JASC 3530

Service difficulty reports · 270

Reports filed under 3530 · Portable 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 = '3530'
  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 MASA2026093000047Oxygen Bottle · low pressureAFT CABIN POB BELOW 1600PSI/ REMOVED AND REPLACED AFT PORTABLE OXYGEN BOTTLESep 30, 2026 · N80348 · Emb ERJ170200LRSDR SCNA20260928414Oxygen Mask · damagedFOUND AFT SUPERNUMERARY SEAT PORTABLE O2 BOTTLE FACE MASK DAMAGED ( SUPERNUMERARY SEATS ) FOUND PORTABLE O2 MASK CRACKED THIS CLEARS MEL 25-31 MDDR # 141727 APPLIED MEL 35-4-2 WITH THE SAME DATE OF DISCOVERY.Sep 28, 2026 · N5479A · Boeing 73783NSDR DALA2026092205274Oxygen Bottle · expiredPORTABLE O2 BOTTLE AT L2 CLOSET FOUND WITH EXPIRED HYDROSTATIC DATE. R & R PORTABLE O2 BOTTLE IN L2 CLOSET IAW AMM 35-31. (9503431)(AIRCRAFT GROUNDED)Sep 15, 2026 · N831MH · Boeing 767432ERSDR DALA2026092205282Oxygen Bottle · expiredPORTABLE OXYGEN BOTTLE IN R1 CLOSET, FOUND WITH EXPIRED HYDROSTATIC DATE. R & R THE PORTABLE OXYGEN BOTTLE IAW AMM 35-31. (9503432)(AIRCRAFT GROUNDED)Sep 15, 2026 · N831MH · Boeing 767432ERSDR DALA2026092205281Oxygen Bottle · expiredPORTABLE OXYGEN BOTTLE AT LOWER LOBE CREW REST HAD EXPIRED. R & R THE PORTABLE OXYGEN BOTTLE IN LOWER LOBE CREW REST IAW AMM 35- 31. (9503430)(AIRCRAFT GROUNDED)Sep 15, 2026 · N831MH · Boeing 767432ERSDR UIEA2026083100834Oxygen Bottle · no discrepancyTWO SUPERNUMERARY PORTABLE OXYGEN INOPERATIVE. PORTABLE OXYGEN DISPENSING UNITS (OR EQUIVALENT) (BOTTLE AND MASK) TRANSFER TO DMI 258432 PER MEL 35-31-01 CAT C. MX REPORTED BOTH BOTTLES ARE AT 1800. THEY ARE IN SERVICEABLE LIMITS IAW AMM 35-31-00-210-802. NAug 31, 2026 · N708GT · Boeing 777FSDR CALA2026082018752Oxygen Mask · kinkedLEFT CLASS DIVIDER UPPER PORTABLE O2 MASK IS KINKED & PINCHED AT FITTING. REPLACED THE OXYGEN MASK IAW AMM 35-32-42.Aug 18, 2026 · N845UA · Airbus A319131SDR DALA2026042502622Oxygen Bottle · emptyPORTABLE O2 BOTTLE READING ZERO IN AFT RT CABIN LOWER. C/A: REMOVED AND REPLACED O2 PORTABLE BOTTLE PER A 319 AMM 35-30 HYD TEST CURRENT. (LP: 8241176). AIRCRAFT WAS GROUNDEDApr 19, 2026 · N358NB · Airbus A319114SDR UIEA2026030200071Oxygen Bottle · inoperativePORTABLE OXYGEN BOTTLE, LOCATED IN SUPERNUMERARY GALLEY CABINET IS INOPERATIVE. R & R THE PORTABLE OXYGEN BOTTLE IAW AMM 35-31-00. LEAK CHKD GOOD.Mar 2, 2026 · N703GT · Boeing 777F16SDR UIEA2026020900047Oxygen Bottle · overpressuredPORTABLE O2 BOTTLE LOCATED IN EMERGENCY EQUIPMENT CABINET IS OVER PRESSURIZED.(<P>REMOVED & REPLACED PORTABLE O2 BOTTLE LOCATED IN THE EMERGENCY EQUIPMENT CABINET IAW B777 AMM 35-31-00. NO DEFECTS NOTED. IPC REF 35-31-51.</P>)Feb 8, 2026 · N703GT · Boeing 777F16SDR CALA2026020113465Oxygen Bottle · expiredMID CABIN LEFT POB PRESSURE LOW REMOVED AND REPLACED POB MID CABIN FWD IAW 35-32-42-400-001-A.Jan 30, 2026 · N14528 · Airbus A321271NXSDR UIEA2026012900020Fitting · wrong partLAVATORY PORTABLE O2 BOTTLE MASK HAS INCORRECT FITTING TO ATTACH TO O2 BOTTLE.(<P>REMOVED & REPLACED O2 MASK ASSY IAW AMM 35-31-00. OPS CHK OK.THIS CLEARS MDDR 246793. </P>)Jan 28, 2026 · N642GT · Boeing 7673Y0SDR DALA2026010500050Oxygen Bottle · expiredEXPIRED DUE DATE HYDROSTATIC TEST OXYGEN BOTTLE IN FWD CLOSET RH AT PASSENGER CABIN. REPLACED OXYGEN BOTTLE IN FWD CLOSET RH AT PASSENGER CABIN AS PER DWG DELTA AIR LINES 25-5429 REV: E ISSUE DATE: 21-JAN-15 SHEET 9 OF 24 ITEM 31 JOB COMPLETE. (LP: 1385818)Jan 4, 2026 · N368NW · Airbus A320212SDR UIEA2025120801337Oxygen Bottle · inoperativePORTABLE BOTTLE L1 DOOR INOP. REMOVED AND REPLACED PORTABLE O2 BOTTLE ASSY & OPS CHECK OK IAW AMM 35-31-00-960-801 & IPC 35-31-51-10A.Dec 8, 2025 · N704GT · Boeing 777F1HSDR UIEA2025120601336Oxygen Bottle · low pressureOXYGEN BOTTLE NOT FULL. R & R 1 AFT PORTABLE O2 BOTTLE IAW AMM 35-31-01/401 & IPC 35-31-01-50. OPS & LEAK CHKD GOOD.Dec 6, 2025 · N645GT · Boeing 767324SDR CALA2025102410481Oxygen Bottle · usedEMERGENCY O2 4L USED. REMOVED AND REPLACED EMERGENCY O2 BOTTLE AT 4L DOOR WITH FULL SERVICEABLE UNIT. REF AMM 35-31-03. PARTS USED: 78-3531-3-0007, QTY :1Oct 23, 2025 · N91007 · Boeing 78710SDR UIEA2025082501135Oxygen Bottle · detachedCREW WALK AROUND, O2 BOTTLE BROKE OFF THE WALL. REATTACHED O2 BOTTLE BRACKET IAW AMM 20-30-01. NO FURTHER DEFECTS NOTED.Aug 25, 2025 · N645GT · Boeing 767324SDR SCNA20250825332Placard · missingPORTABLE O2 BOTTLE MISSING SCA EMERGENCY EQUIPMENT INSPECTION PLACARD R & R PORTABLE OXYGEN CYLINDER IAW: AMM 35-31-01Aug 24, 2025 · N848SY · Boeing 737800*SDR N6WA2025082202Oxygen Mask · wrong partUPON OPS TEST OF UPPER PORTABLE OXYGEN BOTTLE FOUND 2ND MACK TO HAVE INCORRECT PART NUMBER. REMOVED AND REPLACED OXYGEN MASK IAW CRJ AMM 35-31-04.Aug 20, 2025 · N501GJ · Cndair CL6002C11SDR FDEA202508041366Oxygen Bottle · overservicedWALK AROUND OXYGEN BOTTLE IN CLOSET ON FLIGHT DECK OVER PRESSURIZED. NEEDLE OVER RED BAND. AMM: 35-30-00-2 DUE TO WARM TEMPERATURE IN CDG, PORTABLE O2 CYLINDER PX CAN BE READ AT THE CORRECT SERVICEABLE BAND, ACUTALLY 82 *F, CORRECTION CHART APPROVED SEAug 4, 2025 · N849FD · Boeing 777FSDR UIEA2025080101075Oxygen Bottle · not reportedAFT CENTER PORTABLE O2 BOTTLE REQ REPLACEMENT(<P>REMOVED AND REPLACED PORTABLE O2 BOTTLE IAW B767 AMM 35-31-01. OPS & LK CHK OK. NO FURTHER DEFECTS.</P>)Aug 1, 2025 · N662GT · Boeing 76731ASDR 7C7A2025030900012Toilet · cloggedLAVATORY "FLUSH" INTERMITTENTLY INOPMar 9, 2025 · N887EA · Dhav DHC8106SDR QMLA2024112120145Oxygen Bottle · crackedAN OVERHAULED GASEOUS MEDICAL O2 BOTTLE WAS FOUND WITH MANUFACTURING DEFECT OR CRACK AT NECK/REGULATOR FITTING. FOUND DURING LEAK CHECK AFTER INSTALLATION.Nov 21, 2024 · N135AM · Bell 407SDR DALA2024081308101Oxygen Bottle · unknownSHIP 3304 O2 CONTAINER SERIAL NUMBER INSPECTION FOUND LAV 61 O2 CONTAINER SERIAL NUMBER IS A9FA58004. AS PER THIS AD CARD HAVE TO REPLACE. WRONG PART NUMBER FOR THE AD. CORRECTIVE ACTION: REPLACED WITH CORRECT PART. OPS CHECK GOOD. (0493963)Aug 10, 2024 · N804NW · Airbus A330323SDR DALA2024022702700Oxygen Bottle · unsecureSHIP 3316 O2 CONTAINER ABOVE F/A SEAT AT 4R WILL NOT LOCK CLOSED. CORRECTIVE ACTION: R/R O2 CONTAINER ABOVE F/A SEAT AT 4R PER A330 AMM 35-21-41. OPS CHECK GOOD. (5744017)Feb 26, 2024 · N816NW · Airbus A330323SDR AALA202312221148Oxygen Bottle · brokenAIRCRAFT IN BASE MAINTENANCE: BROKEN EMERGENCY OXYGEN CONTAINER ROW 14 RIGHT HAND IN PASSENGER CABIN. REPLACED EMERGENCY OXYGEN CONTAINER.Dec 19, 2023 · N659AW · Airbus A320232SDR DALA2023061904991Unknown · unknownSHIP 3166 29 FED PSU O2 MASK DOES NOT DROP DURING TEST. CORRECTIVE ACTION: R/R PSU WIRING HARNESS. OPS CHECK GOOD. (9472597)Jun 18, 2023 · N366NB · Airbus A319114SDR 2022F00253Oxygen Bottle · low pressureDURING WEEKLY SERVICE CHECK FOUND FWD FLIGHT ATTENDANT JUMP SEAT OXYGEN BOTTLE UNSERVCIEABLE.Jun 20, 2022 · N737AT · Boeing 7377HJSDR DALA2022050603180None · noneSHIP 3264 FOUND PORTABLE OXYGEN CYLINDER AT AFT SEAT 33DEF DATE EXPIRED. CORRECTIVE ACTION: REPLACED O2 BOTTLE PER A320 AMM 35-32. OK FOR SERVICE. (8629238)May 6, 2022 · N364NW · Airbus A320212SDR SWAA2022060901138Panel · deterioratedPANEL 194CL OUTER SKIN IS DISBONDED. (MARKED) / REMOVED 1' DIA OF OUTER SKIN AND PARTIAL DEPTH CORE; CLEANED REPAIR AREA IAW SRM 51-70-05-2R-2 PARA 4.A-B;[05] VERIFIED CORRECTIVE ACTIONS 1-4<BR><BR>VALIDATED REPAIR PER SRM 51-70-05-2R-2;[06] POTTED REPAIR AREAApr 29, 2022 · N477WN · Boeing 7377H4SDR UIEA2022041000280Bottle · low pressureAFT MID CLOSET PORTABLE OXYGEN BOTTLE PRESS LOW P/N 9700-CIA BF23A S/N 525829 REMOVED AND REPLACED AFT MID CLOSET PORTABLE O2 BOTTLE PER B767-300 AMM 35-31-01Apr 12, 2022 · N645GT · Boeing 767324SDR 2022F00134Oxygen Bottle · faultyOVER THE COURSE OF 24 HOURS LIQUID OXYGEN CONVERTOR EXPELLED ALL LIQUID OXYGEN DUE TO A FAULTY VENT RELIEF VALVE.Feb 26, 2022 · N350MC · Beech B300CSDR UIEA2021101502239Pbe · nonePASSENGER CABIN FWD B/C CLOSET PBE SECURITY SEAL MISSING P/N 15-40F-80 S/N 94703002(<P><SPAN>REMOVED & REPLACED PBE AT FWD B/C CLOSET AS REQUIRED PER AMM 35-31-02 CK'D OK .</SPAN></P>)Oct 16, 2021 · N649GT · Boeing 767300SDR UIEA2021092002064Bottle · low pressureFOUND PORTABLE O2 BOTTLE @ 0 PSI IN FWD GALLEY.(<P>REMOVED AND REPLACED PORTABLE O2 BOTTLE PER AMM 35-31-01.</P>)Sep 21, 2021 · N645GT · Boeing 767324SDR UIEA2021080601723Oxygen Mask · brokenPORTABLE OXYGEN BOTTLE AT L1 DOOR MASK BROKEN(<P>TRANSFERRED TO MDDR 151338 IAW MEL 35-31-01, CAT D. </P> / <P>LP<SPAN>1342039: </SPAN><SPAN>REMOVED AND REPLACED MASK IAW AMM 35-31-01 CKS GD THIS CLEARS MDDR 151338, PLACARD REMOVED</SPAN></P>)Aug 5, 2021 · N663GT · Boeing 767324SDR P5CA2021053100217Oxygen Mask · missingSUPERNUMERARY PORTABLE OXYGEN FULL FACE MASK HOOD MISSING.(<P>INSTALLED MISSING FACE MASK HOOD AS PER B767-300 AMM 35-31-01</P>)Jun 1, 2021 · N643GT · Boeing 7673JHFSDR UIEA2021040300822Oxygen Mask · missingLAV PORTABLE OXYGEN MASK MISSING MASK P/N 289-601212 POUCH P/N 80189-01.(<P>INSTALLED LAV PORTABLE OXYGEN MASK & POUCH AS REQUIRED PER AMM 35-31-01. CK'D OK </P>)Apr 3, 2021 · N1427A · Boeing 767306SDR UIEA2021040300825Cylinder · damagedCOCKPIT SUPERNUMERARY PORTABLE OXYGEN CYLINDER TRANFER TUBE DAMAGE. P/N 9800 201A-BF23A S/N ST58846.(<P>REMOVED AND REPLACED SUPERNUMERARY PORTABLE OXYGEN CYLINDER AS REQUIRED PER AMM 35-31-01. LEAK AND OPS CHK OK.</P>)Apr 3, 2021 · N1427A · Boeing 767306SDR UIEA2021020100181Mask · missing1 MASK MISSING LEFT FWD O2 CYLINDER. PORTABLE OXYGEN DISPENSING UNITS, BOTTLE AND MASK. FWD TO MDDR 141745 IAW DDG 35-31-01, CAT D. PLACARD INSTALLED. 04FEB21 - 1193407 - M6 -& MIA - INSTALLED MISSING MASK AT THE LT FWD O2 CYLINDER AS PER AMM 35-31-01. THFeb 1, 2021 · N662GT · Boeing 76731ASDR UIEA2021012600127Oxygen Mask · unserviceablePORTABLE O2 BOTTLE BEHIND SEAT 39G LOW & MASK UNSERVICEABLE. SERVICED PORTABLE O2 BOTTLE, REF AMM CHAP 35-31-01. REPLACED O2 MASK, REF AMM CHAP 35-31-01.Jan 24, 2021 · N645GT · Boeing 767324SDR UIEA2020113002492Oxygen Bottle · low pressureCOCKPIT PORTABLE OXYGEN BOTTLE PRESS LOW P/N 9800-2D1A-BF23A S/N 8136P. REMOVED AND REPLACED REFERENCED COCKPIT O2 BOTTLE, REF M/M 35-31-01-400-801-001.Dec 1, 2020 · N1619A · Boeing 7673Y0SDR UIEA2020120302515Oxygen Mask · damagedFOUND PORTABLE OXYGEN CYLINDER FULL MASK TUBE BRK AT U/D 2 EA, IAW IAI AMM 35-11-00-900-801 REV 10. REPLACED PORTABLE OXYGEN CYLINDER FULL MASK AT U/D 2 EA. JOB COMPLETED AND CONDITION CHECK NORMAL.Nov 30, 2020 · N472MC · Boeing 74745ESDR UIEA2020082401864Oxygen Bottle · damagedON WALK AROUND, THE O2 BOTTLE HAD BROKEN COVER FOR MASK ATTACH POINT. REMOVED AND REPLACED PORTABLE OXYGEN BOTTLE IAW AMM 35-31-01Aug 18, 2020 · N663GT · Boeing 767324SDR UIEA2020062301342Lens · missingLENS MISSING ON LAVATORY OXYGEN BOTTLE. REMOVED AND REPLACED O2 BOTTLE IAW AMM 35-31-00. OPS GOOD.Jun 19, 2020 · N1709A · Boeing 767375SDR UIEA2020051100999Pbe · not reportedMID CABIN PBE SHOWING NOTE: 5 EA. SERVICEABLE PBE REMAINING IN THE AIRCRAFT.(<P>MDDR #128101 MEL 35-20-01 CAT 'D', DD 05SEP20, PLACARD INSTALLED. DISP: DP @ 13:26Z.</P><P>LP 1140399 - ITEM 5: REMOVED AND REPLACED MID CABIN PBE PER AMM 35-31-02. THIS CLEARS MDDMay 8, 2020 · N662GT · Boeing 76731ASDR UIEA2020033100580Oxygen Bottle · unserviceableGALLEY PORTABLE O2 BOTTLE PRESSURE OUT OF LIMITS.(<P>TRANSFERRED TO MDDR 126397, MEL 35-31-01, CAT 'D', DUE DATE: 27JUL20, TI: TS @ 0247Z. 2 SERVICEABLE PORTABLE O2 BOTTLES STILL ON BOARD, STOWED UNSERVICEABLE BOTTLE IN OVERHEAD BIN PER AMM 35-00-00.</P><P>30MMar 29, 2020 · N1709A · Boeing 767375SDR UIEA2020031600446Oxygen Bottle · dischargedRIGHT SIDE OVERWING PORTABLE O2 (UPPER) AND L-1 BOTTLES READING ZERO.(<P>TRANSFERRED TO MDDR 125739, MEL 35-31-01, CAT "D", DUE DATE 11JUL20, PLACARDS INSTALLED.</P><P>LP <SPAN>1120033: </SPAN><SPAN>REMOVED AND REPLACED PORTABLE OXYGEN CYLINDER IAW AMM 35-31-0Mar 13, 2020 · N662GT · Boeing 76731ASDR UIEA2020022090279Oxygen Bottle · inoperativeONE PORTABLE OXYGEN DISPENSING UNIT INOP AT MID CABIN BULK HEAD. (PORTABLE OXYGEN DISPENSING UNITS (BOTTLE AND MASK)). (REF LOG PAGE 1113589: REF MDDR 124817 PORTABLE O2 MASK MISSING)(<P>TRANSFERRED TO MDDR 124817 IAW MEL 35-31-01, CAT 'D'. </P><P>LP <SPAN>111Feb 18, 2020 · N645GT · Boeing 767324SDR VNAA2020021281102Hose · cutAFT PORTABLE OXYGEN MASK NOT CONNECTED/HOSE CUT. REMOVED AND REPLACED AFT PORTABLE OXYGEN MASK.Feb 8, 2020 · N552NN · Cndair CL6002D24SDR UIEA2019122056081Oxygen Bottle · emptyPORTABLE O2 BOTTLE READS ZERO BESIDE F/A SEAT R2 DOOR. (<P>REMOVED AND REPLACED O2 BOTTLE,<SPAN> AND REGULATOR </SPAN><SPAN>(OFF PART: P/N </SPAN><SPAN>801160-3</SPAN><SPAN>, S/N </SPAN><SPAN>34579</SPAN><SPAN>), </SPAN><SPAN>PER B747 AMM 35-31-00-900-801 AT FDec 18, 2019 · N464MC · Boeing 747446
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