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 GTIA030904Oxygen Mask · will not testAFT LAV LT OXYGEN MASK DIDN'T DROP. ADJUSTED DOOR, OXYGEN DROP CHECK GOOD. (M)Nov 11, 2003 · N830NK · Doug DC982SDR MALA030490Selector · leakingDURING FLIGHT NR 2735 FROM LOG PAGE: OXYGEN LIGHT ILLUM. GAUGE IND 750 PSI, 1700 PSI AT ACCEPTANCE OF AIRCRAFT. AIR RETURN TO DTW. MAINTENANCE REMOVED AND REPLACED LT AND RT AFT OXYGEN CYLINDERS (DUE TO LEAKING AT ON/OFF SELECTOR) & REPLACED BROKEN PRESSURNov 4, 2003 · N365PX · Saab 340BSDR DL757030960Oxygen Gen · dischargedDURING MAINTENANCE NOTICED O2 GENERATOR TEMP BAND WAS BLACK AND PIN WAS OUT OF GENERATOR SAFETY, SEAT 27 ABC OVERHEAD. REPLACED GENERATOR PER AMM, MASKS WERE NOT DEPLOYED.Oct 27, 2003 · N690DL · Boeing 757232SDR AWXA200301268Container · will not testDURING C-17 CHECK THE FORWARD LAVATORY OXYGEN MASK DOOR CONTAINER TEST STOP BUTTON FAILED TEST. MAINTENANCE REMOVED AND REPLACED FORWARD LAVATORY OXYGEN MASK ASSEMBLIES IAW BMM TASK 35-22-31-004-059, AND TASK 35-22-31-404-051, OPERATIONAL CHECK WAS GOOD.Oct 1, 2003 · N156AW · Boeing 7373G7SDR AUS20031002Hose · damaged(AUS) PASSENGER SERVICE UNIT (PSU) OXYGEN HOSE SEVERED AT OXYGEN GENERATOR FITTING ON THE PSU.Sep 28, 2003 · Boeing 737476SDR AWXA200300917Actuator · failedLCQ - EMERGENCY EQUIPMENT - DURING C-17 CHECK THE O2 DOOR LOCATED AT PASSENGER SERVICE UNIT (PSU) 23 RT FAILED TO OPEN DURING PASSENGER OXYGEN SYSTEM CHECK. MAINTENANCE REMOVED AND REPLACED THE ACTUATOR SOLENOID AT PSU 23 RT IAW BMM 35-22-21, OPERATIONAL CHECKAug 11, 2003 · N158AW · Boeing 7373G7SDR AWXA200300875Oxygen Gen · dischargedDURING C-14 CHECK THE OXYGEN GENERATOR AT PSU SEAT ROW 5 RT WAS FOUND WITH A BLACK BAND. REMOVED AND REPLACED OXYGEN GENERATOR AT PSU SEAT ROW 5 RT IAW T/C R1C350004.Aug 2, 2003 · N309AW · Boeing 7373G7SDR MALA030350Hose · brokenDURING PREFLIGHT INSPECTION OF FLIGHT NR 2994, PAX O2 BOTTLE HOSE BROKEN. MAINTENANCE CUT END AND REATTACHED TO O2 BOTTLE.Jul 29, 2003 · N402XJ · Saab 340BSDR AWXA200300766Actuator · defectiveDURING EMERGENCY DESCENT AFTER MANUAL DEPLOYMENT OF OXYGEN MASKS, SEVERAL MASKS FAILED TO DEPLOY. FLIGHT ATTENDANT MANUALLY DEPLOYED MASKS AT SEAT ROW 2, 4 & 12 AND LAVATORIES A & C. MAINTENANCE REPLACED SOLENOIDS (ACTUATORS) AT SEAT ROWS 2, 4 & 12 AND LAVATJun 29, 2003 · N904AW · Boeing 7572S7SDR MALA030311Guard · faultyAFTER BOARDING FLIGHT A/C FOR NR 3417, ALL O2 MASKS FELL DOWN. BELIEVE CAUSED BY FAULTY PROTECTIVE SWITCH COVER, CAP SIDE. MAINTENANCE ADJUSTED CAPT SWITCH GUARD. OPS CHECK GOOD STOWED ALL PAX O2 MASK. SECURITY CHECK GOOD.Jun 16, 2003 · N513XJ · Bac AVRO146RJ85ASDR 2003UALA00471Control Unit · overheatedPASSENGER EMERGENCY OXYGEN SYSTEM PROBLEM. PASSENGER OXYGEN QUANTITY AT 800 PSI AND DECREASING. *SUPPLEMENTAL DATA UPDATE* A VOLTAGE AVERAGING UNIT INTERNALLY OVERHEATED AND BURNED THE CIRCUIT BOARD, CAUSING FAILURE OF THE PASSENGER INDICATION SYSTEM. THE Jun 5, 2003 · N105UA · Boeing 747451SDR AT0300016Oxygen Mask · deployedIMMEDIATELY AFTER TAKEOFF ALL PASSENGER'S OXYGEN MASKS DEPLOYED. REPACKED PASSENGER'S OXYGEN MASKS AM 35-23 AND PERFORMED FUNCTIONAL TEST OF PASSENGER MASK RELEASE SYSTEM, OPS NORMAL AMM 35-22 AND FIM 35-20 TASK 804.May 31, 2003 · N994AT · Boeing 717200SDR MALA030273Oxygen Mask · missingPAX 02 MASK IS MISSING. MAINTENANCE INSTALLED PAX O2 MASK.A/C OK FOR SERV.P/N 801808-02May 17, 2003 · N454XJ · Saab 340BSDR AWXA200300552Oxygen Mask · misinstalledMCN - EMERGENCY EQUIPMENT - DURING C-17 CHECK OF EMERGENCY OXYGEN SYSTEM THE PASSENGER SERVICE UNIT OXYGEN MASK AT SEAT ROW 19 LT FAILED DROP CHECK. MAINTENANCE FOUND OXYGEN MASK LANYARD AT SEAT ROW 19 LT MISROUTED, CORRECTLY ROUTED LANYARD, DROP TEST WAS GOOMay 15, 2003 · N168AW · Boeing 73733ASDR 2003FA0000412Valve · leakingAIRCRAFT ARRIVED WITH AN OXYGEN LEAK. THE ALTIMETRIC VALVE WAS REPLACED. THE REPLACEMENT VALVE ALSO LEAKED. THE THIRD VALVE INSTALLED DIDN`T LEAK IN THE OFF POSITION BUT WHEN THE PASSENGER OXYGEN WAS TURNED ON DEPLOYING THE MASKS THE VALVE LEAKED FROM THE Mar 21, 2003 · N700RK · Socata TBM700SDR CA030225003Oxygen Mask · misinstalled(CAN) A/C EXPERIENCED RAPID DEPRESSURIZATION. CLIMBED TO 15,000 FT IN APPROX 5-10 SECONDS. O2 SYS DEPLOYED AUTOMATIC. STANDBY MODE DID NOT OPERATE NORMALLY BUT CABIN PRESSURE WAS RECAPTURED. DURING EMER DESCENT WITH MANUAL MODE MAINT REPLACED CABIN PRESSURFeb 23, 2003 · Boeing 7372T5SDR QXEA0300299Control Panel · malfunctionedPDX - FLIGHT 2493 - SUPP- AIRCRAFT RETURNED TO FIELD WHEN AFTER TAKEOFF THE PASSENGER OXYGEN MASKS DROPPED. OHMED JB10 TO GROUND, OPEN. OHMED AND MEGGERED FROM CPCP TO GROUND, NO SHORT. MEGGED JB10 CP1 PIN 410 TO GROUND, NO SHORT. CHECKED OXYGEN DEPLOY SWIFeb 23, 2003 · N603QX · Cndair CL6002C10SDR AHQA055NOxygen Mask · tornAT COMPLIANCE WITH AD DISCOVERED TWO O2 MASKS CONTAINED TEARS IN THE FACE CUSHION.Dec 27, 2002 · N598WC · Cessna S550SDR GLBA2002210Oxygen Mask · deployedTHE O2 MASKS FELL DOWN IN ROW 6. RESECURED O2 MASKS.Dec 27, 2002 · N108UX · Emb EMB120ERSDR AUS20021350Generator · faulty(AUS) CABIN OXYGEN GENERATORS (48 OUT OF 56) HAD THE LANYARD PIN INCORRECTLY FITTED INTO THE TRANSPORT HOLE OF THE OXYGEN GENERATOR FIRING PINS INSTEAD OF THE CORRECT LANYARD PIN HOLE.PERSONNEL/MAINTENANCE ERROR.Nov 22, 2002 · Airbus A320*SDR MALA020667Oxygen Mask · deployedSEATS 1C & 1D OXGYEN MASK DROPPED UNCOMMANDED DURING PUSHBACK. MAINTENANCE RESECURED 02 MASKS AND PANEL.Nov 22, 2002 · N506XJ · Bac AVRO146RJ85ASDR F2P2002F00000Line · corrodedWHILE PERFORMING AN OXYGEN SYSTEM FUNCTION CHECK A OXYGEN LEAK WAS DETECTED BETWEEN THE TWO LEFT SIDE PASSENGER OVERHEAD (O2) OUTLETS. A SMALL HOLE WAS FOUND IN (O2) LINE. THIS HOLE WAS A RESULT OF DISSIMILAR METAL CORROSION BETWEEN THE ALUMINUM (O2) LINE ANOct 24, 2002 · N414AW · Cessna 414SDR AUS20021208Line · corroded(AUS) OXYGEN INTERCONNECT LINES CORRODED FROM THE INSIDE OUT.Oct 17, 2002 · Cessna 421CSDR 2002FA0000812Door · stuckWHILE PERFORMING MAINTENANCE TASK 35.200, ITEM 6, SELECTION OF OXYGEN CONTROLLER TO OVERIDE, SIX PASSENGER OXYGEN MASK DOORS FAILED TO OPEN FULLY AND DEPLOY THE MASKS. FIVE OF THE DOORS OPENED APPROXIMATELY .250 INCHES AND THE SIXTH DOOR FAILED TO OPEN. INSPECJun 5, 2002 · N404A · Amd FALCON900EXSDR AUS20020485Oxygen Mask · misinstalled(AUS) OXYGEN MASKS INCORRECTLY PACKED.May 14, 2002 · Boeing 747438SDR CA020426004Latch · failed(CAN) CABIN OXYGEN PSUS NR 9 RT AND NR 14 RT, NO FLOW FOUND DURING FUNCTIONAL TEST. BOTH UNITS ARE FROM THE SAME BATCH NR. BATCH NR 99795 REPLACED LATCH ASEMBLIES.Apr 3, 2002 · Boeing 737275SDR CA020207001Squat Switch · contaminated(CAN) LOSS OF PRESSURIZATION AFTER TAKEOFF. RECTIFICATION: MOISTURE WAS FOUND ON THE LT LANDING GEAR SQUAT SWITCH 9G1. SUSPECT SQUAT SWITCH 9G1 WAS COLD SOAKED, CLEANED AND LUBED. PASSENGER OXYGEN MASK HAD NO OXYGEN FLOW. SYSTEM IS OPERATING IAW F10 MJan 20, 2002 · Amd FALCON10SDR GTIA012321Oxygen Mask · malfunctionedFTW - FOUND OXYGEN MASK DID NOT DROP IN AUTO. PERFORMED TROUBLE SHOOTING AND FOUND OXYGEN LEAK ON OXYGEN LINES. INSTALLED PROPERLY OXYGEN LINES. OPS CHECK GOOD IAW DC9 MM 35-20-0. (M)Jan 3, 2002 · N12536 · Doug DC932SDR AUS20011448Regulator · faulty(AUS) PASSENGER OXYGEN BOTTLE EMPTY. INVESTIGATION FOUND A FAULTY REGULATOR.Dec 9, 2001 · Fokker F28MK4000SDR GTIA012279Oxygen Mask · malfunctionedFTW - FOUND OXYGEN MASK AT ROWS 18 LEFT, 25 LEFT AND 31 RIGHT DIDN'T DROP. ADJUSTED OXYGEN DOORS IAW MD80 MM 35-20-00. (M)Dec 5, 2001 · N800NK · Doug DC982SDR GTIA011098Latch · failedFTW - OXYGEN MASK AT AFT INOPERATIVE CEILING PANEL DO NOT PASS TEST ON AUTO AND MANUAL MODES. REMOVED BAD LATCH AND INSTALLED NEW ONE IAW MD80 MM 35-21-01. OPS CHECK GOOD IAW MD80 MM 35-20-00. (M)Oct 17, 2001 · N810NK · Doug DC981SDR AUS20010956Lanyard · missing(AUS) OXYGEN MASKS LOCATED AT SEATS 26J/K HAD MISSING LANYARDS (3OFF).Sep 4, 2001 · Boeing 767238SDR DLM11011485Generator · activatedOXYGEN GENERATOR ACCIDENTLY DEPLOYED AT SEATS 48JH. REPLACED SAME.Sep 4, 2001 · N805DE · Doug MD11SDR DLM11011484Generator · activatedOXYGEN GENERATOR ACCIDENTLY DEPLOYED AT SEATS 55AB. REPLACED SAME.Sep 4, 2001 · N805DE · Doug MD11SDR DLM11011483Generator · activatedOXYGEN GENERATOR ACCIDENTLY DEPLOYED AT SEAT 11 G. REPLACED SAME.Sep 4, 2001 · N805DE · Doug MD11SDR DLM11011482Generator · activatedOXYGEN GENERATOR ACCIDENTLY DEPLOYED AT SEAT 11 C. REPLACED SAME.Sep 4, 2001 · N805DE · Doug MD11SDR 01FDEA00779Gasper Fan · failedFOLLOWING DESCENT DUE TO PRESS PROBLEMS. CREW NOTICED SMELL ASSOCIATED WITH ELECTRICAL FIRE, NO SMOKE. R&R GASPER FAN PER MM 21-23-011-4. OK FOR SERVICE.Aug 29, 2001 · N282FE · Boeing 727233SDR DL757011192Generator · dischargedOVERHEAD PANEL HOT TO TOUCH W/ ACCOMP ODOR MID LAV F/O SIDE. POSS O2 GEN. CABIN PRESS NORMAL. UPON INSP FOUND MID LAV O2 GEN DISCHARGED. CREW REPORTS MASKS WERE IMPROPERLY STOWED. SUSPECT DISCHARGED BY PAX, REP O2 GEN PER MM 35-21-04-4. OK FOR SERVICE.Jul 18, 2001 · N677DL · Boeing 757232SDR AUS20010747Generator · misinstalled(AUS) OXYGEN GENERATORS LOCATED AT SEATS 24AB, 25AB, 27AB AND 30FG HADTHE RELEASE PINS INCORRECTLY INSTALLED.Jul 17, 2001 · Boeing 767277SDR AUS20010671Compensator · corroded(AUS) NO6 PASSENGER OXYGEN BOTTLE THERMAL COMPENSATOR SWAGED FITTINGCORRODED. AIRCRAFT IS REGISTERED DQ-FJE.Jun 26, 2001 · Boeing 747238BSDR DL757011062Oxygen Bottle · lowR2 DOOR PAX O2 BOTTLE LOW. REPLACED BOTTLE.Jun 25, 2001 · N684DA · Boeing 757232SDR MALA010627Line · brokenDURING C-CHECK IN CVG, WHILE STOWING OXYGEN MASK, FOUND LINE BROKEN AT CHECK VALVE AT SEAT 8 D/E/F. MAINTENANCE REPLACED MASK ASSEMBLY P/N 174085-43, AMM 35-20-31 AT SEAT 8 D/E/F.Jun 15, 2001 · N505XJ · Bac AVRO146RJ85ASDR MALA010626Line · brokenDURING C-CHECK IN CVG, WHILE STOWING OXYGEN MASKS FOUND LINE BROKEN AT CHECK VALVE AT SEAT 2A/B. MAINTENANCE REPLACED MASK AND LINE ASSEMBLY P/N 174085-43 AT SEAT 2A/B IAW AMM 35-20-31.Jun 15, 2001 · N505XJ · Bac AVRO146RJ85ASDR SCNA01324Control Unit · failedDURING HEAVY MAINTENANCE INSPECTION THE ELECTRO PNEUMATIC FLOW CONTROL UNIT FAILS AUTOMATIC DROP TEST. REMOVED AND REPLACED FLOW CONTROL UNIT IAW B727 MM 352111. OPS CHECK NORMAL IAW B727 MM 352100.Jun 15, 2001 · N285SC · Boeing 7272J4SDR SCNA01335Manifold · leakingDURING HEAVY MAINTENANCE INSPECTION THE OXYGEN MANIFOLD AT PSU 3L FAILS LEAK CHECK. REPLACED MANIFOLD IAW B727 MM 352131. OPS AND LEAK CHECK NORMAL IAW B727 MM 352100.Jun 14, 2001 · N285SC · Boeing 7272J4SDR SCNA01326Manifold · leakingDURING HEAVY MAINTENANCE INSPECTION THE OXYGEN MANIFOLD AT PSU 16R FAILS LEAK CHECK. REPLACED PSU OXYGEN MANIFOLD PER B727 MM 352131. LEAK CHECK AND OPS CHECK GOOD IAW B727 MM 352100.Jun 14, 2001 · N285SC · Boeing 7272J4SDR SCNA01325Manifold · leakingDURING HEAVY MAINTENANCE INSPECTION THE OXYGEN MANIFOLD AT PSU 4L FAILS LEAK CHECK. REPLACED PSU OXYGEN MANIFOLD PER B727 MM 252131. LEAK CHECK AND OPS CHECK GOOD IAW B727 MM 352100.Jun 14, 2001 · N285SC · Boeing 7272J4SDR SCNA01328Manifold · leakingDURING HEAVY MAINTENANCE INSPECTION THE OXYGEN MANIFOLD AT PSU 18RH FAILS LEAK CHECK. REPLACED PSU OXYGEN MANIFOLD PER B727 MM 352131. LEAK CHECK AND OPS CHECK GOOD IAW B727 MM 352100.Jun 14, 2001 · N285SC · Boeing 7272J4SDR SCNA01327Manifold · leakingDURING HEAVY MAINTENANCE INSPECTION THE OXYGEN MANIFOLD AT PSU 24R FAILS LEAK CK. REPLACED PSU OXYGEN MANIFOLD PER B727 MM 352131. LEAK CHECK AND OPS CHECK GOOD IAW B727 MM 352100.Jun 14, 2001 · N285SC · Boeing 7272J4SDR SCAN01330Manifold · leakingDURING HEAVY MAINTENANCE INSPECTION THE OXYGEN MANIFOLD FAILS LEAK CHECK AT PSU 24RH. REPLACED MANIFOLD IAW B727 MM 352131, LEAK CHECK AND OPS CHECK GOOD IAW B727 MM 352100.Jun 14, 2001 · N285SC · Boeing 7272J4
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