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 DALA2026061503579Oxygen Mask · unwanted deployOXYGEN PANEL MASK DEPLOYED / LOCATION:207. RE-PACKED MASKS PER A330 AMM 35-21. (1465810) AIRCRAFT WAS GROUNDED.SDR DALA2026061503577Oxygen Mask · unsecureOXYGEN PANEL LOOSE / LOCATION:20C. RE-PACKED MASKS PER A330 AMM 35-21. (1643577) AIRCRAFT WAS GROUNDED.SDR DALA2026062003684Psu · broken29ABC OXYGEN PANEL MASKS DEPLOYED, DROPPED ON THEIR OWN DURING SERVICE. MOVED TO MEL 35-21-01A, PLAC & MEL INSTALLED, M PROC C/W. SECURED PSU PANEL AND O2 MASKS REF A319 AMM 35-20. OPS CHK NML. PLACARD REMOVED. "M" PROC REV. (LP: 1642084, AIRCRAFT WAS GROUNDESDR DALA2026061803630Psu · looseOXYGEN PANEL LOOSE, AT THE TOP OF 2L EXIT DOOR, COVER POPPED OPEN. SIGN SHOWS, MASK PACKING, O2 GENERATOR & MASK SCHEMATIC. HOT INTERIOR. RESECURED CLOSED. NO FURTHER DEFECTS NOTED. IAW AMM 35-22. (LP: 1642116, AIRCRAFT WAS GROUNDED)SDR DALA2026061203545Panel · openOXYGEN MASK PANEL FELL OPEN SEAT 39 H/J. RE-PACKED MASKS PER A330 AMM 35-21. (8320936) AIRCRAFT WAS GROUNDED.SDR DALA2026061103537Oxygen Mask · unwanted deployOXYGEN PANEL MASK DEPLOYED / LOCATION:111. RE-PACKED MASKS PER A330 AMM 35-21. OK FOR SERVICE. (1640771) AIRCRAFT WAS GROUNDED.SDR DALA2026061103536Oxygen Panel · unsecure4L JUMPSEAT O2 PANEL CAME OUT. RESECURED 4L JUMPSEAT O2 PANEL PER A330 AMM 35-21. OK FOR SERVICE. (8888399) AIRCRAFT WAS GROUNDED.SDR DALA2026061103535Oxygen Panel · looseOXYGEN PANEL LOOSE / LOCATIONS:203. RESECURED LAV 203 O2 CONTAINER PER A330 AMM 35-21. CHECKS OK. OK FOR SVC. (1639935) AIRCRAFT WAS GROUNDED.SDR DALA2026061003501Oxygen Mask · unwanted deployOXYGEN PANEL MASK DEPLOYED, LOCATION:203. RE-PACKED MASKS PER A330 AMM 35-23. OK FOR SERVICE. (1638794) AIRCRAFT WAS GROUNDED.SDR DALA2026060903450Oxygen Mask · unwanted deployOXYGEN PANEL MASK DEPLOYED / LOCATIONS:18D FRC35230318D - ADDITIONAL LOCATIONS 18E,18F - OXYGEN MASK IN SEATS 18DEF DEPLOYED ON TAKEOFF / INTERIOR. APPLIED MEL 35-21-01A TO SEAT ROW 18DEF PLACARDS INSTALLED. FOUND OB HINGES BROKEN, R/R HINGES PER CMM 25-28-02,SDR DALA2026060203360Oxygen Mask · unwanted deployOXYGEN PANEL MASK DEPLOYED FA CREW BUNK 6. RE-PACKED MASKS PER A330 AMM 35-21. OK FOR SERVICE. (1625340) AIRCRAFT WAS GROUNDED.SDR DALA2026060503396Oxygen Mask · deployedOXYGEN MASKS OVER 17 A,B,C NEED TO BE RESTOWED. FOUND 17 ABC O2 GENERATOR PIN PULLED AND DEPLETED. R & R O2 GENERATOR AND STOWED MASKS PER AMM 35-21. (LP: 8925703, AIRCRAFT WAS GROUNDED)SDR DALA2026060203357Oxygen Mask · unwanted deployAFT RIGHT LAV O2 MASK DEPLOYED AT CRUISE PAX IN LAVATORY. FWD TO MCO AND PLACARD PER MEL 35-21-02 AFT RIGHT LAVATORY OXY INOP, (M) PROCEDURES C/W. MCO AND PLACARD INSTALLED. R/R AFT RIGHT LAV EMERGENCY OXY CONTAINER PER AMM 35-21. OPTS CHECK GOOD. OK FOR SERVSDR DALA2026052603167Oxygen Mask · unwanted deployOXYGEN PANEL MASK DEPLOYED / LOCATION:200. CORRECTIVE ACTION: RE-PACKED MASKS PER A330 AMM 35-21. (1610007) AIRCRAFT WAS GROUNDED.SDR DALA2026052603168Oxygen Mask · unwanted deployO2 MASK DROPPED DURING TAKEOFF AFT LEFT LAV. RE-PACKED MASKS PER A330 AMM 35-21. (9072013) AIRCRAFT WAS GROUNDED.SDR DALA2026052203123Oxygen Mask · deployedFA BUNK 5 OXYGEN MASK DEPLOYED. PACKED MASKS PER AMM 35-21. (1605377) AIRCRAFT WAS GROUNDED.SDR DALA2026052403142Latch · brokenOXYGEN PANEL LATCH BROKEN. OXYGEN PANEL OPENED UP DURING TAKEOFF. C/A: VERIFIED AND SECURED OXYGEN PNL AT L3 DOOR 104 LOC IAW A320 AMM 35-21. (LP: 1602678) AIRCRAFTT WAS GROUNDEDSDR DALA2026051903070Oxygen Mask · unsecureSHIP 3359 O2 MASKS IN LAV 1L ARE HANGING DOWN. CORRECTIVE ACTION: R/R LAV 1L OXYGEN COMPARTMENT PER A330 AMM 35-21. OPS GOOD. (8331489) AIRCRAFT WAS GROUNDED.SDR DALA2026051903077Module · activatedO2 MASKS DROPPED ROW 18 DEF. O2 DEPLOYED WHEN MOVING MASK. PLACED O2 MODULE AT PAX SEAT 18 DEF ON MEL PER 35-21-01A. M PROCEDURE C/W AND SEATS BLOCKED. PLACARD INSTALLED. OK FOR CONTINUED SERVICE. R & R 02 BOTTLE IAW AMM 35-21. M PROCEDURES REVERSED. MEL AND SDR DALA2026051202970Oxygen Mask · unwanted deploySEAT 22C - O2 GENERATOR PANEL DROPPED. RE-PACKED MASKS IAW AMM 35-21. OK FOR SERVICE. (8716434) AIRCRAFT WAS GROUNDED.SDR DALA2026050602892Oxygen Box · openCREW REPORTS O2 MASK DOOR OPENED ON LANDING SEAT 12DEF. PACKED AND SECURED O2 MASK DOOR AT SEAT 12 DEF IAW AMM 35- 21. (LP: 8885420). AIRCRAFT WAS GROUNDEDSDR CALA2026050415927Oxygen Mask · faultedO2 MASK DID NOT DROP ROWS 38DEF LOCKED BY TOMC FOR MAINT FERRY FLT. TOMC UNLOCKING AFTER FERRY. REFER TO LOG PAGE # 8716015 FOR O2 GENERATOR INSTALLATION, ACTIVATION AND OPERATIONAL CHECK REF LP 8715956 AUTO FAIL PRESSURIZATION UNCONTROLABLE ABOVE FL250 O2 MASSDR DALA2026050402797Oxygen Box · brokenPAX OXY STORAGE OPEN /BROKEN ROW 48CDFG. REPLACED O2 ASSY PER A330 AMM 35-21. OK FOR SERVICE. (8589606) AIRCRAFT WAS GROUNDED.SDR DALA2026050602894Latch · brokenOXYGEN PANEL LATCH BROKEN. COMPARTMENT PANEL WILL NOT STAY CLOSED. THERE IS TAPE HOLDING IT CLOSED. IT IS THE COMPARTMENT PANEL DIRECTLY ABOVE THE AFT GALLEY SINK. DEFERRED FA OXYGEN GENERATOR AT F104 (ABOVE L2 DOOR) IAW MEL 35-21-01E. O2 GENERATOR DOOR SECURSDR KCSA202604281036Oxygen Mask · no deployO2 MASK IN UPPER CREW REST BUNK DID NOT DROPSDR KCSA202604281035Oxygen Mask · no deploySUPERNUMERARY O2 MASK ABOVE LEFT SEAT DID NOT DROPSDR DALA2026042802688Latch · brokenSHIP 3359 OXYGEN PANEL LATCH BROKEN / LOCATION JUMP SEAT 112. CORRECTIVE ACTION: REMOVED & REPLACED J/S 112 CABIN OXYGEN MODULE PER A330 TASK 35-21-41-000-801-A. (1563114) AIRCRAFT WAS GROUNDED.SDR DALA2026042202596Oxygen Gen · trippedEA/EO DUE TO INCOMING OPEN UP CHECK FOUND AT DOOR #4L THE CHEMICAL GENERATOR DISCHARGED. REMOVED AND REPLACED O2 CONTAINERS AS PER A350 AMM A350-A-25-33- 66. PERFORMED OPERATIONAL TEST AS PER WORK CARD 3520-2001. (LP# 1555191)SDR DALA2026042202559Oxygen Mask · unwanted deployFA REPORTED AFT RT LAV 02 MASK FELL FROM CEILING. INSPECTED AND CLOSED MASK CONTAINER REF A320 AMM 35-21 OK FOR SERVICE. (LP: 8165544). AIRCRAFT WAS GROUNDEDSDR DALA2026042202549Oxygen Mask · not reportedREMOVED O2 MASK / SMOKE DETECTOR ACCESS PANEL FROM CEILING OF FWD LAV. REMOVED AND REPLACED AIR EXTRACTION HOOD ABOVE FWD LAV CEILING PANEL AND REINSTALLED PANEL PER CMM 25-40. PERFORMED O2 MASK DROP TEST PER A319 AMM 35-23 AND LAV SMOKE DETECTOR TEST PER A31SDR AALA202604211346Oxygen Mask · no testAIRCRAFT WAS GROUNDED: REF MIC# 7257968 PERFORMED OPERATIONAL TEST OF THE MANUAL RELEASE MECHANISM FOR THE PASSENGER EMERGENCY OXYGEN-SYSTEM MASKS AND NOTICED MASK AT SEAT 15 DEF DID NOT DROP. MAINTENANCE REPACKED O2 MASKS & OPS CHECKED IAW AMM 35-23-00.SDR AALA202604215406Oxygen Mask · no testAIRCRAFT WAS GROUNDED: REF MIC# 7257968 PERFORMED OPERATIONAL TEST OF THE MANUAL RELEASE MECHANISM FOR THE PASSENGER EMERGENCY OXYGEN-SYSTEM MASKS AND NOTICED MASK AT SEAT 1FED DID NOT DROP. MAINTENANCE REPACKED O2 MASKS & OPS CHECKED IAW AMM 35-23-00.SDR AALA202604212334Oxygen Mask · no testAIRCRAFT WAS GROUNDED: REF MIC# 7257968 PERFORMED OPERATIONAL TEST OF THE MANUAL RELEASE MECHANISM FOR THE PASSENGER EMERGENCY OXYGEN-SYSTEM MASKS AND NOTICED MASK AT SEAT 26 ABC DID NOT DROP. MAINTENANCE REPACKED O2 MASKS & OPS CHECKED IAW AMM 35-23-00.SDR AALA202604215940Oxygen Mask · no testAIRCRAFT WAS GROUNDED: REF MIC# 7257968 PERFORMED OPERATIONAL TEST OF THE MANUAL RELEASE MECHANISM FOR THE PASSENGER EMERGENCY OXYGEN-SYSTEM MASKS AND NOTICED MASK AT SEAT 16 FED DID NOT DROP. MAINTENANCE REPACKED O2 MASKS & OPS CHECKED IAW AMM 35-23-00.SDR AALA202604212072Oxygen Mask · no testAIRCRAFT WAS GROUNDED: REF MIC# 7257968 PERFORMED OPERATIONAL TEST OF THE MANUAL RELEASE MECHANISM FOR THE PASSENGER EMERGENCY OXYGEN-SYSTEM MASKS AND NOTICED MASK AT SEAT 15 ABC DID NOT DROP. MAINTENANCE REPACKED O2 MASKS & OPS CHECKED IAW AMM 35-23-00.SDR AALA202604215936Oxygen Mask · no testAIRCRAFT WAS GROUNDED: REF MIC# 7257968 PERFORMED OPERATIONAL TEST OF THE MANUAL RELEASE MECHANISM FOR THE PASSENGER EMERGENCY OXYGEN-SYSTEM MASKS AND NOTICED MASK AT SEAT 5 ABC DID NOT DROP. MAINTENACE REPACKED O2 MASKS & OPS CHECKED IAW AMM 35-23-00.SDR AALA202604217879Oxygen Mask · no testAIRCRAFT WAS GROUNDED: REF MIC# 7257968 PERFORMED OPERATIONAL TEST OF THE MANUAL RELEASE MECHANISM FOR THE PASSENGER EMERGENCY OXYGEN-SYSTEM MASKS AND NOTICED MASK AT SEAT 4ABC DID NOT DROP. MAINTENANCE REPACKED O2 MASKS & OPS CHECKED IAW AMM 35-23-00.SDR AALA202604216452Oxygen Mask · no testAIRCRAFT WAS GROUNDED: REF MIC# 7257968 PERFORMED OPERATIONAL TEST OF THE MANUAL RELEASE MECHANISM FOR THE PASSENGER EMERGENCY OXYGEN-SYSTEM MASKS AND NOTICED MASK AT SEAT 12ABC DID NOT DROP. MAINTENANCE REPACKED O2 MASKS & OPS CHECKED IAW AMM 35-23-00.SDR AALA202604212263Oxygen Mask · no testAIRCRAFT WAS GROUNDED: REF MIC# 7257968 PERFORMED OPERATIONAL TEST OF THE MANUAL RELEASE MECHANISM FOR THE PASSENGER EMERGENCY OXYGEN-SYSTEM MASKS AND NOTICED MASK AT SEAT 9ABC DID NOT DROP. MAINTENANCE REPACKED O2 MASKS & OPS CHECKED IAW AMM 35-23-00.SDR AALA202604219309Oxygen Mask · no testAIRCRAFT WAS GROUNDED: REF MIC# 7257968 PERFORMED OPERATIONAL TEST OF THE MANUAL RELEASE MECHANISM FOR THE PASSENGER EMERGENCY OXYGEN-SYSTEM MASKS ANDNOTICED MASK AT SEAT 6ABC DID NOT DROP. MAINTENANCE REPACKED O2 MASKS & OPS CHECKED IAW AMM 35-23-00.SDR AALA202604212431Oxygen Mask · no testAIRCRAFT WAS GROUNDED: REF MIC# 7257968 PERFORMED OPERATIONAL TEST OF THE MANUAL RELEASE MECHANISM FOR THE PASSENGER EMERGENCY OXYGEN-SYSTEM MASKS AND NOTICED MASK AT SEAT 24 DEF DID NOT DROP. MAINTENANCE REPACKED O2 MASKS & OPS CHECKED IAW AMM 35-23-00.SDR AALA202604213589Oxygen Mask · no testAIRCRAFT WAS GROUNDED: REF MIC# 7257968 PERFORMED OPERATIONAL TEST OF THE MANUAL RELEASE MECHANISM FOR THE PASSENGER EMERGENCY OXYGEN-SYSTEM MASKS AND NOTICED MASK AT SEAT 8ABC DID NOT DROP. MAINTENANCE REPACKED O2 MASKS & OPS CHECKED IAW AMM 35-23-00.SDR AALA202604217373Oxygen Mask · no testAIRCRAFT WAS GROUNDED: REF MIC# 7257968 PERFORMED OPERATIONAL TEST OF THE MANUAL RELEASE MECHANISM FOR THE PASSENGER EMERGENCY OXYGEN-SYSTEM MASKS ANDNOTICED MASK AT SEAT 13 ABC DID NOT DROP. MAINTENANCE REPACKED O2 MASKS & OPS CHECKED IAW AMM 35-23-00.SDR AALA202604215622Oxygen Mask · no testAIRCRAFT WAS GROUNDED: REF MIC# 7257968 PERFORMED OPERATIONAL TEST OF THE MANUAL RELEASE MECHANISM FOR THE PASSENGER EMERGENCY OXYGEN-SYSTEM MASKS ANDNOTICED MASK AT SEAT 3AC DID NOT DROP. MAINTENANCE REPACKED O2 MASKS & OPS CHECKED IAW AMM 35-23-00.SDR AALA202604215125Oxygen Mask · no testAIRCRAFT WAS GROUNDED: REF MIC# 7257968 PERFORMED OPERATIONAL TEST OF THE MANUAL RELEASE MECHANISM FOR THE PASSENGER EMERGENCY OXYGEN-SYSTEM MASKS AND NOTICED MASK AT SEAT 4ABC DID NOT DROP. MAINTENANCE REPACKED O2 MASKS & OPS CHECKED IAW AMM 35-23-00.SDR AALA202604219745Oxygen Mask · no testAIRCRAFT WAS GROUNDED: REF MIC# 7257968 PERFORMED OPERATIONAL TEST OF THE MANUAL RELEASE MECHANISM FOR THE PASSENGER EMERGENCY OXYGEN-SYSTEM MASKS AND NOTICED MASK AT SEAT 25 FED DID NOT DROP. MAINTENANCE REPACKED O2 MASKS & OPS CHECKED IAW AMM 35-23-00.SDR DALA2026042002474Oxygen Panel · openAFT F/A 02 DOOR OPEN. INSPECTED 02 CONTAINER NO DEFECTS NOTED CLOSED DOOR REF AMM 35-21 OK FOR SERVICE. (LP: 8893708). AIRCRAFT WAS GROUNDED.SDR AALA202604284790Oxygen Mask · no testAIRCRAFT IN BASE MAINTENANCE: R1 DOOR EMERGENCY OXYGEN MASK DOOR DID NOT DEPLOY DURING AUTO DROP TEST. REMOVED AND REPLACED R1 DOOR HEADER ASU ASSEMBLY BOX. IAW AMM25-23-13 PERFORMED SATISFACTORY OPS CHECK OF G1 GALLEY O2MASK BOX. IAW AMM 35-22-00. MASK DROPSSDR DALA2026041502382Oxygen Mask · unwanted deployROW 2 CD MASKS DROPPED. REINSTALLED MASK IAW AMM 35-21. ACFT OK FOR SVC. AIRCRAFT WAS GROUNDEDSDR DALA2026040702208Oxygen Mask · unwanted deployCREW REST BUNK 2 AND BUNK 3 OXYGEN MASK PANEL OPEN AND DEPLOYED. REPLACED O2 MASK MODULES PER A330 AMM 35-21. OK FOR SERVICE. (1531390) AIRCRAFT WAS GROUNDED.
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