JASC 2133

Service difficulty reports · 1,711

Reports filed under 2133 · Pressure Regulator/Outflow Valve, 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 = '2133'
  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 USAAD97071Outflow Valve · failedCLT/DTW - FLT 998 - WHILE AT CRUISE, CABIN ALTITUDE (RED ANNUNCIATOR) LIGHT ILLUMINATED. ACCOMPLISHED EMERGENCY DESCENT. WHILE DESCENDING, RETAINED CONTROL OF CABIN ALTITUDE IN MANUAL. ON APPROACH, CABIN PRESSURE WAS LOST AT 2,500 FEET AGL. DIVERTED TO PITApr 22, 1997 · N986VJ · Doug DC931SDR USAABB97041Outflow Valve · failedBOS - FLT 1049 - AFTER TAKEOFF, CREW RECEIVED THE EICAS MESSAGES 'CABIN ALT INOP', 'CABIN ALT AUTO 1' AND 'CABIN ALT AUTO 2'. CREW COULD NOT CONTROL PRESSURIZATION IN MANUAL. FLIGHT RETURNED TO BOS AND LANDED WITH NO FURTHER INCIDENT. MAINTENANCE REPLACED TApr 10, 1997 · N630AU · Boeing 7572B7SDR USAAF97036Outflow Valve · stuck openFLT 1227 - CLT-IAD - AFTER TAKEOFF FROM CLT, THE AIRCRAFT WOULD NOT PRESSURIZE. FLIGHT RETURNED TO CLT. MAINTENANCE REPLACED THE PRIMARY OUTFLOW VALVE. (M)Apr 8, 1997 · N863US · Fokker F28MK0100SDR 97ZZZM574Outflow Valve · jammedFRY KBWI-KMIA - FLT F429 - DURING CLIMB STAGE LOST PARTIAL PRESSURIZATION. DESCENDED TO A LOWER ALTITUDE AND WERE ABLE TO HOLD PRESSURIZATION, LANDING UNEVENTFUL. INSPECTED AIRCRAFT FOR ABNORMAL CONDITIONS, FOUND ONE INSULATION BLANKET, P/N (6567242475) STUCApr 5, 1997 · N266US · Boeing 727251SDR C2XA97CL031Outflow Valve · leakingCLE - FLT 3295 - CREW REPORTED, THAT THE AIRCRAFT WOULD NOT HOLD PRESSURIZATION IN AUTO OR MANUAL MODES. AIRCRAFT RETURN TO FIELD. MAINTENANCE INSPECTED THE AIRCRAFT THEN REMOVED AND REPLACED THE ELECTRO-PNEUMATIC OUTFLOW VALVE IAW EMB-120 MM 21-30-03. OPERMar 30, 1997 · N15721 · Emb EMB120RTSDR 97UAL900228Outflow Valve · malfunctionedFLIGHT RETURNED TO DENVER DUE TO CABIN PRESSURE PROBLEMS. LANDING WAS NORMAL. *S/D* AIRCRAFT WOULD NOT PRESSURIZE, RT PACK HI, OUTFLOW VALVE CLOSED, IN AUTO OR STANDBY, BOTH BLEEDS ON. USING APU BLEED, NO HELP. REPLACED FORWARD AND AFT OUTFLOW VALVES, OPSMar 20, 1997 · N355UA · Boeing 737322SDR 9705119949Actuator · failedAIRCRAFT WOULD NOT PRESSURIZE AFTER TAKEOFF, FLIGHT RETURNED TO MSP AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED OUTFLOW VALVE ACTUATOR. OPERATIONAL CHECK NORMAL. AIRCRAFT RETURNED TO SERVICE.Mar 8, 1997 · N8928E · Doug DC931SDR 9703119886Actuator · failedAFTER TAKEOFF, UNABLE TO PRESSURIZE THE AIRCRAFT. FLIGHT RETURNED TO DTW AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE OUTFLOW VALVE ACTUATOR, SYSTEM OPERATIONAL CHECK OK.Feb 13, 1997 · N600TR · Doug DC951SDR 97ZZZX1026Valve · clamp defectivePILOT REPORTED THAT CABIN PRESSURIZED ON GROUND. FOUND VACUUM HOSES TO OUTFLOW AND SAFETY VALVES HAD DEFECTIVE HOSE CLAMPS. REPLACED CLAMPS, OPS CHECK SATISFACTORY.Feb 11, 1997 · N122RF · Beech 200BEECHSDR 97ZZZX1626Outflow Valve · defectiveKTEB/KBWI - FLT 8038 - AIRCRAFT WAS NOT PRESSURIZING, CABIN WAS CLIMBING WITH AIRCRAFT. FOUND DEFECTIVE OUTFLOW VALVE.Feb 4, 1997 · N16FE · Cessna 650SDR 9702219903Outflow Valve · malfunctionedAUTO CABIN PRESSURIZATION FAILED AFTER TAKEOFF. FLIGHT RETURNED TO CLE AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED OUTFLOW VALVE ACTUATOR. OPERATIONAL CHECK NORMAL. AIRCRAFT RETURNED TO SERVICE.Feb 4, 1997 · N953N · Doug DC931SDR W8PA970014Outflow Valve · failedAT CRUISE, CABIN ALTITUDE CLIMBED TO 10,000 FEET. UNABLE TO CONTROL IN MANUAL. REPLACED OUTFLOW VALVE. (M)Feb 3, 1997 · N951WP · Boeing 7373B7SDR VTZA97116Outflow Valve · dirtyFLT 6361 - ROC-IAD - DURING DESCENT, LANDED WITH WITH ONE DISCREPANCY DUE TO PRESSURIZATION WENT FROM 4.8 PSI DIFF TO ZERO IN APPROX 10 SECONDS. AIRCRAFT LANDED AT IAD AND WENT TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND OPEN DMI 06246, MEL 2Jan 24, 1997 · N478UE · Bag JETSTM3201SDR ASOA97005Outflow Valve · malfunctionedINBOUND ATL-VPS AT APPROX 70 MILES OUT AND FL 220, EXPERIENCED A PRESSURE SPIKE AND NOTED THE CABIN ALT CLIMBING. CREW MADE AN EMERGENCY DESCENT TO 10,000 FEET AND THE OXYGEN MASKS DEPLOYED. THE FLT CONTINUED TO VPS WHERE LANDING WAS MADE SAFELY AND WITHOUTJan 21, 1997 · N240AS · Emb EMB120RTSDR 9700919763Out Flow Valve · failedAFTER TAKEOFF, THE AIRCRAFT WOULD NOT PRESSURIZE. FOLLOWED COCKPIT OPERATING MANUAL PROCEDURE. FLIGHT RETURNED TO MSP AND LANDED WITHOUT INCIDENT. REPLACED OUTFLOW VALVE ACTUATOR, OPERATIONAL CHECK OK.Jan 19, 1997 · N763NW · Doug DC941SDR DL76S970264Outflow Valve · failedON CLIMBOUT, CABIN AUTO INOP EICAS WITH CABIN ALT AUTO 2 AND CABIN ALT 1 EICAS STATUS MESSAGE. RETURN TO LAX. REPLACED OUTFLOW VALVE, SYSTEM CHECKS NORMAL.Jan 12, 1997 · N121DE · Boeing 767332SDR DL76S970050Outflow Valve · malfunctionedUNABLE TO PRESSURIZE A/C AFTER TAKEOFF. A/C RETURNED LAX. REPLACED OUTFLOW VALVE, OPS CHECK NORMAL.Jan 11, 1997 · N131DN · Boeing 767332SDR 97ZZZM222Outflow Valve · malfunctionedBUF - FL 303, FLIGHT RETURNED TO BUF DUE TO PRESSURIZATION FAULT AT 8,000 FEET. NO EMERGENCY WAS DECLARED AND THE FLIGHT LANDED WITHOUT INCIDENT. MAINTENANCE REMOVED AND REPLACED THE PRESSURE CONTROLLER AND THE AFT OUTFLOW VALVE. OPERATIONAL CHECK GOOD. REJan 7, 1997 · N266AU · Boeing 7372B7SDR 9700369101Outflow Valve · malfunctionedDURING CLIMBOUT, COULD NOT STOP CABIN FROM CLIMBING ABOVE 8,000 FEET WITH AIRCRAFT ABOVE 17,000 FEET. COULD NOT GET CABIN TO DESCEND WITH POWER BELOW 70 PERCENT AUTO OR MANUAL. FLIGHT DIVERTED TO DTW AND LANDED WITHOUT INCIDENT. MAINTENANCE FOUND OUTFLOW LIJan 6, 1997 · N91S · Doug DC915SDR 9700083209Outflow Valve · malfunctionedWHILE CLIMBING THROUGH 14,000 FEET, RECEIVED EXCESS CABIN ALTITUDE WARNING. NO ECAM WARNINGS WERE PRESENT PRIOR TO WARNING. OXYGEN MASKS DEPLOYED AND CREW FOLLOWED COCKPIT OPERATING MANUAL PROCEDURES. WHILE SWITCHING TO MANUAL PRESSURIZATION, RECEIVED FIRSTJan 4, 1997 · N309US · Airbus A320211SDR 97ZZZX461Eva Tubing · meltedINVESTIGATION FOR MELTED AND COLLAPSED EVA OUTFLOW VALVE TUBING FOUND CABIN AFT VENT WAS BLOCKED WITH BAGGAGE AND AIR VENT WAS DETACHED. APPARENTLY CABIN AIR (HEAT) WAS SUFFICIENT ENOUGH TO MELT/COLLAPSE TUBING. THE ONLY DAMAGED TUBING WAS AT THE AREA OF THEJan 2, 1997 · N531CB · Beech B100SDR 97ZZZM199Outflow Valve · inoperativeFLL - FLT 676 - AT FL 330, AIRCRAFT OVERPRESSURIZING. UNABLE TO CONTROL IN ANY MODE. REMOVE AND REPLACE OUTFLOW VALVE. (M)Jan 1, 1997 · N806MA · Boeing 727225SDR 96UAL900942Out Flow Valve · failedUNABLE TO PRESSURIZE CABIN IN ANY MODE. OUTFLOW VALVE SHOWS FULL CLOSED, LOUD AIR NOISE COMING FROM DOOR ONE LEFT. *S/D* FOUND OUTFLOW VALVE NOT CLOSING. AC MOTOR CLOSE LIMIT SWITCH NOT OPERATING. REPLACED AFT OUTFLOW VALVE, OPS CHECK GOOD.Dec 16, 1996 · N323UA · Boeing 737322SDR 96UAL900941Press Reg Valve · failedCREW REPORTS, UNABLE TO PRESSURIZE AIRCRAFT WITH RIGHT PACK, OUTFLOW VALVE FULLY CLOSED. TRIED OTHER PACK, NO HELP. TRIED MANUAL AND AUTO, NO HELP. *S/D* REPAIRED DOOR 2L LEAK AND REPLACED PRESSURE REGULATOR VALVE, OPS CHECK GOOD.Dec 16, 1996 · N9016U · Boeing 737222SDR EISA96282Outflow Vlv · inoperativeCABIN PRESSURE CONTROL SYSTEM MALFUNCTIONED IN CLIMB. FAILED IN STANDBY MODE TO FULL CABIN DESCENT, SWITCHED TO MANUAL DC FAILED OPS PER AOM VOL 1. REMOVED AND REPLACED OUTFLOW VALVE PER MM. OPS CHECK GOOD PER GROUND OPS PROCEDURE. (M)Dec 1, 1996 · N368PA · Boeing 727221SDR 96FDEA01687Regulator · malfunctionedAFTER NR 2 ENG START CABIN AUTO PRESS NR 2 AND NR 2 REGULATOR FAIL, NR 1 SYS OK. AFTER TAKEOFF UNABLE TO PRESSURIZE CABIN IN AUTO OR MANUAL. THE OVERRIDE AND ECAM OUTFLOW VALVE POSITION INDICATED CLOSED. RESET NR 2 AUTO FLOW VALVE AND CONTROLLER C/B'S. ALSNov 21, 1996 · N419FE · Airbus A310221SDR VTZA96416Outflow Vlv · loose linesFLT 6194 - IAD-EVR - MADE AN SCHEDULED LANDING AT EVR WITH ONE DISCREPANCY WHICH WAS UNABLE TO CONTROL FLOWS. AIRCRAFT RETURNED TO GATE WITH NO FURTHER INCIDENTS. MAINTENANCE OPENED DMI 55980, MEL 21-14. MAINTENANCE CLOSED DMI 55980 BY CLEANING AND RESECURINov 12, 1996 · N487UE · Bag JETSTM3201SDR DLM88962494Pressure Reg · malfunctionedON FINAL APPROACH, GOT SMOKE AND HOT AIR SMELL IN CABIN. BOTH ENGINES AND AIRFOIL ANTI ICE WERE ON . AIR CONDITIONING INDICATIONS WERE NORMAL. C/A: PERFORMED AUG VALVE CHECK PER PFHB. AUG FAILED TEST. REPLACED. THERMOSTAT/ANCPTR/PILOT PRESS REGULATORS, Nov 11, 1996 · N923DL · Doug MD88SDR USAASB96221Outflow Valve · intermittentMCO - FLT 1176 - CREW REPORTED A PRESSURIZATION PROBLEM OVER JAX. NEITHER AUTO STANDBY OR MANUAL WOULD STOP CABIN FROM CLIMBING. FLIGHT RETURNED TO FIELD AT MCO AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE TROUBLESHOT SYSTEM AND FOUND THE FORWARD OUTFLOOct 31, 1996 · N270AU · Boeing 7372B7SDR 97ZZZX483Outflow Valve · malfunctionedAIRCRAFT WILL NOT HOLD CABIN PRESSURE IN EITHER MANUAL OR NORMAL PRESSURIZATION. REPLACED CABIN OUTFLOW VALVE AND CABIN PRESSURE CONTROLLER. OPERATIONAL CHECKS GOOD IAW WITH AMD MM CHAPTER 21. (MCO)Oct 31, 1996 · N810RA · Amd FALCON20C5SDR SWAA961198Outflow Valve · inoperativeAT 37,000, CABIN ALTITUDE ALERT WARNING SOUNDED. SWITCHING TO MAN OR STANDBY MODES, NO HELP. DESCENDED TO LEVEL WHERE PRESSURE WAS REGAINED. LANDED WITHOUT INCIDENT. FWD OUTFLOW VALVE FAILED TEST. REPLACED VALVE AND SYSTEM CHECKED OK PER BOEING M/M.Oct 30, 1996 · N350SW · Boeing 7373H4SDR CKSA96189Outflow Valve · stickingCABIN OUTFLOW VALVE POSSIBLY STICKING. CABIN CLIMBED IN EXCESS OF 2,000 FT PER MINUTE, MANUAL CONTROL HAS NO EFFECT. CABIN WENT BACK TO NORMAL, 5 MINUTES LATER LOSS OF CABIN AGAIN, SAME CONDITIONS. CREW DID AN EMERGENCY DESCENT. MAINTENANCE TESTED OUTFLOW Oct 29, 1996 · N6806 · Boeing 727223SDR DHL96708006Outflow Valve · failedON DEPARTURE OUT OF 11,000 FT, HEARD LOUD BUMP FROM REAR OF AIRCRAFT. IMMEDIATELY THE AIRCRAFT BEGAN TO DEPRESSURIZE AND CABIN ALTITUDE COULD NOT BE CONTROLLED BY ANY MEANS. REMOVED AND DEFERRED OUTFLOW VALVE.Oct 22, 1996 · N708DH · Boeing 72725SDR USAAD96142Regulator Vlv · failedFLT 693 - CLT-PHL - DURING CLIMB FLOW LIGHT ILLUMINATED. LEFT AIRCRAFT SUPPLY PRESSURE 0 PSI. RIGHT SUPPLY 30 PSI. OUTFLOW VALVE MANUALLY CLOSED DID NOT HELP. ON DESCENT LEFT PRESSURE INCREASED. CABIN WAS NEVER ABOVE 8000 FEET. MASKS DID NOT DEPLOY. FLIOct 9, 1996 · N824US · Doug DC982SDR 9621469911Outflow Valve · blocked by fodAUTO PRESSURIZATION SYSTEM FAILED AFTER TAKEOFF. FLIGHT RETURNED TO MSP AND LANDED WITHOUT INCIDENT. MAINTENANCE FOUND INSULATION LODGED IN OUTFLOW VALVE WHICH WAS RESTRICTING MOVEMENT. REMOVED INSULATION AND REPLACED OUTFLOW VALVE ACTUATOR. OPERATIONAL CHOct 8, 1996 · N961N · Doug DC931SDR 96ZZZM1474Outflow Valve · failedAVL-CLT - FLT 1062 - AFTER TAKEOFF, NR 1 AUTOPRESSURE FAILED. NR 2 AUTOPRESSURE WAS ON MEL. CAPTAIN WENT TO MANUAL AND WAS UNABLE TO CONTROL PRESSURE. FLIGHT CLIMBED TO FL060 AND CABIN PRESSURE ALTITUDE CLIMBED 2000 FPM. CREW DESCENDED AND SHUT DOWN PACKS.Oct 4, 1996 · N850US · Fokker F28MK0100SDR 9919529913Out Flow Valve · malfunctionedAIRCRAFT WOULD NOT PRESSURIZE AFTER TAKEOFF. FLIGHT RETURNED TO MSP AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED OUTFLOW VALVE ACTUATOR AND CABIN DIFFERENTIAL PRESSURE SENSOR. OPERATIONAL CHECK NORMAL. AIRCRAFT RETURNED TO SERVICE.Sep 9, 1996 · N963N · Doug DC931SDR USAADB96123Outflow Vlv Act · failedFLT 1422 - ROC-CLT - CABIN WOULD NOT PRESSURIZE AFTER TAKEOFF. RETURNED TO FIELD. REPLACED OUTFLOW VALVE ACTUATOR. (M)Sep 1, 1996 · N971VJ · Doug DC931SDR VTZA96341Outflow Vlv · wired openFLT NR 6296 - IAD-RON - DURING CLIMB, AN UNSCHEDULED LANDING DUE TO MANUAL PRESSURE WOULD NOT WORK. AIRCRAFT LANDED AT IAD AND RETURNED TO GATE NO FURTHER INCIDENTS. MAINTENANCE FOUND OUTFLOW VALVE SECURED OPEN. MAINTENANCE REMOVED SECURING DEVICE, OPS CHECAug 31, 1996 · N480UE · Bag JETSTM3201SDR 9618331225Press Reg Valve · malfunctionedDURING CLIMB, THE NR 2 MANIFOLD FAIL LIGHT ILLUMINATED AND WAS UNABLE TO CLOSE PRV PER COM. DUMPED 45,000 LBS OF FUEL AND RETURNED TO DTW. MAINTENANCE LOCKED THE NR 2 PRV IN THE CLOSED POSITION AND PLACED ON MEL.Aug 25, 1996 · N225NW · Doug DC1030SDR 96ZZZX4706Valve · stud brokenSHUT-OFF VALVE STUD FOUND BROKEN DURING POST-FLIGHT INSPECTION. NO IN-FLIGHT INDICATIONS WERE OBSERVED. CAUSE UNKNOWN. VALVE ASSY WAS REPLACED AND ALL SYSTEMS FUNCTIONED NORMALLY.Aug 12, 1996 · N986HA · Dhav DHC8201SDR JBXA00016Outflow Vlv · failedRDU - FLT 901 - LOST CABIN PRESSURIZATION CONTROL. BOTH CABIN PRESSURE CONTROLLERS FAULTED, TRIED TO CONTROL MANUALLY WITH NO RESPONSE. ALL OXYGEN MASKS DEPLOYED. REPLACED PRIMARY OUTFLOW VALVE IAW AMM 21-51-03. OPS CHECK OF AUTO AND MANUAL SYSTEM GOOD. (Aug 6, 1996 · N109ML · Fokker F28MK0100SDR 97ZZZX1168Controller · misoverhauledACFT CLLIMBED TO FL 260. CREW NOTICED A DISCREPANCY IN THE CABIN PRESSURE DIFFERENTIAL, ALTITUDE AND CONTROLLER INDICATION. AFTER INVESTIGATION AND COMPARISON WITH ANOTHER ACFT, IT WAS FOUND DURING OVERHAUL THE INCORRECT FACE HAD BEEN INSTALLED ON THE RATE CJul 30, 1996 · N26621 · Cessna 550SDR 96ZZZM1223Outflow Valve · malfunctionedFLT NR 501 - ALB-MCO - EXPERIENCED PRESSURIZATION PROBLEMS AT FL 350 (MAX PRESS DIFF) CABIN BEGAN CLIMBING AT 1,000 PLUS. OUTFLOW WAS FULL CLOSED AND UNABLE TO CONTROL CABIN PRESSURE. OXYGEN MASKS DEPLOYED. ACCOMPLISHED EMERGENCY DESCENT TO 10,000 AND PERFOJul 16, 1996 · N464AT · Boeing 7372L9SDR 96ZZZM1238Outflow Vlv · failedCMH - FLT 2688 - CMH-EWR - AIR TURNBACK, LOSS OF CABIN PRESSURE. CREW DESCENDED TO 10,000 FEET. REMOVED AND REPLACED OUTFLOW VALVE, IAW 21-31-51. REMOVED AND REPLACED CABIN PRESSURE CONTROLLERS NR 1 AND NR 2 AS PRECAUTION IAW 21-31-34. RESTOWED CABIN MASKS.Jul 12, 1996 · N632AW · Airbus A320231SDR C2XA96IA155Outflow Valve · malfunctionedIAH - DURING C-CHECK INSPECTION, THE OUTFLOW VALVES WERE FOUND TO BE REMAINING OPEN DURING THE FUNCTIONAL CHECK OF THE AIRCRAFT DITCHING SYSTEM PER ATR JIC 21-30-00 FUT 10010-001. MAINTENANCE REMOVED AND REPLACED THE ELECTROPNEUMATIC OUTFLOW VALVE PER ATR JICJun 24, 1996 · N14833 · Aerosp ATR42320SDR 96ZZZM1323Outflow Vlv · malfunctionedAPPROX TWO HOURS INTO FLIGHT, CABIN PRESSURIZATION BEGAN TO FLUCTUATE 300 FEET IN AUTO MODE. AIR RUSHING NOISE COULD BE HEARD IN BAGAGE AREA. THE ELECTRO/PNEUMATIC OUTFLOW VALVE WAS REPLACED DURING AT 1200 HOUR INSPECTION APPROXIMATELY (8) FLIGHT HOURS PRIORJun 24, 1996 · N601WW · Cndair CL6001A11SDR AU961114Actuator · corroded(AUS) AVIONICS VENT SYSTEM SKIN AIR INLET VALVE ACTUATOR INOPERATIVE - SUSPECT CAUSED BY CORROSION BUILDUP ON THE CLOSED POSITION LIMIT MICROSWITCH (S2)Jun 21, 1996 · Airbus A320212SDR 96ZZZX3825Valve · failedSMOKE IN CABIN AND COCKPIT WITH ACCOMPANYING HEAT. PRESSURIZATION VALVE STUCK 'OPEN' CAUSING FULL CABIN/COCKPIT HEAT. OCCURRED DURING TAKEOFF. VALVE TROUBLESHOT AND REPLACED BY REPAIR STATION AT AWAY-FROM-HOME LOCATION.Jun 21, 1996 · N810CC · Lear 35ASDR 9613042289Outflow Valve · malfunctionedDURING CLIMB, COULD NOT CONTROL CABIN PRESSURIZATION. DESCENDED TO FLIGHT LEVEL 8,000 FEET AND CONTINUED TO GRR. AIRCRAFT LANDED WITHOUT INCIDENT. DTW MAINTENANCE REPLACED BOTH OUTFLOW VALVES AND PERFORMED PRESSURIZATION CHECK, CHECKED OK.Jun 10, 1996 · N289US · Boeing 727251
Back to JASC 2133