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 VJ9800414Manifold · failedPAX O2 SYSTEM INOP. LEAKING O2 BOTTLE OFF FOR PAX SYSTEM. REMOVED AND REPLACED ROW 23B PSU MANIFOLD. RESTOWED MASK PIN IN AFT F/A MASK.Sep 20, 1998 · N921VV · Doug DC932SDR EISA98221Oxygen Panel · malfunctionedDURING CRUISE FLIGHT, BLUE OXYGEN LIGHTS AT FLIGHT ATTENDANT JUMPSEAT ILLUMINATED. AFTER TESTING COCKPIT ANNUNCIATOR. THE CABIN OXYGEN LIGHTS IN COCKPIT ILLUMINATED AIR TURN BACK TO ACY FOR MAINTENANCE. GENERATED FROM PILOT REPORT. PERFORMED OPS CHECK IAW 3Sep 19, 1998 · N950VJ · Doug DC931SDR VJ9800377Manifold · inoperativeALL PASSENGER OXYGEN MASKS DEPLOYED WHEN CREW TURNED ON OXYGEN. REPLACED REGULATOR (P/N 900-002-007-6), (S/N 425). SUSEQUENTLY REPACKED MASKS AND PERFORMED OXYGEN MASK DROP AND ALL EXCEPT PASSENGER SEAT ROW 24DEF SUCESSFULLY DEPLOYED. REPLACED PASSENGER OXYSep 12, 1998 · N945VV · Doug DC932SDR 98ZZZX3971Valve · defectiveATW - OXYGEN BOX 8RT. OXYGEN SHUT OFF WILL NOT STOP FLOW COMPLETELY. REMOVED AND REPLACED OXYGEN MASK AT 8RT. OPS AND LEAK CHECKS OK.Aug 31, 1998 · N179US · Bag BAE146200ASDR CA980916004Oxygen Mask · wrong part(CAN) PART NUMBER K38667 DROP-OUT OXYGEN MASK ASSY [65 PSI SYSTEM] FOUND TO BE INSTALLED ON POST MOD 50043A - BAROMETRIC VALVE AUTOMATIC DROP-OUT [5-9 PSI SYSTEM] AIRCRAFT. BAE PC SHOWS P/N K38667 MASK ASSY WITH AIRCRAFT EFFECTIVITY SERIAL NUMBERS 001-999. MAug 19, 1998 · Bag BAE146200ASDR 98ZZZX3535Oxygen Mask · activatedDEN - SEAT ROW 1R OXYGEN MASK DEPLOYED AND OXYGEN GENERATOR SET OFF. SECURED MODULE DOOR SHUT AND PLACED ON DMI. REPACKED OXYGEN MASK AND REPLACED OXYGEN GENERATOR. CLEARED DMI 8-20-98.Aug 18, 1998 · Airbus A320231SDR AU981060Oxygen Bottle · inoperative(AUS) PASSENGER OXYGEN BOTTLES (6 OFF) LOCATED IN THE CEILING OF THE FORWARD CARGO HOLD HAD THE LOCKWIRE BROKEN AND WERE TURNED OFF.Aug 6, 1998 · Boeing 747438SDR 99ZZZM599Mask · crackedFORWARD AFT FACING F/A OXYGEN BOTTLE, MASK FACE PIECE CRACKED. REPLACED OXYGEN MASK, OPS CHECKS OK. (M)Jul 28, 1998 · N611AW · Bag BAE146300ASDR 99ZZZM600Valve · failedCABIN OXYGEN SYSTEM FAILED LEAK CHECK. TROUBLESHOOT SYSTEM. REPLACED PAX ISO VLV, 5 QUICK DISC (OUTLETS), 4 RT BOX ASSY. SEE W/C'S FOR PARTS CHANGED, SYSTEM LEAK CHECKS OK. (M)Jul 27, 1998 · N611AW · Bag BAE146300ASDR 99ZZZM591Mask · tornOXYGEN MASK AT 9 RT FACE PIECE TORN. REPLACED OXYGEN MASK 9 RT, OPS AND LEAK CHECKS OK. (M)Jul 27, 1998 · N611AW · Bag BAE146300ASDR 99ZZZM585Outlets · leakingFOUND OXYGEN OUTLETS AT RT 6, 14, 17, 20, AND 21 LEAKING. REPLACED OUTLETS AT RT 6, 14, 17, 20, AND 21. LEAK CHECK OK. (M)Jul 27, 1998 · N611AW · Bag BAE146300ASDR 99ZZZM583Oxygen Box · leakingFOUND OXYGEN BOX AT 4 RT LEAKING THROUGH MASK WITH PIN INSTALLED. REPLACED OXYGEN BOX ASSY, OPS AND LEAK CHECKS OK.Jul 27, 1998 · N611AW · Bag BAE146300ASDR 99ZZZM580Manifold · leakingFOUND 4 RT OXYGEN BOX, 2 MASK LEAKING WITH PINS INSTALLED, OXYGEN MASK FACE PIECE TORN. REPLACED 4 RIGHT OXYGEN MANIFOLD, OPS AND LEAK CHECKS OK. REPLACED MASK ASSY, LEAK AND OPS CHECKS OK. (M)Jul 23, 1998 · N611AW · Bag BAE146300ASDR SCNA98528Doors · failed testDURING HEAVY CHECK, THE PASSENGER OXYGEN SYSTEM WAS FUNCTIONALLY TESTED AND SEVERAL COMPARTMENT DOORS DID NOT OPEN. REPAIRS TO WIRING AND RESET CBU SEB PERFORMED, OXYGEN DROP PER MM 352000, OPS CHECKS GOOD.Jul 15, 1998 · N152SY · Doug DC1015SDR VJ9800215Oxygen Mask · deployedWITH PRESSURIZATION IN MANUAL MODE, OXYGEN MASKS DEPLOYED IN BUSINESS CLASS SECTION, FLT ATTENDANT STATIONS AND 8 POSITIONS IN COACH CLASS ON DESCENT FOR LANDING. REPACKED OXYGEN MASKS AND FLEW AIRCRAFT BELOW FL100 FROM MEM TO ATL. INSPECTED AIRCRAFT AND NO Jul 2, 1998 · N913VV · Doug DC932SDR DLL13981327Timer · inoperativeMASKS DID NOT DROP IN D-ZONE DURING OXY DROP CHECK. REPLACED SEQUENCING TIMER (P/N 25720481) OPS CHECK GOOD.Jun 21, 1998 · N786DL · Lkheed 10113851SDR 99ZZZM427Valve · failedCABIN OXYGEN MASKS AT RIGHT SIDE ROW 2 DEF VALVE PISTON FAIL TEST. REMOVED AND REPLACED VALVE AT SEAT 2 DEF, OPS CHECK GOOD. (M)Jun 19, 1998 · N612AW · Bag BAE146300ASDR 98ZZZM937String · misinstalledOXYGEN CABIN DROP DOORS FOR MASKS AT POS RIGHT 7 DEF, RT 8 DEF, RT 12 DEF AND LT 5 ABC STRING HINGES ARE NOT LONG ENOUGH FOR DOOR TO SWING OPEN FULLY. ADJUSTED AND CHANGED STRINGS AT RT SIDE 7 DEF, 8 DEF, 12 DEF AND LT 5 ABC. ALL DOORS SWING FREE. OK FOR SEJun 19, 1998 · N612AW · Bag BAE146300ASDR 98ZZZM908Laynard · wornOXYGEN MASK AT 20 RT REBREATHER FEL HAS HOLES AND PIN STRING FRAYED, 11 LT. REBREATHER FELT HAS HOLES. REPLACED FELTS RT 20, 11 LT. REPLACED LANYARD 20 RT. CHECKS OK. (M)Jun 19, 1998 · N612AW · Bag BAE146300ASDR COMA9810133Solenoid · inoperativeDURING 1C INSPECTION TASK 35-09, THE ROW 4 OXYGEN DOOR LATCH MECHANISM FAILED TO OPEN THE DOOR AND RELEASE THE OXYGEN MASKS. REPLACED THE SOLENOID FOR ROW 4 OXYGEN DOOR.Jun 4, 1998 · N261CA · Emb EMB120RTSDR SCNA98509Latch Solenoid · inoperativeDURING HEAVY CHECK, THE FLIGHT ATTENDANT L-4 OXYGEN BOX WOULD NOT OPEN DURING OXYGEN DROP CHECK. REMOVED AND REPLACED LATCH SOLENOID AT L-4 FLIGHT ATTENDANT STATION OXYGEN BOX PER MM 35-20-00, OPERATIONAL CHECKS GOOD PER MM 35-20-00.May 26, 1998 · N151SY · Doug DC1015SDR 99ZZZM470Mask · tornCAIN OXYGEN MASKS FOR PASSENGERS FILTERS TORN SEAT 3A, 10B, 12A, 12B, 14C, 15C, 13E, 10F. REMOVED AND REPLACED FILTER TO PER COMPONENT MM TO 3A, 10B, 12A, 12B, 14C, 15C, 13E, 10F. (M)May 21, 1998 · N463AP · Bag BAE146100ASDR CALA9800821Latch · failedOXYGEN COMPARTMENT DOORS DID NOT OPEN ABOVE THE FOLLOWING SEATS, 1A 1D 1E 2D 16A 16E AND 34G. REPLACED DOORS PER MM 35-20-00.May 11, 1998 · N68041 · Doug DC1010SDR CALA9800746Oxy Contl Unit · failedFWD OXYGEN PASSENGER DROP FAILED FUNCTIONAL TEST. REPLACED OXYGEN CONTROL UNIT AND PERFORMED PNEUMATIC OXYGEN DROP PER MM 35-21-00.May 3, 1998 · N10791 · Boeing 727232SDR CA980430037Head · blown plug(CAN) WHILE SERVICING THE OXYGEN SYSTEM AT APPROX 1600 PSI, THE OVER PRESSURE PLUG BLEW ALSO DISCHARGING THE BOTTLE AND BLOWING OUT THE DISCHARGE RELIEF INDICATOR. CAUSE UNKNOWN. BOTTLE RETURNED TO MANUFACTURER. PARTS REPLACED. PART TC: 2,555.Apr 7, 1998 · Pilats PC12SDR 98ZZZX3977Seal · brokenDEN - FORWARD CABIN PBE SEAL IS BROKEN, POUCH IS SOFT. REPLACED PBE.Mar 27, 1998 · N181US · Bag BAE146200ASDR UPS98226119Oxy Mask · deployedINSPECTION TYPE-N/A, ROW 19 O2 MASK DEPLOYED. REPLACED O2 MASK AS REQUIRED PER B727 PAX SUP 35-20-00.Mar 17, 1998 · N946UP · Boeing 72725CSDR VTZA98104Oxygen Masks · would not stowFLT 6543 - EWR-IAD - DURING TAXI, MADE A SCHEDULED LANDING AT IAD WITH ONE DISCREPANCY WHICH WAS OXYGEN MASKS AT ROW 5BC WILL NOT STOW. AIRCRAFT WENT TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND OPENED DMI 06992 MEL 35.1. MAINTENANCE CLOSED DMMar 4, 1998 · N302UE · Jetair JETSTM4101SDR ORJA9824Oxygen Masks · malfunctionedAT LEVEL FLIGHT FL 310, CABIN PRESSURE ALT AT 6,500. F/A NOTIFIED ALL OXYGEN MASKS HAD DROPPED. PASSENGERS ADVISED NOT TO PULL MASKS. CHECKEDF OR GENERATOR ACTIVATION. RESET DOORS, PERFORMED OXYGEN MASK EJECT SWITCH CHECK PER MM 35-20-00. OPS CHECK NORMALFeb 11, 1998 · N871RA · Doug DC983SDR UPS98225381Oxy Mask · deployedINSPECTION TYPE-N/A, PAX O2 INADVERTENTLY DEPLOYED. STOWED PAX O2 MASKS.Jan 6, 1998 · N946UP · Boeing 72725CSDR SCNA98001Encoder · failedDURING OXYGEN DROP FOR A SEAT REMOVAL, OXYGEN PANEL AT 8D DID NOT DEPLOY. REMOVED AND REPLACED UNDERSEAT ENCODER AT SEAT 8D PERFORMED OXYGEN DROP AGAIN, OPS CHECKED GOOD.Dec 25, 1997 · N153SY · Doug DC1015SDR 98ZZZX221Face Cushion · tornWHILE C/W RAYTHEON SB 35-3014 (INSPECTION OF PASSENGER OXYGEN FACE MASKS FOR TEARS IN FACE CUSHIONS), FIVE MASKS WERE FOUND TORN. THE CORE DATES WERE FROM 1986, NOT 1994 AS LISTED IN THE SB. SUBMITTER STATED THIS IS THE SECOND HAWKER 800 FOUND WITH EXACT SAMDec 23, 1997 · N961JC · Braero BAE125800ASDR 98ZZZX131Oxygen Unit · failedWHILE PERFORMING CABIN OXYGEN SYSTEM TEST, FOUND TEN MASKS IN SIX PRESENTATION UNITS WITH NO OXYGEN FLOW AFTER PULLING LANYARD. UNITS ARE MANUFACUTRED BY SCOTT AVIATION.Dec 22, 1997 · N721FF · Gulstm G1159ASDR 98ZZZX130Oxygen Unit · failedWHILE PERFORMING CABIN OXYGEN SYSTEM TEST, FOUND TEN MASKS IN SIX PRESENTATION UNITS WITH NO OXYGEN FLOW AFTER PULLING LANYARD. UNITS ARE MANUFACUTRED BY SCOTT AVIATION.Dec 22, 1997 · N721FF · Gulstm G1159ASDR 98ZZZX129Oxygen Unit · failedWHILE PERFORMING CABIN OXYGEN SYSTEM TEST, FOUND TEN MASKS IN SIX PRESENTATION UNITS WITH NO OXYGEN FLOW AFTER PULLING LANYARD. UNITS ARE MANUFACUTRED BY SCOTT AVIATION.Dec 22, 1997 · N721FF · Gulstm G1159ASDR 98ZZZX128Oxygen Unit · failedWHILE PERFORMING CABIN OXYGEN SYSTEM TEST, FOUND TEN MASKS IN SIX PRESENTATION UNITS WITH NO OXYGEN FLOW AFTER PULLING LANYARD. UNITS ARE MANUFACUTRED BY SCOTT AVIATION.Dec 22, 1997 · N721FF · Gulstm G1159ASDR 98ZZZX127Oxygen Unit · failedWHILE PERFORMING CABIN OXYGEN SYSTEM TEST, FOUND TEN MASKS IN SIX PRESENTATION UNITS WITH NO OXYGEN FLOW AFTER PULLING LANYARD. UNITS ARE MANUFACUTRED BY SCOTT AVIATION.Dec 22, 1997 · N721FF · Gulstm G1159ASDR 98ZZZX126Oxygen Unit · failedWHILE PERFORMING CABIN OXYGEN SYSTEM TEST, FOUND TEN MASKS IN SIX PRESENTATION UNITS WITH NO OXYGEN FLOW AFTER PULLING LANYARD. UNITS ARE MANUFACUTRED BY SCOTT AVIATION.Dec 22, 1997 · N721FF · Gulstm G1159ASDR 98ZZZX92Mask · tornTEAR IN MASK FACE CUSHION PER SB 35-3014 AND SB C351-2000-35. MASK DOES NOT FALL WITHIN SB'S COMPLIANCE EVEN THOUGH THE MASK EXHIBITS THE SAME TEARING AS SPECIFIED IN SB. SUBMITTER SUGGESTED SB C351-2000-35-1 BY PURITAN-BENNETT AND SB 35-3014 BY RAYTHEON SHODec 17, 1997 · N601RS · Braero BAE125800ASDR UPS97225330Oxy Generator · activatedINSPECTION TYPE-N/A, OXYGEN GEN ACTIVATED DURING DROP TEST AT SEAT 4-C. REPLACED O2 GEN PER MM 35-00-00.Dec 5, 1997 · N946UP · Boeing 72725CSDR AU971563Hose · failed(AUS) OXYGEN SYSTEM ON/OFF CONTROL CABLE FAILED. OXYGEN SYSTEM REMAINED ON FOR AN EXTENDED TIME CAUSING THE SUPPLY HOSE TO THE CASUALTY OXYGEN MASK TO RUPTURE AND ALLOWING THE OXYGEN SYSTEM TO DISCHARGE TO 0PSI.Dec 3, 1997 · Beech B200CSDR TWAA9714003Line · leakingSTL - FLT 694 - DURING CRUISE AND APPROACH, AN AIR LEAK WAS HEARD COMING FROM THE PASSENGER OXYGEN BOTTLE RELIEF LINE. REPLACED THE PASSENGER THERMAL OVERBOARD RELIEF LINE. (M)Dec 1, 1997 · N925L · Doug DC932SDR COMA9710483Solenoid · shortedON 1C TASK 35-09, THE OXYGEN MASKS AT ROW 9 FAILED TO DEPLOY. INVESTIGATION FOUND THE OXYGEN MASK DOOR SOLENOID TO BE SHORTED. THE SOLENOID WAS REPLACED WITH A NEW PART, OK FOR SERVICE.Nov 26, 1997 · N205CA · Emb EMB120RTSDR VTZA97671Oxygen Mask · deployedFLT 6239 - PHF-IAD - DURING TAXI, AIRCRAFT MADE A SCHEDULED LANDING WITH ONE DISCREPANCY WHICH WAS OXYGEN MASK ROW 2C DEPLOYED. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND OPENED DMI 57140, MEL 35-1. MAINTENANCE CLOSED DMI Nov 25, 1997 · N470UE · Bag JETSTM3201SDR VTZA97670Oxygen Mask · deployedFLT 6235 - IAD-CHO - DURING TAXI, AIRCRAFT MADE A SCHEDULED LANDING WITH ONE DISCREPANCY WHICH WAS ROW 4BC OXYGEN MASKS DEPLOYED. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND OPENED DMI 55727, MEL 35-1. MAINTENANCE CLOSED DMNov 25, 1997 · N491UE · Bag JETSTM3201SDR VJ970343Oxygen Mask · deployedDURING FLIGHT, PASSENGER OXYGEN MASK IN RT LAVATORY CAME OUT OF CONTAINER. INSPECTED AND REPACKED OXYGEN MASK IAW MM 35-20-00.Nov 7, 1997 · N937VV · Doug DC932SDR VTZA97622Oxy Mask · deployedFLT 6167 - RDU-IAD - DURING DESCENT, AIRCRAFT MADE AN SCHEDULED LANDING AT IAD WITH ONE DISCREPANCY WHICH WAS ROW 1BC OXYGEN MASKS DEPLOYED. AIRCRAFT WENT TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND REINSTALLED OXYGEN MASKS, OPS CHECK OK. AINov 6, 1997 · N478UE · Bag JETSTM3201SDR VTZA97596Stowage Box · failedROA/IAD - FLT 6308 - DURING TAXI ON 10-23-97 AT 0920 HOURS, AIRCRAFT MADE A SCHEDULED LANDING AT IAD WITH ONE DISCREPANCY WHICH WAS ROW 1B/C OXYGEN MASKS DEPLOYED. AIRCRAFT WENT TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE OPENED DMI 55780, MEL 35-1. MAINTOct 23, 1997 · N490UE · Bag JETSTM3201SDR VTZA97539Oxygen Mask · brokenFLT 6568 - IAD-SCE - DURING AN FAA INSPECTION, DEPLOYED OXYGEN MASK FOR INSPECTION. ONE MASK HAD LOOSE SCREW THAT HELD BAND TOGETHER. MAINTENANCE INSPECTED AND RESTORED MASKS AND REMOVED AND REPLACED ONE MASK. OPS CHECK OK. AIRCRAFT WAS RELEASED AND APPROVOct 8, 1997 · N495UE · Bag JETSTM3201SDR 98ZZZM40Oxygen Mask · failedOXYGEN MASK AT 15 LT FLOW IND INOP. REPLACED OXYGEN MASK ASSY T 15 LT, OPS CHECK, LEAK CHECK AND FLOW CHECK OK.Oct 4, 1997 · N615AW · Bag BAE146300A
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