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.
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
Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
SDR DALA2026040602190Oxygen Mask · unwanted deployFOUND ALL OXYGEN MASKS DEPLOYED IN CREW REST COMPARTMENT. TESTED AND PACKED THE OXYGEN MASKS IAW AMM 35-21. OK FOR SERVICE. (8307926) AIRCRAFT WAS GROUNDED.SDR DALA2026040602182Oxygen Box · faultedR4 FLIGHT ATTENDANT JUMPSEAT OXYGEN MASK FELL OUT AND WONT STOW PROPERLY. REPLACED O2 BOX ASSY IAW AMM 35-21. OK FOR SERVICE. (8356392) AIRCRAFT WAS GROUNDED.SDR DALA2026033102099Oxygen Mask · unwanted deployOXYGEN PANEL MASK DEPLOYED / LOCATIONS:200. RESET O2 PANEL LATCH & CLOSED CONTAINER PER A330 AMM 35-21. A/C OK FOR SVC. (1520900)SDR DALA2026040402156Oxygen Mask · no testFAILED OXYGEN MASK DROP AT 21R, 24L, AND 29R. PERFORMED GVI OF PSU WIRING AND REPACKED MASKS REF A320 35-21-43 . SUBSEQUENT MASK DEPLOYMENT TEST CHECKS GOOD REF A.A CARD 2527- 01041-02. OK FOR SERVICE. (LP: 8515244) AIRCRAFT WAS GROUNDED.SDR DALA2026032401975Oxygen Mask · unwanted deployOXYGEN MASKS AT 1R JUMP SEAT DEPLOYED FROM CEILING PANEL DURING CLIMB OUT. CORRECTIVE ACTION: REPACKED MASKS PER A330 AMM 35-21. OK FOR SERVICE. (8548930)SDR DALA2026032401966Oxygen Panel · unwanted deployOXYGEN PANEL MASK DEPLOYED 1A. DEPLOYED DURING TAKEOFF. LATCH BROKEN, DOOR WILL NOT STAY CLOSED. MCC NOTIFIED. FWD TO MEL 35-21-01A. SEATS 1A+1B UNSERVICABLE. "M" PROCEDURES C/W. R/R 1A OXYGEN PANEL ASSY, PER A320 AMM 25-25-43. PANEL TESTS GOOD AT THIS TIME. SDR DALA2026032401964Oxygen Mask · unwanted deployIN FLIGHT O2 MASKS DROPPED FROM ROW 12C,D,E. C/A: NSPECTED O2 CONTAINER AND MASK REF A320 AMM 35-21. OK FOR SVC. OPS NORMAL. (LP: 8374592)SDR DALA2026032401963Oxygen Mask · unwanted deployIN FLIGHT O2 MASK DROPPED FROM ROW 23DEF. O2 MASKS RESTOWE I/A/W A320 AMM 35-21-43. A/C OK FOR SERVICE. (LP: 8374590)SDR DALA2026032401962Oxygen Mask · unwanted deployO2 MASKS DROPPED OUT ROW 25DEF. RESTOWED MASKS AND VERIFIED BOTTLE NOT DISCHARGED REF A320 AMM 35-21. (LP: 8374583)SDR DALA2026032301943Oxygen Mask · unwanted deployL3 DOOR OXYGEN MASK HAS DROPPED. REPACKED MASKS PER A330 AMM 35-23. (8505584)SDR DALA2026032001917Oxygen Mask · unwanted deployOXYGEN PANEL MASK DEPLOYED, LOCATION:105. REPACKED MASKS PER A330 AMM 35-23. OK FOR SERVICE. (1501557)SDR DALA2026031901885Psu · openSEAT 3A O2 PSU DOOR OPENED. RE-PACKED MASKS PER A330 AMM 35-21. (8445294)SDR AALA202603187267Actuator · no testAIRCRAFT WAS GROUNDED: SEAT ROW 25 ABC OPERATIONAL TEST OF OXYGEN MASK RELEASE TEST FAILED. MAINTENANCE REPLACED DEPLOY ACTUATOR ASSEMBLY IAW CMM 35-22-74 AND ASM 35-23-02.SDR AALA202603183431Actuator · no testAIRCRAFT WAS GROUNDED: SEAT ROW 2 DF PASSENGER OXYGEN FAILED MANUAL RELEASE OPS CHECKPER AMM 35-23-00. MAINTENANCE REPLACED DEPLOY ACTUATOR ASSEMBLY IAW CMM 35-22-74 AND ASM 35-23-02.SDR AALA202603185815Actuator · no testAIRCRAFT WAS GROUNDED: SEAT ROW 20ABC OPERATIONAL TEST OF OXYGEN MASK RELEASE FAILED. MAINTENANCE REPLACED DEPLOY ACTUATOR ASSEMBLY IAW CMM 35-22-74 AND ASM 35-23-02.SDR AALA202603188224Actuator · no testAIRCRAFT WAS GROUNDED: SEAT ROW 18DEF OPERATIONAL TEST OF OXYGEN MASK RELEASE FAILED. MAINTENANCE REPLACED DEPLOY ACTUATOR ASSEMBLY IAW CMM 35-22-74 AND ASM 35-23-02.SDR AALA202603188141Latch · crackedAIRCRAFT WAS GROUNDED: SEAT ROW 18ABC OPERATIONAL TEST OF OXYGEN MASK RELEASE FAILED. FOUND OXYGEN MASK CONTAINER LATCH INTERFACE CRACKED. REF MIX 7175033 FOR TEMP REPAIR. PERFORMED OPS TEST OF MANUAL MASK RELEASE IAW AMM 35-23-00.SDR AALA202603179107Actuator · no testAIRCRAFT IN BASE MAINTENANCE: FWD GALLEY ABOVE R1 DOOR OXYGEN MASKS WONT DEPLOY WITH MANUAL OPS CHECK. MAINTENANCE REPLACED R1 EMERGENCY OXYGEN DOOR ACTUATOR IAW CMM 35-22-73 AND AMM 23-73-45.SDR AALA202603177972Actuator · no testAIRCRAFT WAS GROUNDED: ROW 1ABC PASSENGER OXYGEN MASKS WONT DEPLOY WITH MAUNUAL OPS CHECK. MAINTENANCE DEPLOY ACTUATOR ASSEMBLY AT SEAT ROW 1 ABC IAW CMM 35-22-73.SDR AALA202603166768Actuator · no testAIRCRAFT WAS GROUNDED: ROW 22ABC PASSENGER OXYGEN MASKS WONT DEPLOY WITH MAUNUAL OPS CHECK. MAINTENANCE REPLACED DEPLOY ACTUATOR ASSEMBLY IAW CMM 35-22-73 AND AMM 23-73-45.SDR AALA202603162807Actuator · no testAIRCRAFT WAS GROUNDED: ROW 23ABC PASSENGER OXYGEN MASKS WONT DEPLOY WITH MAUNUAL OPS CHECK. MAINTENANCE REPLACED DEPLOY ACTUATOR ASSEMBLY IAW CMM 35-22-73 AND AMM 23-73-45.SDR AALA202603162209Actuator · no testAIRCRAFT WAS GROUNDED: ROW 27DEF PASSENGER OXYGEN MASKS WONT DEPLOY WITH MAUNUAL OPS CHECK. MAINTENANCE REPLACED DEPLOY ACTUATOR ASSEMBLY IAW CMM 35-22-73 AND AMM 23-73-45.SDR AALA202603168424Actuator · no testAIRCRAFT WAS GROUNDED: ROW 21ABC PASSENGER OXYGEN MASKS WONT DEPLOY WITH MAUNUAL OPS CHECK. MAINTENANCE REPLACED DEPLOY ACTUATOR ASSEMBLY IAW CMM 35-22-73 AND AMM 23-73-45.SDR AALA202603166755Actuator · no testAIRCRAFT WAS GROUNDED: ROW 10ABC PASSENGER OXYGEN MASKS WONT DEPLOY WITH MAUNUAL OPS CHECK. MAINTENANCE REPLACED DEPLOY ACTUATOR ASSEMBLY IAW CMM 35-22-73 AND AMM 23-73-45,SDR DALA2026031101675Oxygen Mask · unwanted deploySEAT 31 ABC OXYGEN MASK DEPLOYED IN FLIGHT. RE-PACK PSU AT SEAT 31ABC PER A320 AMM 35-21. A/C OK FOR SERVICE. (LP: 8276258)SDR CALA2026030614384Oxygen Gen · faultedBEFORE MAINTENANCE STARTED, THE OXYGEN GENERATOR LOCATED AT SEAT 7DE WAS FOUND TO HAVE BEEN FIRED SAFETY PIN WAS REMOVED FROM OXYGEN GENERATOR AT SEAT ROW 7DE IAW AMM 35-21-04 ON 5001217881-0010.SDR CALA2026030614383Oxygen Gen · activatedBEFORE MAINTENANCE STARTED, THE OXYGEN GENERATOR LOCATED AT SEAT 11ABC WAS FOUND TO HAVE BEEN FIRED. O2 GENERATOR WAS REMOVED AND REPLACED ON NON-ROUTINE 5001217879-0010.SDR DALA2026022601361Latch · brokenOXYGEN PANEL LATCH BROKEN / LOCATION:105. CORRECTIVE ACTION: RESECURED LATCH FOR 02 CONTAINER IN FWD GALLEY LOC 105 PER A330 AMM 35-21. OPS CHECK GOOD. (1466546)SDR DALA2026022701386Oxygen Mask · deployedCREW DEPLOYED O2 MASKS AND ALL O2 GENERATORS DEPLOYED WITH THE EXCEPTION OF LAVATORIES. FWD TO 46 EA NON-ROUTINES FOR GEN REPLACEMENT, MASK CLEANING AND REINSTALL. (LP# 8036172, MSI# 2026-00141)SDR DALA2026022601360Oxygen Mask · unwanted deployOXYGEN PANEL MASK DEPLOYED / LOCATION:207: R & R LATCH ASSY OF OXY CONTAINER AT LAV 207 REF A330 CMM 35-22-40 AND A330 35-21. OPS CHECK GOOD. (1465051)SDR DALA2026022401310Oxygen Panel · unsecureOXYGEN PANEL LOOSE, LOCATIONS 401. ON TAKEOFF, THE AFT LT OXYGEN PANEL POPPED OPEN & MASK WERE RELEASED. PERFORMED FWD AND AFT CABIN INSPECTION, ALL O2 MASKS PANEL SECURED. ACFT OK FOR SVC. (LP: 1460246)SDR DALA2026021901222Oxygen Mask · unwanted deployAFT GALLEY CREW OXYGEN MASKS DEPLOYED. OXYGEN NOT DISCHARGED. REINSTALLED MASKS IAW AMM 35-21. (LP: 7363468)SDR DALA2026021901215Oxygen Bottle · damagedOXYGEN CONTAINER AT ROW 28ABC FOUND DAMAGED. REMOVED AND REPLACED OXYGEN CONTAINER AT ROW 28ABC IAW AMM 35- 21-41-000-001-A AND 35-21-41-400-001-A. PERFORMED SATISFACTORY OP CHK OF MANUAL MASK RELEASE IAW AMM 35-23-00-710-001-A. JOB COMPLETE. (LP: 1453153)SDR DALA2026021901217Oxygen Mask · unwanted deployAFT RIGHT LAV OXYGEN MASKS DEPLOYED. RESTOWED THE OXYGEN MASKS IN THE AFT RIGHT LAV IAW AMM 35-21. ACFT OK FOR SERVICE. (LP: 8130774)SDR DALA2026021100998Oxygen Bottle · inoperative1R LAV OXYGEN PNL INOP. R/R 1R LAV OXYGEN CONTAINER ASSY REF A330 AMM 35-21. OPS CK GOOD. (7802956)SDR DALA2026021000961Oxygen Mask · unwanted deployOXYGEN PANEL MASK DEPLOYED / LOCATION:113. REPLACED OXY CONTAINER PER A330 AMM 35-23. (1442137)SDR SWIA2026020675220Oxygen Mask · unwanted deployDUE TO PASSENGER 02 SYSTEM DEPLOYMENT, PRIOR TO RETURN TO REVENUE SERVICE C/W AMM 05-51-35 MCI TYPE: SERVICEABLE / NEEDS ATTENTION (FLIGHT 5390) TROUBLESHOT LH PACK FAIL CAUSING CABIN ALT WARNING IN REF TO CRJ 200 FIM 21-50-00 FOR MOMENTARY PACK HIGH PRESSURSDR DALA2026020700891Oxygen Mask · unwanted deployOXYGEN MASKS DROPPED AT SEAT 17DEF. RESTOWED THE O2 MASKS AT ROW 17DEF IAW AMM 35-21. ACFT OK FOR SERVICE. (LP: 7700414)SDR DALA2026020700889Oxygen Panel · openDURING CRV FOUND LAV R2 OTBD LAVATORY OXYGEN INOPERATIVE. DEFER TO MEL 35-21-02. 'M' PROC C/W. MEL AND PLAC INSTALLED. R & R THE OXYGEN CONTAINER IN LAV R2 IAW AMM 35-21. OPS CHKD NORMAL. DOOR STAYS CLOSED. MEL/PLACARD RMVD. M PROC REVERSED. (LP: 8455562)SDR DALA2026020700884Oxygen Mask · unwanted deploySEAT 16 DEF MASKS DROPPED. REPACKED MASKS IAW AMM 35-21. OK FOR SERVICE. (LP: 8224408)SDR DALA2026020700890Oxygen Gen · expiredWHILE WORKING ACFT, FOUND EXPIRED AFT LEFT FA O2 GENERATOR. R & R O2 GENERATOR AND INDUCTED EMERGENCY EQUIPMENT IAW AMM 35-21. ALL CHKD NORMAL AT THIS TIME. (LP: 8036017)SDR DALA2026020200750Oxygen Mask · unwanted deployOXYGEN PANEL, MASK DEPLOYED DURING TAKEOFF, AT SEAT 23ABC. TRIED OUR BEST TO STOW THEM, BUT THEY WILL NEED TO BE PUT BACK TOGETHER CORRECTLY. STOWED PSU PANEL AT ROW 23 ABC REF AMM 35-21. (LP: 1429256)SDR DALA2026020200751Seal · out of positionOXYGEN PANEL LATCH BROKEN, ABOVE AFT GALLEY. LOCKING MECHANISM BROKEN. DOOR WILL NOT STAY SHUT. INSPECTED AFT GALLEY O2 MASK & BOX. FOUND PANEL DUST SEAL INTERFERING WITH O2 DOOR LATCHES. ADJUST SEAL, STOWED O2 MASKS AND LATCHED DOOR IAW AMM 35-21. OKAY FORSDR DALA2026012900711Oxygen Mask · unwanted deployOXYGEN PANEL MASK DEPLOYED LOCATION 4L. RESECURED 4L JUMPSEAT O2 MASK CONTAINER REF A330 AMM 35-21. OK FOR SERVICE. (1424393)SDR DALA2026012800697Panel · openOXYGEN PANEL OPENED IN FLIGHT. DEFER OXYGEN MODULE AT SEAT 12ABC TO MEL AND PLACARD IAW MEL 35-21-01A. M PROCEDURE C/W. FOUND OXYGEN PANEL LATCH NOT ENGAGED. CLOSED & LATCH 12A OXYGEN PANEL PROPERLY. OK FOR SVC. IAW AMM 35-21. M PROC REV. MEL PLAC REM. (LP: 8SDR DALA2026012600554Oxygen Mask · unwanted deployOXYGEN MASK DEPLOYED IN FRONT LAVATORY ONLY AFTER TAKE OFF. REPLACED AND STOWED O2 MASK IN FWD LAVATORY IAW AMM 35-12. ACFT OK FOR SERVICE. (LP: 7336862)SDR DALA2026012300521Oxygen Mask · unwanted deployON DEPARTURE O2 MASK AT SEAT 17ABC DEPLOYED. REPACKED O2 MASKS AT SEAT 17ABC PER A321 AMM 35-21. LP: 8418984)SDR 2026FA0000050Shutoff Valve · failedLIQUID OXYGEN SHUTOFF VALVE GOT HOT AND MALFUNCTIONED. CAUSING LOSS OF LIQUID OXYGEN TO PATIENT.SDR DALA2026011500345Oxygen Box · faultedEMERGENCY OXYGEN CONTAINER AT DOOR 4RT WILL NOT STAY CLOSED. REPLACED EMERGENCY OXYGEN CONTAINER AT 4RT REF A330 AMM 35-21. OPS CHECK GOOD. (1401341)SDR DALA2026011700391Latch · brokenO2 MASK LATCH 27DEF BROKEN AND 26DEF BROKEN. FWD TO MEL 35- 21-01A (M) PROC C/W. PLACARD INSTALLED. WAS ABLE TO RESET O2 MASK PSU PANEL PER A319 AMM 35-21. OK FOR SVC. PLACARDS REMOVED. OK FOR SVC. (LP: 8008578)
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