA2025033002340Oxygen Mask · dislodgedSHIP 3147 DISC: 16 DEF MASKS FELL. C/A: FWD TO MEL 35-21-01A. "M" PROCEDURES C/W. MCC NOTIFIED. REPLACED 02 MASKS A319 AMM 35-21. MEL/PLAC REMOVED "M" PROC REVERSED. (LP: 6409540)Mar 15, 2025 · N347NB · Airbus A319114SDR DALA2025031501999Oxygen Mask · unwanted deploySHIP 3230 DISC: O2 MASK ABOVE 23 E FELL DOWN CABIN PRESSURE OK. C/A: REPACKED O2 MASKS AT SEATS 23DEF REF A320 AMM 35-21. OPS CHECK NML. NO 60 DAY HISTORY. MEL/PLAC RMVD. (M) PROCEDURES RVSD. A/C OK FOR SVC. (LP: 6367988)Mar 14, 2025 · N330NW · Airbus A320211SDR DALA2025031501998Oxygen Mask · unwanted deploySHIP 3225 DISC: O2 MASK FELL DOWN AFT GALLEY. C/A: INSPECTED O2 MASK AND RESTOWED IAW A320 AMM 35-21. A/C OK FOR SERVICE. (LP: 7206900)Mar 14, 2025 · N325US · Airbus A320211SDR DALA2025031501997Oxygen Box · openSHIP 3240 DISC: AFT RT LAVATORY O2 MASK COMPARTMENT OPEN. C/A: RESTOWED AFT RIGHT LAV OXYGEN MASK. OK FOR SVC. WORK REF A320 AMM 35-20. (LP: 6694600)Mar 13, 2025 · N340NW · Airbus A320212SDR DALA2025031101862Oxygen Mask · unwanted deploySHIP 3323 OXYGEN MASK AT 1L DOOR DEPLOYED ON LANDING. CORRECTIVE ACTION: RE-PACKED MASK PER A330 AMM 35-23. OK FOR SERVICE. (6677130)Mar 11, 2025 · N823NW · Airbus A330302SDR DALA2025031101863Oxygen Mask · unwanted deploySHIP 3325 OXYGEN PANEL MASK DEPLOYED LAV 204. CORRECTIVE ACTION: RE-PACKED MASKS PER A330 AMM 35-23. OK FOR SERVICE. (0849184)Mar 9, 2025 · N825NW · Airbus A330302SDR DALA2025031101897Oxygen Mask · unwanted deploySHIP 3146 DISC: OXYGEN PANEL MASK DEPLOYED / LOCATIONS:203. C/A: FOUND O2 MASK DOOR LATCH BROKEN OFF. FWD TO MEL 35-21-02. "M" PROCEDURES C/W. MEL & PLAC INSTALLED. MCC NOTIFIED. DISPATCH APPROVED. REMOVED AND REPLACED LAV OXY PANEL IAW A319 AMM 35-21. INDUCTEMar 8, 2025 · N346NB · Airbus A319114SDR DALA2025052904124Oxygen Box · malfunctionedSHIP 3315 LAV 207 O2 MASK KEEPS ON OPENING. CORRECTIVE ACTION: REBUILT DOOR LATCH ASSY PER A330 AMM 35-23. OK FOR SERVICE. (7127908)Mar 6, 2025 · N815NW · Airbus A330323SDR AALA202504136428Oxygen Gen · brokenAIRCRAFT IN BASE MAINTENANCE: BROKEN ON EMERGENCY OXIGEN CONTAINER ASSY ROW 24 RH SIDE IN PASSENGER CABIN. MAINTENANCE REPLACED EMERGENCY OXYGEN CONTAINER ASSY ROW 24RH SIDE IN PASSENGER CABIN I.A.W AMM-35-21-41-000-001-A STEP 4.A AND AMM-35-21-41-400-001-A STMar 3, 2025 · N775XF · Airbus A319112SDR AALA202504048937Oxygen Bottle · brokenAIRCRAFT IN BASE MAINTENANCE: BROKEN ON EMERGENCY OXIGEN CONTAINER ASSY ROW 24 LH SIDE IN PASSENGER CABIN. MAINTENANCE REPLACED EMERGENCY OXYGEN CONTAINER ASSY ROW 24 LH SIDE IN PASSENGER CABIN I.A.W AMM-35-21-41-000-001-A STEP 4.A AND AMM-35-21-41-400-001-A SMar 3, 2025 · N775XF · Airbus A319112SDR AALA202504041488Oxygen Bottle · brokenAIRCRAFT IN BASE MAINTENANCE: BROKEN ON EMERGENCY OXYGEN CONTAINER ASSY ROW 16 LH SIDE IN PASSENGER CABIN. MAINTENANCE REPLACED EMERGENCY OXYGEN CONTAINER ASSY ROW 16 LH SIDE IN PASSENGER CABIN I.A.W AMM-35-21-41-000-001-A STEP 4.A AND AMM-35-21-41-400-001-A SMar 3, 2025 · N775XF · Airbus A319112SDR DALA2025030301596Oxygen Mask · unwanted deploySHIP 3102 DISC: OXYGEN PANEL MASK DEPLOYED. ON TAKEOFF MASK DROPPED DUE TO ROUGH WINDS. C/A: RE-PACKED AFT F/A 2R SWIVEL SEAT OXYGEN MASK ASSEMBLIES PER A319 AMM 35-21. OPS CHECK GOOD. OK FOR SVC. (LP: 0833813)Feb 28, 2025 · N302NB · Airbus A319114SDR DALA2025030301594Oxygen Mask · unwanted deploySHIP 3102 DISC: AFT LEFT LAV O2 MASK DEPLOYED. C/A: RE-PACKED AFT LAV O2 MASK IAW A319 AMM 35-21. OPS CHKS GOOD. A/C OK FOR SVC. (LP: 4392622)Feb 28, 2025 · N302NB · Airbus A319114SDR WX0A2025022832336Hinge · broken(AIRCRAFT NOT GROUNDED) WHILE PERFORMING SCHEDULED MAINTENANCE FOR REMOVAL AND REPLACEMENT OF OXYGEN GENERATORS AT SEATS 4 DEF AND 5 DEF, FOUND DOOR HINGES ON OXYGEN MASK CONTAINERS TO BE BROKEN. / REMOVED AND REPLACED HINGES ON 4DF AND 5DF OXYGEN MASK CONTAINFeb 25, 2025 · N277NV · Airbus A320214SDR DALA2025022701547Oxygen Box · damagedSHIP 3415 OXYGEN MASK DOOR ABOVE FA JUMP SEAT AT 1R WILL NOT CLOSE. CORRECTIVE ACTION: RE-PACKED MASKS AND CLOSED O2 DOOR PER A330 AMM 35-23. OK FOR SERVICE. (6960158)Feb 25, 2025 · N415DX · Airbus A330941SDR 2025FA0000126Shutoff Valve · failedPATIENT WAS PUT ONBOARD, BUT THE LIQUID OXYGEN SYSTEM WAS NOT SUPPLYING OXYGEN. REMOVED PATIENT AND DISPATCHED ANOTHER AIRCRAFT. FOUND A FAULTY OXYGEN SHUTOFF VALVE.Feb 24, 2025 · N540SF · Bolkms BK117D3SDR DALA2025022601484Oxygen Mask · dislodgedSHIP 3132 DISC: OXYGEN MASKS ROW 27 ABC FELL DOWN. C/A: FWD ROW 27ABC PASSENGER O2 MODULE DOOR TO MEL 35-21-01A. ASJUSTED ROW 27 ABC PASSENGER O2 MODULE DOOR. O2 BOTTLE INSPECTED AND FOUND UN-USED. MASK REPACKED REF. A319 AMM 35-21- 43. SEATS UNBLOCKED. PLACARFeb 22, 2025 · N332NB · Airbus A319114SDR DALA2025022401436Oxygen Mask · unwanted deploySHIP 3311 FWD LAV O2 MASK DEPLOYED IN FLT. CORRECTIVE ACTION: REPACKED MASKS PER A330 AMM 35-23. OK FOR SERVICE. (6838684)Feb 21, 2025 · N811NW · Airbus A330323SDR CALA2025022000389Oxygen Box · damagedFOUND ACR BUNK 6 PSU CONNECTOR MOUNT DAMAGED, WHILE CARRYING OUT PASSENGER OXYGEN BOTTLE INITIATOR GVI. ACR BUNK 6 PSU ASSY REPLACED FOUND SATIS IAW AMM 35-21-00, AIRCRAFT. UPDATED RFID DETAILS UPLOADED THROUGH IPAD 35-21-04 INSTALLATION TEST C/OUT FOUND SATISFeb 20, 2025 · N24973 · Boeing 7879SDR CALA2025022000388Oxygen System · no testOXYGEN SYSTEM TEST,OXYGEN ZONE 1R TEST CONDITION:FAILED. MM:35-100136 ZONE 1 RIGHT COLUMN HAS AN INTERNAL FAULT. FOUND FCR BUNK 2 PSU INDICATOR FLASHING. FCR BUNK 2 OXYGEN INITIATOR REPLACED FOUND SATIS IAW CMM35-22-29 & FCR BUNK 2 PSU RESTORED FOUND SATIS IAWFeb 20, 2025 · N24973 · Boeing 7879SDR DALA2025022001306Oxygen Mask · unwanted deploySHIP 3311 RIGHT AFT LAV MASKS DROPPED. CORRECTIVE ACTION: R/R RT AFT LAV O2 CONTAINER ASSY PER A330 CMM 25-41-09. OK FOR SERVICE. (6838662)Feb 18, 2025 · N811NW · Airbus A330323SDR DALA2025022001279Oxygen Box · openSHIP 3230 DISC: FA JS O2 PANEL OPENED. C/A: FOUND O2 MASK DEPLOYED. GENERATOR NOT ACTIVATED. PACKED MASK. NOW NORMAL. IAW AMM A320 35-21. A/C OK FOR SVC. (LP: 6708194)Feb 18, 2025 · N330NW · Airbus A320211SDR DALA2025022001278Door · openSHIP 3147 DISC: EMERGENCY O2 DOOR ABOVE SEATS 10 D-E-F CAME DOWN NEEDS RESETTING TO CLOS O-2 MASK DOOR. C/A: STOWED MASKS AT 10-D-E-F A/C OK FOR SERVICE PER A 319AMM 35-21-43. (LP: 4014240)Feb 18, 2025 · N347NB · Airbus A319114SDR DALA2025022001276Oxygen Mask · dislodgedSHIP 3157 DISC: OXYGEN IN AFT LAV FELL OUT. C/A: RESTOWED AFT LAV O2 MASK PER A 319 AMM 35-20. A/C OK FOR SERVICE. (LP: 5697771)Feb 18, 2025 · N357NB · Airbus A319114SDR DALA2025022101369Oxygen Mask · dislodgedSHIP 3323 OXYGEN PANEL MASK DEPLOYED / LOCATION: LAV 203. CORRECTIVE ACTION: R/R 3L CTR LAV 02 CONTAINER REF A330 AMM 35-21. (0814977)Feb 17, 2025 · N823NW · Airbus A330302SDR DALA2025021801223Oxygen Mask · unwanted deploySHIP 3321 3L LAV O2 MASK DROPPED. CORRECTIVE ACTION: REPOSITIONED MASK PER A330-300 AMM 35-20. OK FOR SERVICE. (6833048)Feb 14, 2025 · N821NW · Airbus A330323SDR DALA2025021601167Oxygen Panel · openSHIP 3225 DISC: AFT GALLEY O2 MAKS COMPARTMENT OPENED. MASKS DID NOT DROP. C/A: RE-SECURED AFT GALLEY O2 MASK COMP DOOR PER A320 AMM 35-21. OK FOR SVC. (LP: 6830174)Feb 13, 2025 · N325US · Airbus A320211SDR CALA2025021402323Oxygen Box · damagedO2 MASK FELL IN FWDLAV UPON INSPECTION OF O2 MASK BOX OUTBOARD LATCH SPRING AND ROD GUIDE IS BROKEN AND ROD IS BENT. UNABLE TO LATCH O2 DOOR CLOSED IPC 35-21-01-01E, ITEM 10Z, 10T. PN 807894-214 (M&E 31-3512-3-0004)BOTTLE. PN AH5702-51-U1 (M&E 31-3512-3-0014)CFeb 13, 2025 · N435UA · Airbus A320232SDR WX0A2025021432314Oxygen Mask · unwanted deploy(AIRCRAFT NOT GROUNDED) ROW 14ABC O2 MASK FELL DOWN -AGAIN / R&R ROW 14ABC EMERGENCY OXYGEN GENERATOR IN REF. TO AMM 35-21-41-020-050-A & AMM 35-21-41-420-050-A. OK FOR SERVICE."Feb 12, 2025 · N224NV · Airbus A320214SDR CALA2025021202297Oxygen Gen · inoperativeROW 24ABC FOUND PASSENGER OXYGEN GENERATOR PINNED INOPERABLE IN PSU PANEL. REMOVED SHIPPING PIN FROM OXYGEN GENERATOR IAW AMM 35-22-11-400-804-001 AND 35-22-11-400-811-001. ITEM OK FOR SERVICE. VERIFIED SHIPPING PIN REMOVAL FROM OXYGEN GENERATOR IAW AMM 35-22-Feb 11, 2025 · N54711 · Boeing 737724SDR CALA2025021202296Oxygen Gen · inoperativeROW 15ABC FOUND PASSENGER OXYGEN GENERATOR PINNED INOPERABLE IN PSU. REMOVED SHIPPING PIN AND STREAMER FROM GENERATOR IAW AMM 35-22-11-400-804-001 AND 35-22-11-400-811-001. ITEM OK FOR SERVICE. VERIFIED SHIPPING PIN REMOVAL FROM OXYGEN GENERATOR IAW AMM 35-22-Feb 11, 2025 · N54711 · Boeing 737724SDR DALA2025021301123Oxygen Mask · unwanted deploySHIP 3322 OXYGEN PANEL MASK DEPLOYED / LOCATION:206. CORRECTIVE ACTION: R/R LAV OXYGEN PANEL IN LAV 206 PER A330 AMM 35-21. OK FOR SERVICE. (0804538)Feb 10, 2025 · N822NW · Airbus A330302SDR WX0A2025021232311Oxygen Mask · dislodged(AIRCRAFT NOT GROUNDED) O2 MASK FELL OUT ROW 15DEF / REMOVED/REP'D O2 CONTAINER @ 15 DEF IAW AMM 35-21-41-400-001A, OPS CK GOOD. THIS CLEARS MEL 35-21-01A, MDDR 207177. M-ACTIONS REVERSED PLACARDS REMOVED.Feb 10, 2025 · N323NV · Airbus A319111SDR DALA2025021601166Oxygen Panel · openSHIP 3225 DISC: OXYGEN PANNEL ABOVE 2L DOOR IN AFT GALLEY POPPED OPEN MID FLIGHT. C/A: 2L AFT LEFT GALLEY OXYGEN PANEL RE-SECURED AS REQUIRED OK FOR SVC. (LP: 0798641)Feb 6, 2025 · N325US · Airbus A320211SDR WX0A2025020732304Oxygen Mask · unwanted deploy(AIRCRAFT NOT GROUNDED) ROW 15 D-E-F PAX 02 MASKS DEPLOYED DURING PUSH BACK / RE-INSTALLED PSU PANEL IAW AMM 32-21-43-550-801 A"Feb 6, 2025 · N194NV · Airbus A320214SDR UIEA2025020500119Oxygen Mask · inoperativePASSENGER #3 OXYGEN MASK INOP.(<P>TRANSFER TO DMI 225437 PER MEL 35-11-03-02A CAT C DUE DATE 15FEB25</P> / <P>LP 1810355 ITEM M10, 21MAR25: STOWAGE BOX WAS REPLACED IAW AMM 35-11-51-400-803-001. TEST SATISFACTORY, NO FOUND LEAKS. IPC 35-11-52-15 REV 76 22FEB25Feb 5, 2025 · N642GT · Boeing 7673Y0SDR WX0A2025020732305Oxygen Mask · unwanted deploy(AIRCRAFT NOT GROUNDED) ROW 2 O2 MASKS DEPLOYED / FOUND MASK HANGING, OXYGEN CYLINDER NOT ACTIVATED, REPACKED MASK INTO CONTAINER AND CLOSED DOOR. REF AMM 35-21-43-550-801-A. A/C OK FOR SERVICE. NO DISCREPANCIES AT THIS TIME."Feb 5, 2025 · N236NV · Airbus A320214SDR DALA2025020700957Oxygen Mask · unwanted deploySHIP 3243 DISC: ON TAXI OUT FA'S CALLED AND ADVISED MULTIPLE OXY MASKS DROPPED FROM OVERHEAD. C/A: ONLY AFT GALLEY MASKS DROPPED. RESECURED REF A320 AMM 3521. MASKS SECURED GENERATORS NOT ACTIVATED. (LP: 6352682)Feb 5, 2025 · N343NW · Airbus A320212SDR WX0A2025020332294Actuator · broken(AIRCRAFT NOT GROUNDED) FOUND EMERGENCY OXYGEN CONTAINER ACTUATOR AT 33WR BROKEN / REMOVED AND REPLACED AFT EMERGENCY OXYGEN GENERATOR CANISTER 33WR REF AMM 35-21-41-000-001-A AND AMM 35-21-41-400-001-A OPS CHECK GOOD NO FURTHER DEFECT NOTED THIS ACTION CLEARSFeb 2, 2025 · N236NV · Airbus A320214SDR DALA2025020500891O2 Generator · expired(LOG 0792121) WHILE PERFORMING RFID 60 DAY INSPECTION FOUND 32DEF O2 GENERATOR EXPIRED. R+R O2 GENERATOR IAW B737 AMM 35-22Feb 2, 2025 · N382DA · Boeing 737832SDR DALA2025020300783Oxygen Panel · openSHIP 3326 OXYGEN PANEL MASK DEPLOYED / LOCATION:203 / CORRECTIVE ACTION: RE-PACKED MASKS PER A330 AMM 35-23. OK FOR SERVICE. (0791662)Feb 2, 2025 · N826NW · Airbus A330302SDR DALA2025013000721Cover · detachedSHIP 3225 DISC: OVERHEAD O2 MASK PANEL COVER IN AFT GALLEY CAME OFF ON TAKEOFF. C/A: SECURED O2 COVERS IN AFT GALLEY, A/C OK FOR SERVICE. (LP: 5662083)Jan 26, 2025 · N325US · Airbus A320211SDR SCNA20250130034Oxygen Mask · deployedCABIN 02 MASKS DEPLOYED DUE TO DEPRESSURIZATION. CLEANED AND RE-PACKED ALL CABIN O2 MASKS PER B737-800 AMM 35-22-31-100-801-001 AND REPLACED ALL DISCHARGED O2 GENERATORS IN CABIN PER B737-800 AMM 35-22-11-000/-400-801-101 ON SCA WO# 92890, N/R-00007.Jan 25, 2025 · N804SY · Boeing 7378Q8SDR DALA2025012800659Latch · faultedSHIP 3415 4R LAV O2 PANEL DOES NOT LATCH CLOSED. CORRECTIVE ACTION: R/R 02 CONTAINER IN 4R LAV. CHKS GOOD. REF A330 AMM 35-21. (6880028)Jan 25, 2025 · N415DX · Airbus A330941
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