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 RAAA99B2066Pbe · openROW 2, PBE INDICATOR PROTRUDING ON SERVICE CHECK. REPLACED PBE.SDR AT9900838Oxygen Mask · failedDURING OXYGEN MASK INSPECTION TO COMPLY WITH EO 9-3520-29-E1461, PASSENGER OXYGEN MASKS ABOVE SEAT POSITION 28-DEF AND AFT F/A STATION DID NOT DEPLOY. CLEANED EXCESSIVE PAINT OFF DOOR OF AFT F/A O2 MASK COMPARTMENT. RE-ATTACHED LOOSE HOSE TO MANIFOLD IN PSU SDR RAAA99B2065Pbe · openFWD RT CABIN OVERHEAD BIN PBE INDICATOR PROTRUDING. REPLACED PBE DUE POUCH VACUUM LOST.SDR AT9900836Psu · out of adjustFOUND WHILE ACCOMPLISHING WO55322 PER EO9-3520-29-E1461 REV A, THE RIGHT AFT LAVATORY OXYGEN MASK COMPARTMENT AND THE FORWARD FLIGHT ATTENDANT OXYGEN MASK COMPARTMENT DOORS DID NOT DEPLOY. CLEANED AND ADJUSTED DOORS AS REQUIRED.SDR AT0000011Psu · failedWHILE ACCOMPLISHING WORK ORDER 55311, SEVERAL PSU OXYGEN DOORS DID NOT DEPLOY WHEN SYSTEM WAS ACTIVATED. SEVERAL OXYGEN MASKS WERE FOUND UNSERVICEABLE. REPAIRED OR REPLACED THE AFFECTED PSU'S AND REPLACED ALL UNSERVICEABLE MASKS IAW EO 9-3520-29-E1461 REV A.SDR AT9900839Oxygen Mask · failedDURING OXYGEN MASK INSPECTION TO COMPLY WITH EO 9-3520-29-E1461, PASSENGER OXYGEN MASKS ABOVE SEAT 18DEF DID NOT DEPLOY. PERFORMED OPERATIONAL CHECK OF OXYGEN MASK DROP AT ROW 18 DEF PER MM 35-20. RESULTS GOOD PER MM 35-20.SDR CA991208053Oxygen Masks · failed(CAN) DURING INSPECTION, OXYGEN MASKS DID NOT DEPLOY PROPERLY FROM PASSENGER CONTROL UNITS. MASKS INCORRECTLY PACKED. ALL MASKS PACKED PER MM.SDR AT9900831Psu · inoperativeFOUND OXYGEN MASK INSPECTION FAILED DROP TEST, 5 PANELS DID NOT DEPLOY, ROW 24, SEAT: A-C, ROW 25, SEAT: D,E,F, ROW 4, SEAT: A-C, FORWARD FLIGHT ATTENDANT PANEL, ROW 23, SEAT: D,E,F. ADJUSTED PANEL DOOR AND REPOSITIONED LANYARD IAW DC9 MM 35-20-2, 35-20-3.SDR AALA991619Cable · misriggedORD - FLT 1025 - DURING PRE-FLIGHT, OXYGEN MASKS WERE INADVERTENTLY DEPLOYED BY FLIGHT CREW. OXYGEN CANISTER WAS NOT RIGGED PROPERLY. PROPERLY RIGGED CABLES TO OXYGEN CANISTER AT SEAT 20 DEF AND RESTOWED ALL OTHE MASKS. SYSTEM GROUND CHECKED, NORMAL OPERATISDR SCNA99540Oxygen Gen · dischargedDURING A HEAVY MAINTENANCE CHECK, THE OXYGEN GENERATOR AT SEAT 20D AND 20E WAS FOUND DISCHARGE. REMOVED AND REPLACED OXYGEN GENERATOR PER MM 352003.SDR AT990721Mask · failed testDURING OXYGEN MASK DROP TEST, OXYGEN MASKS AT SEAT 1R AND 19L DID NOT DROP.SDR 99UAL900450Mask · dropedSEVERAL O2 MASKS DROPPED ON LANDING. CAUSE WAS LIKELY A HARD LANDING. MASKS WERE REPACKED AFTER LANDING. THIS HAS NO SAFETY IMPACT. THE OXYGEN SYSTEM WILL STILL PROVIDE OXYGEN TO ALL PASSENGERS IF SYSTEM IS ACTIVATED.SDR DLM11991842Oxygen Gen · discharged4L AFT LAV MASKS WERE DEPLOYED IN FLIGHT. WHILE CHECKING CONDITION OF O2 GENERATOR, MECHANIC DISCHARGED SAME. GENERATOR OPERATED CORRECTLY AND WAS REPLACED BY MECHANIC.SDR AALA991184Oxygen Mask · deployedORD - FLT 879 - OXYGEN MASKS DID NOT DROP AT SEATS 5A, 7A, AND 18A WHEN PASSENGER OXYGEN DEPLOYMENT SWITCH WAS INADVERTENLY ACTIVATED WITH AIRCRAFT ON THE GROUND. REPACKED ALL MASKS AND SUCCESSFULLY TESTED DROP SYSTEM. SYSTEM GROUND CHECKED NORMAL OPERATION.SDR SCNA99534Control Unit · inoperativeDURING A HEAVY MAINTENANCE CHECK, WHEN THE PASSENGER OXYGEN BOTTLES WERE ACTIVATED THE EMERGENCY OXYGEN MASKS DEPLOYED. THE MANUAL OXYGEN CONTROL CABLE WAS FOUND STUCK IN THE ON POSITION. REMOVED AND REPLACED PNEUMATIC FLOW CONTROL UNIT IAW 352111. OPS AND SDR F3LA99109Mask · did not deployDEN - DURING DEMONSTRATION, FLIGHT CREW REPORTED OXYGEN MASKS DID NOT DEPLOY. MAINTENANCE PERFORMED AN OPERATIONAL CHECK OF THE PASSENGER OXYGEN SYSTEM MANUAL ACTIVATION PER MM 35-21-00A AND CHECKED OKAY. TC: 88,247. (X)SDR F3LA99108Masks · did not deployDEN - DURING DEMO FLIGHT, FLIGHT CREW REPORTED OXYGEN MASKS DID NOT DROP IN MANUAL MODE. MAINTENANCE RESET T-HANDLE IN COCKPIT AND PERFORMED AN ANNUAL DROP TEST PER MM 35-21-00A. SYSTEM CHECKED OKAY. TC: 91,843. (X)SDR 99ZZZX3321Oxygen Mask · tornDURING ROUTINE INSPECTION OF THE PASSENGER OXYGEN MASKS, A TEAR WAS FOUND AROUND THE COLLAR OF THE BAG WHERE THE OXYGEN FEED TUE ENTERS IT.SDR 9902975648Connector · failedDURING SCHEDULED MAINTENANCE, THE OXYGEN MASKS FOR SEATS 33DEF WOULD NOT DEPLOY. MAINTENANCE REPAIRED THE ELECTRICAL CONNECTION AT THE RELEASE SOLENOID. SUBSEQUENT SYSTEM TESTS WERE SATISFACTORY.SDR SWIA971524Mask · malfunctionedROW 7 OXYGEN MASKS FELL DOWN. RETURNED TO SEA. SECURED OXYGEN MASK. EXAMINED LATCHING DEVICE AND FOUND NO DEFECTS. OPS CHECKS GOOD.SDR MWEA99376Manifold · inoperativeSEAT 12AB OXYGEN MANIFOLD DOES NOT MOVE TO RELEASE OXYGEN DOOR. MTC REMOVED AND REPLACED MANIFOLD.SDR 99ZZZX2552Oxygen Mask · defectiveINSPECTED AIRCRAFT FOR COMPLIANCE OF AD 99-08-21 PURITAN BENNETT PASSENGER OXYGEN MASKS. OXYGEN MASK INSTALLED IN AIRCRAFT WERE NOT FULLED LISTED.SDR 99ZZZX2551Oxygen Mask · misinstalledDURING INSPECTION OF PASSENGER OXYGEN MASKS FOR AD 99-08-21, FOUND 2 SCOTT PASSENGER OXYGEN MASKS IN A PURITAN BENNETT CONTAINER ASSY. CE650 IPC STATES PURITAN BENNETT MASK ASSEMBLIES ARE TO BE USED ONLY WITH PURITAN BENNETT CONTAINER ASSEMBLY.SDR 99ZZZX2539Oxygen Masks · failedINSPECTED CABIN OXYGEN MASKS IN C/W AD 99-08-21. FOUND FIVE CABINS OXYGEN MASKS WITH CURE DATES FROM 1983 TO 1991 TO BE TORN. AD 99-08-21 REFERS TO OXYGEN MASKS WITH CURE DATES FROM SEPTEMBER, 1993 TO MARCH, 1997. THIS AD SHOULD REQUIRE THAT ALL OXYGEN MASKSDR DLM11991363Oxy Generator · activatedMASK AT SEATS 2A AND 2B CAME DOWN ON LANDING GENERATORS ACTIVATED COULD SMELL IT. REPLACED GENERATOR AND REPACKED MASKS.SDR FJT99062421Mask · damagedMQY - AIRCRAFT WAS RECEIVED TO BE PLCED IN OPERATION, MAINTENANCE DISCOVERED THAT 10 OF THE APPROXIMATELY 20 INSTALLED PASSENGER OXYGEN MASKS WERE IN AN UNSERVICEABLE CONDITION. THE MASK CUPS WERE EITHER FUSED/TORN. THIS AIRCRAFT HAD PREVIOUSLY BEEN IN STORASDR MWEA99320Press Regulator · malfunctionedON DESCENT THE CABIN PRESSURE CLIMBED TO 10,000 FEET AND CREW HAD TO MANUALLY DEPLOY MASKS. MTC REMOVED AND REPLACED RIGHT WATER SEPARATOR SOCK AND OXYGEN BOTTLE PRESSURE REGULATOR.SDR MALA976484Oxygen Bottle · depletedBOTH CABIN PASSENGER O2 BOTTLES USED IN FLIGHT. MAINTENANCE REPLACED BOTH AFT O2 BOTTLES. ALL CHECKS GOOD.SDR 99ZZZX2222Oxygen Mask · damagedWHILE INSPECTING OXYGEN MASKS PER AD 99-08-21, 5 MASKS WERE FOUND TORN WITH MFG DATES FROM 1979 TO 1983. SAME DEFECT AS INDICATED IN THE AD/BULLETIN. ANOTHER ACFT IN FLEET WAS CHECKED AND MORE DEFECTIVE MASKS WERE FOUND. NONE HAD CURE DATES LISTED IN THE ADSDR SCNA99503Switch · failedDURING A HEAVY MAINTENANCE CHECK, 2 ANEROID SWITCHES FOR THE PASSENGER OXYGEN SYSTEM FAILED TEST FOR SCA WORK CARD X1036. THE SUBJECT ANEROID SWITCHES 2 WERE REMOVED AND REPLACED PER MM 352102, OPERATION CHECK WAS GOOD.SDR VTZA990057Mask · deployedORD - FLT 0000 - DURING PRE-FLIGHT AT 303 OHMS ON 5-2-99, CREW FOUND ALL PASSENGER OXYGEN MASKS DEPLOYED. AIRCRAFT STAYED AT GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND RESET OXYGEN SYSTEM AND RE-STOWED ALL PASSENGER OXYGEN MASKS. OPS CHECK OK.SDR COMA9960201Mask · malfunctionedPASSENGER O2 MASKS AT SEAT 12 CD WOULD NOT AUTO DEPLOY. REPLACED PASSENGER OXYGEN MODULE.SDR UPS99229168Mask · fell outINSPECTION TYPE-N/A, O2 MASKS ROW C ON LEFT SIDE OF CABIN FELL OUT. STOWED O2 MASKS AT ROW 6 LT SIDE.SDR DL76S990692Mask · fellTHE O2 MASK ZONE C HANGING DOWN. REINSTALLED MASK AND SECURED PANEL.SDR CA990330072Psu · deployed(CAN) TWO PASSENGER OXYGEN UNITS OPENED IN-FLIGHT AND DROPPED ON PASSENGER SEAT 8D/F.SDR A6WA9900006Mask · deployedMEM - FLT 7615 - UPON ARRIVAL AT AIRCRAFT, FOUND ALL PASSENGER OXYGEN MASKS DEPLOYED. RE-STOWED ALL OXYGEN MASKS AND PEFORMED OPERATIONAL CHECK OF OXYGEN MASKS, PERFORMED IAW CRJ MM 35-21-09. NO DEFECTS NOTED. (X)SDR 99UAL900032Switch · failedOXYGEN MASKS DEPLOYED ON TOUCH DOWN. *S/D* RECEPTICLE ON S119 ALTITUDE PRESSURE SWITCH WAS FOUND DETACHED FROM SWITCH BODY. REPLACED S119 AND PERFORMED CALIBRATION CHECK PER MM 35-21-00.SDR SCNA99002Wire · pinchedDURING FLIGHT, THE OXYGEN MASKS IN THE FORWARD CABIN EJECTED. TROUBLESHOT PROBLEM TO BE A PINCHED MUX SYSTEM CABLE AT SEAT ROWS 6ABC AND 7ABC. REPLACED THE MUX CABLE AND RESET ALL OXYGEN MASKS THAT DROPPED. PERFORMED OXYGEN DROP TEST PER MM 35-20-00. PASSESDR CA990219017Solenoid · failed(CAN) DURING DOOR WARNING PROBLEM WITH AIRCRAFT ON DESCENT, THE OXYGEN MASKS WERE DEPLOYED. MASKS, ROWS 5 TO 13, FAILED TO DEPLOY. CIRCUIT BREAKER HAD TRIPPED ON THE LEFT SIDE CONTROL WHEN MASKS DID NOT DEPLOY . INVESTIGATION SHOWED THAT ROW 13AB SOLENOID LSDR CA990219018Latch · failed(CAN) PASSENGER OXYGEN UNIT AT SEAT 13AB TRIPPING CIRCUIT BREAKERS P1 AND P12. LATCH ASSY REPLACED.SDR 98ZZZX4769Regulator · failedON A RECENT TRIP, THE REGULATOR ASSEMBLY ON THE NR 1 PASSENGER OXYGEN BOTTLE FAILED AND A FIRE ENSUED.SDR MALA976238Hose · looseDURING FLIGHT, O2 HOSE OVER SEAT 5D FELL OFF FROM ABOVE. AIRCRAFT RETURNED TO DTW. MAINTENANCE RESECURED PANEL AND HOSE ABOVE 5D, OVERHEAD PSU PANEL. SECURITY CHECK GOOD.SDR 98ZZZX4632Oxygen Regulator · leakingREGULATOR WAS LEAKING OXYGEN OVERNIGHT. REPLACED OXYGEN REGULATOR.SDR FJT98109221Mask · fusedBNA - AIRCRAFT WAS IN MAINT FOR A 4,000-HR INSPECTION. JETSTREAM MAINT TASK 35-20-00 REQUIRES PASSENGER OXYGEN MASKS BE DELPOYED, INSPECTED, CLEANED, AND REPACKED EVERY 4,000 HOURS. DURING INSPECTION, NOTICED AFTER DEPLOYING OXYGEN MASKS, A MAJORITY WERE FUSSDR UPS98227949Oxy Mask · deployedROW 4ABC O2 CANISTER AND MASK DEPLOYED AND O2 GENERATOR USED. REMOVED AND REPLACED O2 GENERATOR AND REPLACED MASKS CKS OK IAW MM 35-00-00.SDR CALA9801946Latch · lack of lubeOXYGEN COMPARTMENT 7RT DID NOT OPEN ON TEST. LUBRICATED LATCH PER MM 35-20-00.SDR CALA9801945Latch · lack of lubeOXYGEN COMPARTMENT 26LT DID NOT OPEN ON TEST. LUBRICATED LATCH PER MM 35-20-00.SDR CALA9801944Latch · lack of lubeOXYGEN COMPARTMENT 23 RT DID NOT OPEN ON TEST. LUBRICATED LATCH PER MM 35-20-00.SDR CALA9801943Latch · lack of lubeOXYGEN COMPARTMENT 30 RT DID NOT OPEN ON TEST. LUBRICATED LATCH PER MM 35-20-00.SDR UPS98227899Oxygen Mask · failed testEMERGENCY 02 MASKS DEPLOYMENT FAILED DROP TEST AT THE FOLLOWING STATIONS 5RT, 6LT, 9RT, 10LT, 11RT, 12LT, 16RT, 17RT, 18LT, 18RT, 19RT AND AFT LAV. ADJUSTED MASKS AND RECOILED, OPS CHECK GOOD.
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