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 96ZZZX2893Mask · defectivePULL STREAMERS FOR ACTIVATING PASSENGER OXYGEN SYSTEMS FAILED THE PULL TEST. INSPECTION OF ALL STREAMERS IN STOCK RESULTED IN IDENTIFYING APPROXIMATELY 20 PERCENT DEFECTIVE, I.E., BAD CRIMPS, CRIMPS SLIPPING AND FRAYED STRINGS. BOEING AIRCRAFT HAS BEEN NOTIFMay 6, 1996SDR 96ZZZX2854Mask · defectivePULL STREAMERS FOR ACTIVATING PASSENGER OXYGEN SYSTEMS FAILED THE PULL TEST. INSPECTION OF ALL STREAMERS IN STOCK RESULTED IN IDENTIFYING APPROXIMATELY 20 PERCENT DEFECTIVE, I.E., BAD CRIMPS, CRIMPS SLIPPING AND FRAYED STRINGS. BOEING AIRCRAFT HAS BEEN NOTIFMay 6, 1996SDR 96ZZZM998Oxygen Line · looseON FLT 230 - DFW-ATL - THE CABIN OXYGEN SYSTEM MANUALLY SURGED, OXYGEN MASKS DOORS DID NOT OPEN. CONNECTED SUPPLY LINE TO AFT FLIGHT ATTENDANT PSU AND OPERATED CABIN OXYGEN SYSTEM, ALL PSU DOORS DROPPED, OPS CHECK GOOD.Apr 22, 1996 · N911VV · Doug DC932SDR 96ZZZX2413Oxygen Mask · fail deployDURING ROUTINE MAINTENANCE, THE OXYGEN AUTO-DEPLOY SYSTEM WAS ACTIVATED. ALL MASKS FAILED TO DEPLOY. THE CAUSE WAS THE NEW HEADLINER MATERIAL THICKNESS WHICH PREVENTED THE ACTUATOR PLUNGER FROM CONTACTING THE STRIKER PLATE ON THE MASK CONTAINER. THIS IS THEMar 29, 1996 · N7775 · Beech F90SDR 96ZZZX2844Oxy Regulator · failedATL/CMH - FLT 274 - ALL THE PASSENGER MASKS DEPLOYED IN-FLIGHT. PERFORMED DROP AND LEAK CHECK, FOUND THE PASSENGER OXYGEN REGULATOR LEAKING. REMOVED AND REPLACED REGULATOR PER MM 35-20, OPS CHECK GOOD, NO LEAKS NOTED.Mar 22, 1996 · N916VV · Doug DC932SDR AU960451Connector · high resistance(AUS) DURING AN OPERATIONAL TEST OF THE MANUAL MASK RELEASE FOR PASSENGER OXYGEN, A NUMBER OF MASK PANELS FAILED TO RELEASE -INVESTIGATION FOUND THAT CONNECTOR 2773VC AT STN 925 HAD A HIGH RESISTANCE CAUSING A FLOATING VOLTAGEFeb 25, 1996 · Airbus A320212SDR 96ZZZM681Oxy Masks · droppedON FLT NR 248 - AIR RETURN, DURING CLIMB-OUT OF ATL IN MANUAL PRESSURE AND CABIN AT 5000 FEET. CLIMBING AT 500 FPM NR 1 FLIGHT ATTENDANT ADVISED THE CREW THAT ALL OXYGEN MASKS HAD DROPPED. NO WARNING FROM THE COCKPIT AND NO CABIN PRESSURE LIGHT. PERFORMED OFeb 19, 1996 · N921VV · Doug DC932SDR AU960118Housing · cracked(AUS) AIRCRAFT CABIN CREW OXYGEN REGULATOR OUTLET HOUSING CRACKED - OXYGEN LEAKING WHEN SELECTED 'ON' - SUSPECT CRACKING CAUSED BY OVERTIGHTENING OF THE FITTING INTO THE REGULATOR - PERSONNEL/MAINTENANCE ERRORJan 31, 1996 · Israel 1124SDR 9600879861Regulator · malfunctionedDURING CHECK OF PASSENGER OXYGEN SYSTEM IN MANUAL POSITION, PRESSURE ROSE TO 60 PSI AND OXYGEN MASKS WERE DEPLOYED THROUGHOUT THE CABIN. REPLACED THE PASSENGER OXYGEN BOTTLE AND REGULATOR, RE-STOWED ALL MASKS. OPERATIONAL CHECK NORMAL AND AIRCRAFT RETURNED TJan 12, 1996 · N770NC · Doug DC951SDR C1HA96002Oxygen Line · brokenDEPLOYED MASK IAW RAPID CABIN DEPRESSURIZATION CHECK LIST AND MASK DID NOT DEPLOY. CABIN CLIMBED THROUGH 16,000 FEET AND DID NOT DEPLOY AUTOMATICALLY. FOUND OXYGEN LINE BROKEN. REMOVED AND REPLACED. OPS CHECK GOOD. (X)Jan 2, 1996 · N802MG · Doug DC862SDR SWAA950795Oxygen Masks · deployedCABIN O2 MASKS DEPLOYED DURING CLIMBOUT. AIRCRAFT RETURNED TO LAS AND MADE AN UNEVENTFUL LANDING. REPACKED MASKS, REPLACED O2 GENERATORS, AND PRESSURIZATION CHECKED AIRCRAFT PER BOEING M/M.Dec 23, 1995 · N347SW · Boeing 7373H4SDR 96ZZZX19Mask · tornMASK RUBBER FACE CUP IS TORN. ON THIS ACFT, 6 MASKS WERE FOUND UNSERVICABLE. ALL MASKS HAD THE SAME DISCREPANCY. ONE NEW MASK WAS FOUND TORN PRIOR TO INSTALLATION, ITS MFG DATE WAS 6-95. P/N WAS SAME, BUT AT REV. U.Dec 13, 1995 · N544QS · Braero BAE1251000SDR 9520459153Oxy Manifolds · malfunctionedDURING PERIODIC CHECK, MULTIPLE OXYGEN SYSTEM MANIFOLDS FAILED SYSTEM CHECK. REPLACED MANIFOLDS. OPERATIONAL CHECK OK.Dec 13, 1995 · N8912E · Doug DC914SDR 96ZZZX731Mask · splitRUBBER ON PASSENGER OXYGEN MASK SPLITTING AT BASE OF MASK. PROCEEDED TO INVESTIGATE AIRCRAFT IN FACILITY AND FOUND 2 OF 6 AIRCRAFT WITH THE SAME PROBLEM. BOTH AIRCRAFT CONTAINED 13 PASSENGER OXYGEN MASKS AND EACH HAD TWO DEFECTIVE UNITS. THESE OXYGEN MASKS Dec 11, 1995 · N667H · Beech HAWKER800XPSDR 96ZZZX730Mask · splitRUBBER ON PASSENGER OXYGEN MASK SPLITTING AT BASE OF MASK. PROCEEDED TO INVESTIGATE AIRCRAFT IN FACILITY AND FOUND 2 OF 6 AIRCRAFT WITH THE SAME PROBLEM. BOTH AIRCRAFT CONTAINED 13 PASSENGER OXYGEN MASKS AND EACH HAD TWO DEFECTIVE UNITS. THESE OXYGEN MASKS Dec 11, 1995 · N817H · Beech HAWKER800XPSDR DL757954088Pbe · defectiveDURING PREFLIGHT, PBE CONDITION INDICATOR BUTTON WAS FOUND PUSHED UP. REPLACED PBE ASSEMBLY.Oct 24, 1995 · N663DN · Boeing 757232SDR CA951030009Fitting · corroded(CAN)DURING THE ROUTINE INSPECTION AND TEST OF THE OXYGEN SYSTEM A HISSING NOISE WAS DETECTED EMANATING FROM BEHIND THE LEFT SIDE PANEL OF THE CABIN. UPON FURTHER INVESTIGATION THE UNION FITTING IN THE OXY GEN LINE AT FUSELAGE STA. 176.5 BETWEEN LINE P/N 50560Oct 19, 1995 · Beech B90SDR 9514089971Oxygen Mask · failed to deployDURING OXYGEN MASK DEPLOYMENT DUE TO LOSS OF CABIN PRESSURIZATION, MASKS AT ROW 14 AND RIGHT AFT LAVATORY FAILED TO DEPLOY. ADJUSTED BOTH SYSTEMS TO PROPER LIMITS. OPERATIONAL CHECK OK AND AIRCRAFT RETURNED TO SERVICE.Sep 8, 1995 · N93335 · Doug DC931SDR DL72W953581Oxygen Masks · failed testREF OPER 6821 - DURING O/2 DROP CHECK, MASK PANELS DID NOT OPEN AT SEATS 2AB, 13ABC, AND 28DEF. FOUND AT F-1 LTR CHECK. REPLACED PSU PANELS, OPERATION NORMAL.Sep 1, 1995 · N295WA · Boeing 727247SDR 95ZZZX4608Altitude Switch · defectiveDURING PHASE 5 INSPECTION, OXYGEN SYSTEM FAILED FUNCTIONAL CHECK. OXYGEN MASK DEPLOYED AT 12,400 FEET WHEN THEY SHOULD DEPLOY AT 13,500 FEET, PLUS OR MINUS 600 FEET. DEFECTIVE BAROMETRIC ALTITUDE SWITCH CAUSED DISCREPANCY. INTERNAL FAILURE OF WEAKNESS OF SWAug 25, 1995 · N109GA · Cessna 550SDR 95UAL900089Oxygen Masks · deployedSHORTLY AFTER DEPARTURE COS, FLIGHT EXPERIENCED DEPLOYMENT OF ALL OXYGEN MASKS. MASKS DROPPED DUE TO PACKS BEING OFF DURING TAKEOFF. SYSTEM OPERATED PROPERLY.Aug 14, 1995 · N325UA · Boeing 737322SDR 95ZZZX4464Mask · tornDURING PHASE 1 INSPECTION, FOUND 3 CABIN OXYGEN MASKS WITH TORN FACE MASK. WHERE THE RUBBER FACE MASK MEETS THE PLASTIC NOSE PIECE, APPEARS TO BE A WEAK AREA PRONE TO TEARING. SUBMITTER STATED THIS CONDITION IS COMMON ON THIS TYPE OF MASK.Aug 1, 1995 · N211QS · Cessna S550SDR WWMA9500044O2 Mask · deployedFLIGHT 3243 - BFL/LAX - PILOT REPORTED THAT THE O2 MASK AT SEAT 7A DEPLOYED FOR NO APPARENT REASON. MAINTENANCE PERSONNEL RESTOWED THE MASK AND THE AIRCRAFT WAS RELEASED BACK TO SERVICE.Jun 12, 1995 · N969AE · Bag JETSTM3201SDR WWMA9500040O2 Masks · deployedFLIGHT 3240 - LAX/PSP - PILOT REPORTED THAT UPON LANDING IN PSP AND WHILE TAXIING THE O2 MASKS AT SEATS 2B/C DEPLOYED BY THEMSELVES. THE O2 SYSTEM WAS DEFERRED PER MEL AUTHORITY 35-01 AND THE AIRCRAFT RETURNED TO LAX AT WHICH TIME MAINTENANCE PERSONNEL RESTOWMay 24, 1995 · N946AE · Bag JETSTM3201SDR 95ZZZX2607Pressure Unit · defectiveDURING PASSENGER OXYGEN SYSTEM FUNCTIONAL TEST OF A NEWLY INSTALLED SYSTEM IN A GULFSTREAM GIV, IT WAS FOUND THAT NUMEROUS PASSENGER OXYGEN MASKS HAD REDUCED OR NO FLOW. SYSTEM IS INSTALLED PER STC SA 1473S0 DURING INTERIOR OUTFITTING.May 8, 1995 · Gulstm G1159CSDR 95ZZZX2608Pressure Unit · defectiveDURING CABIN OXYGEN OPS CHECK, FLOW RATE INDICATED 2.5 TO 2.8 LPM DEPENDING ON BOX TESTED, FORWARD LAV MASKS WOULD NOT FLOW AT ALL UNTIL 30,200 FEET WAS REVEALED ON TEST BOX.Apr 28, 1995 · N405GA · Gulstm GIVSDR 95ZZZX1485Shut-Off Valve · wrong partCREW REPORTED PASSENGER OXYGEN SYSTEM LEAKING. INSPECTED SYSTEM AND FOUND OXYGEN PRESSURE REDUCER/SHUT-OFF VALVE LEAKING. REMOVED VALVE, PN FR-142-A2, SN 91255. ORDERED SAME UNIT AND WAS INFORMED THE PART WAS REALLY A PN FR-141-A2 AND WAS MIS-LABLED AS A FRMar 8, 1995 · N711RL · Gulstm G1159SDR 95ZZZW495Pbe Mask · malfunctionFORWARD CABIN PBE MASK RED IND SHOWING. REMOVED AND REPLACED PBE ASSY. (W)Mar 6, 1995 · N606AW · Bag BAE146200ASDR 95UAL727022Mask · malfunctionDURING O2 SYSTEM TROUBLESHOOTING FOR LEAKS PASSENGER MASKS WERE DROPPED INADVERTENTLY. NOT ALL DROPPED AS REQUIRED. ALL LAV AND FLIGHT ATTENDANT PANELS ARE PAINTED SHUT AND NUMEROUS PASSENGER PANELS DID NOT OPEN. FLIGHT ATTENDANT LAV PSU DOORS ON FLEET CHECMar 6, 1995 · N7271U · Boeing 727222SDR 95ZZZW474Hose · kinkedOXYGEN PASSENGER BOTTLE S/N 101 (CONTROL HEAD S/N) HAS ITS MASK HOSE KINKED AND OXYGEN WILL NOT FLOW TO THE MASK. REMOVED AND REPLACED OXYGEN MASK ASSY. OPS CHECKED OK AT THIS TIME. (W)Feb 13, 1995 · N609AW · Bag BAE146200ASDR WWMA9500016Oxy Masks · deployedFLIGHT NR 5244 (FAT/LAX) PILOT REPORTED SEAT 6A OXYGEN MASK DEPLOYED. MAINTENANCE RESECURED OXYGEN MASK AND THE AIRCRAFT WAS RETURNED TO SERVICE.Jan 26, 1995 · N963AE · Bag JETSTM3201SDR 95ZZZX1748Lanyard · failedLANYARD FOR ACTIVATING PASSENGER CHEMICAL OXYGEN SYSTEM FAILED DURING ACTIVATION TEST. INSPECTION OR OTHER LANYARDS ON THE ACFT RESULTED IN APPROXIMATELY 50 PERCENT FAILURE RATE. ALL LANYARDS REPLACED WITH NEW SERVICEABLE LANYARDS. OXYGEN ASSEMBLY MANUFACTUJan 26, 1995 · N2FOR · Boeing 76727GSDR COM60399Oxy Module · defectiveROUTINE CHECK INSPECTION, FOUND SEAT 9A OXYGEN MASK WILL NOT DEPLOY. REPLACED THE EMERGENCY O2 MODULE.Jan 25, 1995 · N916CA · Cndair CL6002B19SDR WWMA9500011O2 Box Cover · fell downFLT 5027 - SAN-LAX - PILOT REPORTED THAT DURING FLIGHT THE O2 MASK COVER AT SEAT 2B/C FELL DOWN EXPOSING THE MASKS. MAINTENANCE PERSONNEL RESTOWED THE MASKS, AND THE AIRCRAFT WAS RETURNED TO SERVICE.Jan 19, 1995 · N964AE · Bag JETSTM3201
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