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.
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 SCNA01329Manifold · leakingDURING HEAVY MAINTENANCE INSPECTION THE OXYGEN MANIFOLD FAILS LEAK CHECK AT PSU 20 LT. REPLACED MANIFOLD IAW B727 MM 352131. LEAK CHECK AND OPS CHECK GOOD IAW B727 MM 352100.SDR DL76L010958Oxygen System · missingDURING INSPECTION OF OXYGEN MASK EO PER AD FOUND NO OXYGEN EQUIPMENT IN PSU ABOVE SEATS 20 A AND B. NO OXYGEN GENERATOR OR MASKS OR ANYTHING. EO 1-85011-12AD REPLACED PSU AND OXYGEN GEN. ON, OFF A 351001259, B 353201010.SDR P5CA0100568Control Unit · failedWHEN COMPLYING WITH FCD 35-10, O2 DOOR AND MASK FAILED TO DEPLOY. REMOVED AND REPLACED FLOW CONTROL UNIT SYSTEM OPS CHECK NORMAL P/N ON 800802-01 ON 0444, P/N OFF 800802-01 S/N OFF 761.SDR AUS20010551Generator · misinstalled(AUS) NR 3 TOILET AND PSU 21L OXYGEN GENERATORS HAD THE RELEASE PINS INCORRECTLY INSTALLED IN THE SAFETY PIN HOLES.PERSONNEL/MAINTENANCE ERROR.SDR C1HA200193008Oxygen Mask · deployedWHILE ON GROUND IN CANCUN. PASSENGER OXYGEN SYSTEM FELL (PRESSURIZED). RESET PAX O2 LEVER. REINSTALLED ALL O2 MASKS. O2 PRESSURE NORMAL.SDR AUS20010398Generator · misinstalled(AUS) OXYGEN GENERATORS LOCATED IN THE FLIGHT ATTENDANT SERVICE UNITADJACENT TO CABIN DOORS L1 AND L2 HAD THE RELASE PINS LOCATED INTHE SAFETY PIN HOLES. PERSONNEL/MAINTENANCE ERROR.SDR AUS20010580Oxygen Mask · faulty(AUS) PASSENGER OXYGEN MASKS (7OFF) SUSPECT FAULTY. FOUND DURINGINSPECTION IAW AD/B767/125.SDR AUS20010443Door · misinstalled(AUS) FORWARD TOILET OXYGEN SYSTEM DROP-DOWN DOOR HAD WHITE SILASTICMATERIAL ACROSS THE FORWARD OUTBOARD CORNER PREVENTING IT FORM OPENING. THE SILASTIC HAD BEEN USED ON THE TOILET CEILING PANEL AND HAD BEEN SMEARED ACROSS THE OXYGEN PANEL DOOR.SDR DL733010674Line · misinstalledDURING THE ACCOMPLISHMENT OF 05-085011-12 IT WAS DISCOVERED THAT SEVERAL CABIN O2 MASK SUPPLY LINES WERE INSTALLED INCORRECTLY AT THE O2 GENERATOR SUPPLY MANIFOLD OUTLETS. CA CORRECTED TUBE INSTALLATION.SDR AU010331Generator · failed(AUS) OXYGEN GENERATORS LOCATED ABOVE SEATS 9LT, 11LT, 13LT, 15LT AND 17LT HAD THE RELEASE PIN LOCATED IN THE SAFETY PIN HOLE.SDR DLM88010478Generator · failedRIGHT HAND PASSENGER CHEMICAL OXYGEN GENERATOR UNIT FAILED TO FIRE DURING ACTIVATION, PRIOR TO DISPOSAL IN HAZARDOUS WASTE DRUM. TRIED SEVERAL TIMES TO ACTIVATE. GENERATOR WAS BEING REPLACED DUE TO TIME. MANUFACTURE DATE-9-89.LOT NO.1314.SDR DLM11010403Oxygen Mask · deployedUPON ENGINE SHUT DOWN ALL OVERHEAD MASKS DEPLOYED WITH AIR SYSTEM IN MANUAL AT AC POWER TRANSFER - NO FAULTS FOUND - UNABLE TO DUPLICATESDR F3LA200100040Control Unit · failedPRIOR TO DEPARTURE, FLIGHT CREW REPORTED ALL PASSENGER OXYGEN MASKS DEPLOYED AFTER OXYGEN SYSTEM WAS SERVICED. REPLACED PASSENGER OXYGEN CONTINUOUS FLOW CONTROL UNIT PER MM 35-21-21, RESTOWED OXYGEN MASKS, PERFORMED OPERATIONAL TEST AND LEAK CHECK, AND SYSTEMSDR GLBA2001049Oxygen Mask · deployedPASSENGER O2 MASK DEPLOYED INFLIGHT. RESECURED MASK, OPS CHECKED SYSTEM GOOD.SDR AWXA0001335Oxygen Mask · failedIN PHX A FURTHER PRESSURIZATION CHECK WAS PERFORMED WITH NO DISCREPANCIES NOTED; THE CABIN PRESSURE WAS REPLACED AS A PRECAUTION. TWO OXYGEN MASK PANELS FAILED TO DROP DURING EVENT. OXYGEN MASKS DEPLOYED DUE TO RAPID DEPRESSURIZATION; A REPORT WAS GIVEN THATSDR C2XA01BT016Oxygen Mask · deployedBTV - FLT 4218 - CREW REPORTED SEAT 17A OXYGEN MASK DEPLOYED INFLIGHT. MAINTENANCE ADJUSTED LATCHING MECHANISM AND RESECURED THE OXYGEN MASK IAW EMB145 AMM 35-20-01. AIRCRAFT RETURNED TO SERVICE. (M)SDR VNAA0101022Oxygen Mask · deployedWHILE CLIMBING THROUGH 10,000 FEET THE OXYGEN MASKS DEPLOYED INADVERTENTLY. THE FLIGHT LANDED IN PIT WITH NO FURTHER INCIDENTS. MAINTENANCE TROUBLESHOT THE WIRING, REPLACED THE SOLENOID AND OXYGEN PANEL, AND HAD A TEST FLIGHT. THE TEST FLIGHT WAS GOOD AND TSDR DLM11010001Oxygen Mask · dischargedFOUND 55AB 02 MASK DROPPED AND DISCHARGED - REPLACED SAMESDR AT0000485Regulator · inoperativePASSING THROUGH 260FL, FIRST OFFICER HEARD SURGE FROM PAX O2 SYSTEM. ALL MASKS DEPLOYED. CABIN ALTITUDE WAS AT 7000FT. REMOVED AND REPLACED PAX O2 CYLINDER REGULATOR. IAW DC9 MM35-20SDR 20010207SG010Oxygen Mask · failedAT CRUISE ALTITUDE OF 39,000 FEET, THE CABIN ALTITUDE HAD STARTED TO RISE AT ABOUT 200-500 FOOT PER MINUTE. MOST OF CABIN MASKS DEPLOYED, BUT OTHERS DID NOT. THE FOLLOWING OXYGEN PANELS DID NOT OPEN NOR THE MASKS DROPPED, ROW 4 CENTER LEFT; 2 CENTER LEFT; 16SDR COMA0060972Psu · loosePASSENGER O2 UNIT AT 2 A & B FELL LOOSE. SECURED THE PSU AT 2A AND B.SDR AU001140Oxygen Mask · failed(AUS) PASSENGER OXYGEN MASKS FAILED TO DEPLOY AT 14,000 FEET. SUSPECT CAUSED BY DRY AND STIFF HINGES ON THE OXYGEN MASK DOORS DUE TOINFREQUENT USE AND SOLVENTS USED IN REPAINTING HAVING WASHED ANYLUBRICANT FROM THE HINGES. THE TOILET OXYGEN MASK DOOR ELECTRIC SDR 2000UALA00660Pin · misinstalledDURING A ROUTINE MAINTENANCE VISIT, AS A RESULT OF BOEING TELEX M-7200-00-02474 REPORTING IMPROPER OXYGEN GENERATOR RELEASE PIN INSTALLATIONS. MECHANICS FOUND MULTIPLE GENERATORS WITH RELEASE PINS INSTALLED INCORRECTLY. CORRECTED RELEASE PIN INSTALLATIONS.SDR DLM11002039Relay · failedDURING POWER TRANSFER CREW REPORTED A UNCOMMANDED DEPLOYMENT OF THE PASSENGER OXYGEN MASKS. MTC CHECKED SYSTEM VIA M/M AND REPLACED RELAYS R2-253 AND R2-106.SDR DLM11001926Generator · activatedDURING CABIN CLEANING, 5 PSU DEPLOYED OXYGEN MASKS WITH 2 OXYGEN GENERATORS ACTIVATED. REPLACED OXYGEN GENERATORS AND RESTOWED MASKS. SUSPECT CABIN SERVICE BUMPED PANELS WHILE CLEANING.SDR USAASB00260Control Unit · failedFLL - FLT 2995 - EN ROUTE FROM LGA-FLL, AT FL310, THE PASSENGERS OXYGEN DROPPED TO ZERO PSI. CREW ACCOMPLISHED PROCEDURES AND DESCENDED TO FL100. BEFORE LANDING, THE PASSENGER OXYGEN PRESSURE RETURNED TO NORMAL. MAINTENANCE REMOVED AND REPLACED THE PASSENGESDR AU000895Switch · misinstalled(AUS) CABIN ALTITUDE SENSE SWITCH INCORRECTLY WIRED. CABIN OXYGEN MASKS FAILED TO CORRECTLY DEPLOY. (X)SDR AU000879Diode · shorted(AUS) CABIN OXYGEN CONTROL SOLENOID TRANSIENT VOLTAGE SUPPRESSION DIODE SHORT CIRCUITED. FAILURE OF PASSENGER OXYGEN MASK AUTOMATIC DEPLOYMENT. (X)SDR AU000848Solenoid · open(AUS) PASSENGER OXYGEN MASKS DID NOT DEPLOY DURING TEST FLIGHT. INVESTIGATION FOUND SOLENOID OPEN CIRCUIT. (X)SDR AU000736Oxygen Mask · fire(AUS) DURING PBE MASK DISCHARGE, THE OXYGEN MASK ACTIVATION MECHANISM SEPARATED FROM OXYGEN GENERATOR UNDER PRESSURE CAUSING THE GENERATOR UNIT TO CATCH FIRE. (X)SDR DL72S001690Latch · dirtyDURING RAPID DECOMPRESSION AT FL350, O2 MASK DID NOT DROP AT SEAT 20DEF. CLEANED FLANGES ON PSM DOOR AND PERFORMED DROP CHECK PER M/M. CHECKED GOOD.SDR AALA20001409Psu · obstructedTUL - GIVING OK TO CLOSE ALL PSU''S, 2 PIECES OF WIRE WERE FOUND IN THE SAFETY PIN HOLE FOR SEAT 28ABC, DOCK 1A. REMOVED WIRE AND INITIATED MRR DATED 8-28-00. SENT SAMPLE WIRE WITH THE MRR. (X)SDR UPS00433641Oxygen Mask · failedINSPECTION TYPE:C, PASSENGER O2 FAILED TO DROP AUTOMATICALLY WITH CABIN ALT AT 14.7. CLEARED O2 COMPT''S DOOR EDGES AND FRAMES FROM PANEL AND RECHECKED PER MM 35-20-00. FOUND OK.SDR 0002535528Pin · malfunctionedFOLLOWING DEPLOYMENT OF PASSENGER OXYGEN SYSTEM IN FLIGHT, FOUND 12 GENERATOR ACTIVATOR PINS WOULD NOT PULL OUT WHEN MASKS WERE PULLED DOWN. MAINTENANCE REPLACED THE OXYGEN GENERATORS. OPERATIONAL CHECK OK.SDR MWEA00526Door · failedMKE - RIGHT LAVATORY EMERGENCY OXYGEN DOOR FAILED TO OPEN DURING FUNCTIONAL CHECK. ADJUSTED OXYGEN DOOR. (X)SDR AALA20000873Generator · activatedDFW - FLT 1183 - DURING TAXI, MASK COMPARTMENT AT SEAT 7AB OPENED AND OXYGEN GENERATOR FIRED. RETURNED TO GATE. REMOVED AND REPLACED SEAT 7AB OXYGEN GENERATOR. SYSTEM GROUND CHECKED NORMAL OPERATION. (M)SDR DLM88000970Oxygen Mask · deployedPASSING 19K FT ALL O2 MASKS ON CO-PILOTS SIDE AND LEFT SIDE AFT OF AFT GALLEY, IN LAVS AND AFT JUMP SEAT PRESENTED. NO COCKPIT LIGHTS, CABIN ALTITUDE 6K, DIF PRESS 2.5, CABIN RATE OF CLIMB 300 FPM. ALL PANELS WERE RESET. REPAIRED WIRING AT S3-374 AND SECURESDR TWAA0007101Oxygen Mask · deployedIN CRUISE FLIGHT CREW ERROR CONTRIBUTED TO A LOSS OF PRESSURIZATION. PASSENGER OXYGEN MASKS DROPPED AUTOMATICALLY. SEAT ROW 7 RT SIDE THE OXY MASK VALVE PULL PINS WERE MISSING PREVENTING THE FLOW OF OXYGEN, AND AT ROW 22 RT SIDE THE MASKS DID NOT DEPLOY. BOSDR AALA20000559Connector · disconnectedLAX - BEFORE FLIGHT, ALL OXYGEN MASKS INADVERTENTLY DEPLOYED. SEAT 7AB MASK FAILED TO DEPLOY. RECONNECTED CONNECTOR FOR OXYGEN MASK AT SEAT 7AB. SYSTEM GROUND CHECKED, NORMAL OPERATION. (X)SDR 20000510AP001Panel · dislodgedFLT 922 - LAS - OXYGEN COMPARTMENT FELL AT ROW 20. RESECURED OXYGEN COMPARTMENT AT ROW 20. (M)SDR QXEA0000665Web · crackedPDX- TYPE 1 CRACK AT LEFT HAND PANEL AFT SIDE OF NOSE LANDING GEAR WHEEL BAY. REPAIRED IAW FOKKER SRM 53-02-18, FIGURE 10 ACCORDING TO HORIZON AIR EA 4-53-1056.SDR COMA0060240Mask · deployedPASSENGER 02 MASK DEPLOYED AT 12,000 FT. RESTOWED PASSENGER 02 MASK.SDR MALA000154O2 Generator · dischargedREAR O2 MASK DEPLOYMENT, MX FOUND O2 GENERATORS AT SEATS 9 A,B, 11 A,B,D,E,F TO BE DISCHARGED, SEATS 10 D,E,F, AND 7 A,B DEPLOYED BUT NOT DISCHARGED. MX REPLACED O2 GENERATORS AT SEATS 9 A,B, AND 11 A,B,D,E,F. REPACKED ALL ABOVE SEATS PER AMM 35-20-31. OPS SDR AU000025Hose · missing(AUS) PASSENGER OXYGEN SYSTEM FLEXIBLE HOSE TO SEATS 41A, 41B AND 41C WAS NOT FITTED AND THE SUPPLY WAS BLANKED OFF.SDR SCNA99661O2 Mask · failedDURING A HEAVY MAINTENANCE CHECK, THE LAV A AND LAV B OXYGEN MASKS DID NOT DEPLOY DURING TEST. TS AND CONNECTED WIRES FOR LAVS A AND B IAW DC10 MM 203000 AND IAW DC10 WD 352201. OPERATIONALLY CHECKS GOOD IAW DC10 MM 352101.SDR SCNA99660O2 Mask · failedDURING A HEAVY MAINTENANCE CHECK, THE L2 AND R2 ATTENDANT PANEL OXYGEN MASKS DID NOT DEPLOY DURING TEST. TS AND REPLACED RELEASE SWITCH. ADJUSTED SPRING HEIGHT ON DOOR PER DC10 MM 352101. REINSTALLED DOOR. OPERATIONALLY CHECKS GOOD.SDR SCNA99659O2 System · failedDURING A HEAVY MAINTENANCE CHECK, ROW 13 CENTER OXYGEN MASK DID NOT OPEN DURING TEST. RESET LATCHING MECHANISM IAW DC10 MM 352000. PERFORMED SUCCESSFUL OPERATIONAL CHECK IAW DC10 MM 352000.SDR SCNA99657O2 System · failedDURING A HEAVY MAINTENANCE CHECK, THE AFT LEFT LAVATORY OXYGEN MASKS DID NOT DROP DURING TEST. TS AND CONNECTED WIRES FOR AFT LEFT LAV E OXYGEN CONTROL WIRING AT S3 824 TERMINAL STRIP IAW DC10 MM 223000 AND DC10 WD 352201. OPERATIONALLY CHECKS GOOD IAW DC10 SDR 2000ZZZX177Fitting · looseDURING A SCHEDULED INSPECTION TO FUNCTIONALLY CHECK THE PASSENGER OXYGEN MASKS, NOTICED OXYGEN WAS FLOWING BEFORE ANY OF THE PINTLE PINS WERE REMOVED. IT WAS DISCOVERED THE FITTING ON THE AFT OXYGEN DROP-OUT BOX ASSY WAS NOT EVEN FINGER TIGHT. THE SEALING O-SDR DLM11992785O2 Mask · won't testF/O O2 MASK WILL NOT TEST. REPLACED O2 MASK.
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