JASC 2130

Service difficulty reports · 3,458

Reports filed under 2130 · Cabin Pressure Control 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 = '2130'
  ORDER BY difficulty_date DESC"

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SDR 9508959964Heat Exchanger · inoperativeAIRCRAFT WOULD NOT PRESSURIZE AFTER TAKEOFF. CABIN ALTITUDE WAS CLIMBING AT AN EXCESSIVE RATE. FLIGHT RETURNED TO DTW AND LANDED WITHOUT INCIDENT. REPLACED HEAT EXCHANGER. LEAK AND OPERATIONAL CHECK GOOD, AIRCRAFT RETURNED TO SERVICE.Jun 2, 1995 · N912RW · Doug DC931SDR MWEA95206Duct · rupturedEN ROUTE TO DCA FROM OMA AT 33,000 FT, NOTICED CABIN ALT INCREASE 100 FPM PLUS DIFFERENTIAL DECREASE. UNABLE TO CONTROL IN AUTO AND MANUAL, DIVERTED TO MKE. REPLACED RUPTURED DUCT DOWNSTREAM OF TEMP CONTROL VALVE. CONTINUED FLIGHT TO DCA.May 22, 1995 · N500ME · Doug DC914SDR 95ZZZM140Control Module · failedMDT - PILOT REPORTED, THE LEFT ENVIRONMENTAL FAIL LIGHT ILLUMINATED AND THAT THERE WAS A HINT OF SMOKE IN THE COCKPIT. MAINTENANCE REPLACED FAULTY CONTROL MODULE PCB. OPS CHECKED GOOD.May 18, 1995 · N96UX · Beech 1900DSDR MWEA95205Pressurization · malfunctionedWHILE AT CRUISE 330 CABIN PRESSURE WAS SLOWLY LOST AND MASKS DROPPED. REGAINED CABIN PRESSURE CONTROL AT 250. A/C FERRY TO MKE. REPACKED ALL O2 MASKS, GROUND PRESSURIZED A/C. COULD NOT DUPLICATE PROBLEM. PERFORMED EVALUATION FLIGHT. NO AUTO PRESSURIZATIOMay 16, 1995 · N501ME · Doug DC932SDR AALA950911Pressurization · malfunctionedBNA - FLT NR 0807 - EN ROUTE LGA/DFW, DURING CRUISE AT FL 370, CABIN ALTITUDE ALARM SOUNDED WITH FLOW LIGHT ILLUMINATED. SELECTED MANUAL CABIN ALTITUDE CONTROL AND WITH OUTFLOW VALVES CLOSED, CABIN CONTINUED TO CLIMB. AS CABIN ALTITUDE APPROACHED FL 110, INIMay 14, 1995 · N33414 · Doug DC982SDR 9507969947Connector · contaminatedLOSS OF CABIN PRESSURIZATION OCCURRED AT 33,000 FEET. CABIN ALTITUDE CLIMBED TO 11,000 FEET. OXYGEN MASKS DID NOT DEPLOY. CABIN PRESSURE WAS REGAINED AT 23,000 FEET AND FLIGHT CONTINUED WITHOUT FURTHER INCIDENT. CLEANED CANNON PLUG ON PRESSURE AMPLIFIER. May 14, 1995 · N8938E · Doug DC931SDR AALA950912Pressurization · malfunctionedDCA - FLT 1416 - EN ROUTE DFW-BDL, DURING CRUISE AT FL 370, CABIN BEGAN A 100 FPM CLIMB AND FLOW LIGHT ILLUMINATED FOLLOWED BY AN INCREASE IN CABIN CLIMB RATE. INITIATED EMERGENCY DESCENT. ALL PAX OXYGEN MASKS DEPLOYED SUCCESSFULLY. AIRCRAFT DIVERTED TO DCAMay 13, 1995 · N426AA · Doug DC982SDR 95ZZZX2673Cable Assy · stuckAFTER PRESSURIZATION PROBLEM, PILOT PULLED BOTH SHUT-OFF HANDLES CONTROLLING VALVES AT FIREWALL. AFTER FIXING PROBLEM AT OUTFLOW AND SAFETY VALVES, ATTEMPTED TO RESET HANDLES IN COCKPIT CAUSING INNER CONTROL TO PUSH OUT OF HOUSINGS. THESE CONTROLS ARE NORMALMay 10, 1995 · N6UT · Beech 58PSDR 95ZZZX2672Cable Assy · stuckAFTER PRESSURIZATION PROBLEM, PILOT PULLED BOTH SHUT-OFF HANDLES CONTROLLING VALVES AT FIREWALL. AFTER FIXING PROBLEM AT OUTFLOW AND SAFETY VALVES, ATTEMPTED TO RESET HANDLES IN COCKPIT CAUSING INNER CONTROL TO PUSH OUT OF HOUSINGS. THESE CONTROLS ARE NORMALMay 10, 1995 · N6UT · Beech 58PSDR USAA950453Control Panel · inopBTR - FLT NR 0431 - AT FL 310, CREW RECEIVED RED LIGHTS IN THE COCKPIT. THE CABIN PRESSURE BEGAN CLIMBING RAPIDLY. AIRCRAFT MADE AN EMERGENCY DESCENT TO 10,000 FEET AND DIVERTED TO BTR. REPLACED OVERHEAD SELECTOR PANEL DUE TO CONTROLLER INOP. (W)May 8, 1995 · N862US · Fokker F28MK0100SDR 9506619902Clamp · looseLOSS OF CABIN PRESSURE OCCURRED AT 33,000 FEET EN ROUTE MSP-HOU. OXYGEN MASKS WERE DEPLOYED THROUGH CABIN. EMERGENCY DESCENT WAS ACCOMPLISHED AND CABIN PRESSURE WAS REGAINED. FLIGHT CONTINUED TO DESTINATION WITHOUT FURTHER INCIDENT. FOUND CLAMP ON AFT SIDEApr 22, 1995 · N952N · Doug DC931SDR USAA950403Circuit Breaker · trippedPIT - FLT 19 - UNABLE TO CONTROL PRESSURIZATION AFTER TAKEOFF. FLIGHT RETURNED TO PIT AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE FOUND MANUAL DC CIRCUIT BREAKER POPPED, RESET C/B. REPLACED OVERHEAD CONTROL PANEL. ALL CHECKS NORMAL. REF 95ZZZZ232.Apr 21, 1995 · N272AU · Boeing 7372B7SDR 95ZZZZ232Control Panel · failedPIT - FLT 19 - UNABLE TO CONTROL PRESSURIZATION AFTER TAKEOFF. FLIGHT RETURNED TO PIT AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE FOUND MANUAL DC CIRCUIT BREAKER POPPED, RESET C/B. REPLACED OVERHEAD CONTROL PANEL. ALL CHECKS NORMAL. REF USAA950403.Apr 21, 1995 · N272AU · Boeing 7372B7SDR 9506469103Connector · brokenLOSS OF CABIN PRESSURIZATION OCCURRED ON DESCENT INTO SYR. EMERGENCY DESCENT PROCEDURES WERE ACCOMPLISHED AND AIRCRAFT LANDED WITHOUT INCIDENT. REPLACED BROKEN CANNON PLUG TO AUGMENTATION VALVE SOLENOID 'A'. ALSO, REPLACED FLOW CONTROL VALVE AND PILOT PRESSUApr 21, 1995 · N93S · Doug DC915SDR 95ZZZX2328Amplifier · inoperativeRIC - FLT 0739 - AT FL 350, THE CABIN PRESSURE RED LIGHT AND MASTER WARNING LIGHT ILLUMINATED. CREW DECLARED AN EMERGENCY AND DIVERTED TO TIC. MAINTENANCE INSTALLED THE OUTFLOW ACTUATOR AND PRESSURE AMPLIFIER. OPERATIONS CHECKED NORMAL. REF CONTROL NR. USAApr 12, 1995 · N941VJ · Doug DC931SDR 95ZZZW591Pressurization · malfunctionedFLT 088 - IN FLIGHT PRESSURIZATION PROBLEM, RETURNED TO LIMA. REPOSITIONED LEFT A/C CABIN COND AIR VALVE AND FOLLOWED PRESSURIZATION PROCEDURES AND OPS CHECK GOOD, PER MM 21-58-01.Apr 12, 1995 · N707HE · Boeing 707330CSDR 95ZZZX1932Control System · malfunctionDFW/ATL - FLT 234 - HAD TO DIVERT TO MEM DUE TO CABIN DE-RESSURIZATION. AUTOPRESSURIZATION FAILED AND OXYGEN MASKS DEPLOYED, EXCEPT 4 AT ROWS 5C, D, AND E. REMOVED AND REPLACED OYGEN BOTTLE AND DROP-CHECKED OXYGEN MASKS. OPS CHECK OKAY, PLACED AUTOPRESS ON Apr 10, 1995 · N904VJ · Doug DC932SDR 9505889872Pressure Amp · malfunctionedLOSS OF CABIN PRESSURIZATION OCCURRED AT 35,000 FEET EN ROUTE MEM TO SAT. ACCOMPLISHED EMERGENCY DESCENT TO 10,000 FEET AND CABIN PRESSURE WAS REGAINED. FLIGHT CONTINUED AND LANDED SAFELY WITHOUT INCIDENT. REPLACED CABIN PRESSURE AMPLIFIER, OPERATIONAL CHECApr 10, 1995 · N781NC · Doug DC951SDR AWXA9500194Bleed Air Reg · inoperativeFLT 66 - SNA-LAS - AIR TURNBACK, UNABLE TO PRESSURIZE A/C DURING TAKEOFF/CLIMB. A/C RETURNED TO SNA. A/C WAS MX FERRIED UNPRESSURIZED TO PHX. PHX MX RESEALED OUTFLOW VLV, REINSTALLED SEALED AROUND POTABLE WATER TANK DRAIN, AND RECONNECTED UPPER AND LOWER HAApr 3, 1995 · N2FOR · Boeing 7373Y0SDR 95ZZZW551Thermostatic · inoperativeFLT 66 - SNA-LAS - AIR TURNBACK, UNABLE TO PRESSURIZE A/C DURING TAKEOFF/CLIMB. A/C RETURNED TO SNA. A/C WAS MX FERRIED UNPRESSURIZED TO PHX. PHX MX RESEALED OUTFLOW VLV, REINSTALLED SEALED AROUND POTABLE WATER TANK DRAIN, AND RECONNECTED UPPER AND LOWER HAApr 3, 1995 · N2FOR · Boeing 7373Y0SDR 95ZZZW550High Stage Valve · inoperativeFLT 66 - SNA-LAS - AIR TURNBACK, UNABLE TO PRESSURIZE A/C DURING TAKEOFF/CLIMB. A/C RETURNED TO SNA. A/C WAS MX FERRIED UNPRESSURIZED TO PHX. PHX MX RESEALED OUTFLOW VLV, REINSTALLED SEALED AROUND POTABLE WATER TANK DRAIN, AND RECONNECTED UPPER AND LOWER HAApr 3, 1995 · N2FOR · Boeing 7373Y0SDR 95UAL767014Pressurization · squeal noiseLOUD SQUEALING NOISE IN COCKPIT CAUSED DIVERSION.Mar 29, 1995 · N661UA · Boeing 767322SDR Y2PA95004Vent Door · openMMX - AIRCRAFT WOULD NOT PRESSURIZE AFTER TAKEOFF. RETURNED TO MMX. FOUND 'VENT DOOR' IN MAIN CABIN TO BE IN THE OPEN PSOITION. CLOSED THE 'VENT DOOR'. (M)Mar 28, 1995 · N196US · Doug DC915FSDR MWEA95155Rod End · bindingPILOT REPORTS AGAIN AT 23,000 FT, CABIN ALTITUDE CLIMBING. O2 MASKS DEPLOYED. PERFORMED EMERGENCY DESCENT INTO GRR. FERRIED BACK TO MKE. TROUBLESHOT SYSTEM. PERFORMED TWO TEST FLIGHTS. FOUND OUTFLOW CONTROL ROD NOT CLOSING VALVE IN FLIGHT BUT WORKING PROMar 27, 1995 · N501ME · Doug DC932SDR MWEA95154Pressurization · malfunctionedPILOT REPORTS ON CLIMB-OUT OF MKE, CABIN ALTITUDE CLIMBING. LEVELED OFF AT 29,000 FT, CABIN ALTITUDE STILL CLIMBING. TRIED CLOSING OUTFLOW VALVE MANUALLY. OXYGEN MASKS DEPLOYED. PERFORMED EMERGENCY DESCENT. RETURNED TO MKE. TROUBLESHOT SYSTEM, SERVICED WMar 27, 1995 · N501ME · Doug DC932SDR IXXA199523Safety Valve · malfunctionedTHE AIRCRAFT DEPARTED GSO AND EXPERIENCED FLUCTUATING CABIN PRESSURE THAT COULD NOT BE CONTROLLED EITHER BY THE MANUAL OR AUTOMATIC SYSTEMS. THE AIRCRAFT RETURNED TO GSO FOR MAINTENANCE. TROUBLESHOOTING AND GROUND PRESSURIZATION REVEALED THAT ONE OF THE SAFEMar 27, 1995 · N784AL · Doug DC863FSDR IXXA199521Connector · dirtyDURING CLIMB-OUT OF GSO, THE CABIN PRESSURIZATION WAS UNCONTROLLABLE BY EITHER MANUAL OR AUTOMATIC SYSTEMS. THE CABIN PRESSURE WAS CYCLING BETWEEN CLIMB AND DESCENT. THE AIRCRAFT RETURNED TO GSO FOR MAINTENANCE. TROUBLESHOOTING REVEALED A DIRTY ELECTRICAL CMar 27, 1995 · N784AL · Doug DC863FSDR AWXA9500152Aevc · malfunctionAIR TURNBACK, ON CLIMB-OUT RECEIVED ECAM MESSAGE 'VENT SKIN VALVE FAULT'. CREW COULD NOT MAINTAIN CABIN PRESSURE. AIRCRAFT RETURNED TO LAS AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE FOUND 'AVNC VENT' CNT CIRCUIT BREAKER OUT. RESET CIRCUIT BREAKER D7.Mar 19, 1995 · N622AW · Airbus A320231SDR GRAA119531Control System · malfunctionCHEYENNE, WYOMING - ON CLIMB-OUT, AIRCRAFT HAD A CABIN PRESSURE LOSS. THE CABIN FAILED TO MAINTAIN PRESSURE AT 14,000 FEET. THE FLIGHT CREW LOCKED THE SYSTEM INTO MANUAL, THEN TRIED THE AUTOSYSTEM AGAIN ON DESCENT AND THE SYSTEM WORKED NORMALLY. THE AIRCRAFMar 14, 1995 · N1064T · Doug DC915SDR AWXA9500139Pressurization · malfunctionedIAH - FLT 887 - AIR TURNBACK, IAH TO PHX, AFTER TAKEOFF, CREW REPORTED THAT THEY WERE UNABLE TO PRESSURIZE THE AIRCRAFT IN ANY MODE. BOTH OUTFLOW VALVES SHOWED FULL CLOSED AND THE PNEUMATIC DUCT PRESSURE WAS NORMAL. CONTRACT MAINTENANCE INSPECTED THE AIRCRAFMar 14, 1995 · N185AW · Boeing 737277SDR USAA950238Actuator · inoperativePIT - FLT 0757 - FLIGHT DIVERTED TO PIT DUE TO A PRESSURIZATION PROBLEM. MAINTENANCE REPLACED THE OUTFLOW DOOR AFT MOTOR AND GEAR BOX. OPERATIONS CHECKED GOOD. (W)Mar 12, 1995 · N993VJ · Doug DC931SDR RAIA950308Safety Valve · dirtyALO - FLT 7465 CABIN DEPRESSURIZED IN FLIGHT. MAINTENANCE CLEANED THE SAFETY VALVE SCREEN AND SEAT. (W)Mar 8, 1995 · N422AM · Bag JETSTM3201SDR USAA950201Prsov · malfunctionedPHL - FLT 0244 - CABIN PRESSURE CONTINUED TO CLIMB AT FL 330. CREW DECLARED AN EMERGENCY TO GET LOWER PRESSURE. FLIGHT LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED TO RIGHT PRSOV AND THE RIGHT PACK FLOW VALVE. OPERATIONS CHECKED GOOD. REFERENCE 95ZZZZ155Mar 1, 1995 · N856US · Fokker F28MK0100SDR 95ZZZZ155Valve · inoperativePHL - FLT 0244 - CABIN PRESSURE CONTINUED TO CLIMB AT FL 330. CREW DECLARED AN EMERGENCY TO GET LOWER PRESSURE. FLIGHT LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED TO RIGHT PRSOV AND THE RIGHT PACK FLOW VALVE. OPERATIONS CHECKED GOOD. REFERENCE USAA95020Mar 1, 1995 · N856US · Fokker F28MK0100SDR USAA950218Switch · intermittentCLT - FLT 2188 - AIRCRAFT LOST PRESSURIZATION AT FL 330 AND CABIN ALTITUDE WAS INCREASING. FLIGHT DIVERTED TO CLT AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE RIGHT ENGINE CHANGE OVER SWITCH AND CARGO DOOR SEALS AND ADJUSTED THE LEFT ENGINE CHANGE OFeb 23, 1995 · N856US · Fokker F28MK0100SDR 95ZZZX1957Circuit Board · failedISN - THE CREW ELECTED AN AIR TURN-BACK AFTER THE LEFT ENVIRONMENTAL FAIL ANNUNCIATOR ILLUMINATED. AN UNEVENTFUL LANDING WAS ACCOMPLISHED. MAINTENANCE REPLACED THE PC BOARD. RAN AIRCRAFT AND OPS CHECKED GOOD.Feb 21, 1995 · N94UX · Beech 1900DSDR 9503029914Pressurization · malfunctionedCABIN WOULD NOT PRESSURIZE IN EITHER AUTO OR MANUAL AFTER TAKEOFF. FLIGHT RETURNED TO DTW AND LANDED WITHOUT INCIDENT. INSPECTED ALL DOOR SEALS, OUTFLOW VALVE, AND PRESSURIZED AIRCRAFT WITH BOTH ENGINES RUNNING. ALL CHECKED OK WITH NO PROBLEMS FOUND. AIRCRFeb 21, 1995 · N964N · Doug DC931SDR 9502869968Press Amplifier · malfunctionedAUTO CABIN PRESSURIZATION FAILED AFTER TAKEOFF. CABIN PRESSURE WENT TO FULL INCREASE RELIEVING PRESSURE AT 8.06 PSI AND SHOWING NEGATIVE CABIN ALTITUDE. NORMAL CABIN PRESSURE WAS REGAINED USING MANUAL CONTROL BUT VERY DIFFICULT TO MAINTAIN. FLIGHT RETURNED Feb 19, 1995 · N9332 · Doug DC931SDR 95ZZZX1132Press Selector · erraticFLT 1818 - 33,000 FEET ON DESCENT, EXPERIENCED RAPID PRESSURE LOSS IN AIRCRAFT, UNDER CONTROL BY 10,000 FEET CABIN ALTITUDE. PASSENGER OXYGEN MASKS DEPLOYED. AIRCRAFT MADE AN UNEVENTFUL LANDING AT PIE. REPLACED CABIN PRESSURE CONTROL PANEL AND CABIN PRESSURFeb 18, 1995 · N8931E · Doug DC931SDR 95ZZZX1174Valve Fitting · crackedEMERGENCY EXIT WINDOW AND CABIN DOOR SEAL LEAKAGE CAUSING CYCLING OF SEAL PRESSURE SWITCH. PILOT WAS SEEING CONSTANT GYRO PRESSURE FLUCTUATIONS ON COCKPIT INSTRUMENT PRESSURE GAUGE AND PREMATURE PRESSURE PUMP FAILURE. CAUSE WAS FOUND TO BE A CRACKED BULKHEADFeb 17, 1995 · N6899R · Piper PA60602PSDR SWAA950182Control Valve · failedAFTER LEVELING AT 28,000, CABIN PRESSURE WARNING HORN SOUNDED. CABIN ALTITUDE CONTINUED TO CLIMB. USING STANDBY OR MANUAL SYSTEM, NO HELP. CREW INITIATED DESCENT. OXYGEN MASKS WERE DEPLOYED. CREW REGAINED CABIN PRESSURE USING APU AND LEFT PACK. AIRCRAFT Feb 15, 1995 · N24SW · Boeing 7372H4SDR 95ZZZX734Valve · defectivePILOT REPORTED PRESSURIZATION FAILED IN-FLIGHT. PILOT SET EMERGENCY PRESSURIZATION. TROUBLESHOT SYSTEM, FOUND A/C VALVE FAILED. REPLACED A/C VALVE, SYSTEM CHECKS GOOD. THIS UNIT REQUIRES INSPECTION EVERY 600 HOURS. OPERATOR AAIP HAS THIS VALVE ON CONDITIOFeb 1, 1995 · N45MR · Amd FALCONSDR EIAA9602Pressurization · malfunctionedOAK - DESCENT INTO SLC TURNED ON AIRFOIL A/I AT APPROXIMATELY FL 23.0, CABIN RATE OF CLIMB WENT APPROX FULL UP WITH OUTFLOW VALVE FULL CLOSED. TURNED OFF WING A/I AND CABIN PRESSURE RETURNED TO NORMAL. (M)Jan 31, 1995 · N944F · Doug DC933FSDR USAA950036Pressurization · malfunctionedPIT - FLT 358 - ON CLIMB-OUT, THE ACFT WOULD NOT PRESSURIZE IN EITHER THE AUTO OR MANUAL MODE. CREW DECIDED TO DIVERT TO PIT. MAINTENANCE INSPECTED THE OUTFLOW VALVE, ALL DUCTING, DOORS, AND FRAMES. NO ABNORMALITIES WERE FOUND. THE ACFT WAS PRESSURIZED TO Jan 22, 1995 · N925VJ · Doug DC931SDR DL72S950313Duct · brokenDURING CLIMB-OUT, AIRCRAFT WOULD NOT HOLD PRESSURE, SELECTED ALTERNATE BLEED WITH NO HELP. DIVERTED TO MCO. FOUND LEFT PACK WATER SEPARATOR ASSEMBLY LEAKING AIR. ALSO, FOUND DUCT FROM MIX VALVE TO SEPARATOR ASSEMBLY BROKEN IN SEVERAL PLACES. REPLACED DUCT Jan 21, 1995 · N490DA · Boeing 727232SDR SCNA95011Air Valve · faultySLC - FLT 865 - ON CLIMB-OUT, FLIGHT ENGINEER UNABLE TO CONTROL CABIN IN AUTO, STANDBY, OR MANUAL (OUTFLOW VALVE IN FULL CLOSED POSITION WITH CABIN CLIMBING). FOUND RIGHT FORWARD PACK VALVE INOPERATIVE. REPLACED RIGHT FORWARD PACK VALVE AND RAN RIGHT PACK, OJan 20, 1995 · N289SC · Boeing 727259SDR AWXA9500031Pressurization · malfunctionedABQ - FLT 864 - ABQ-PHX - AIR TURN BACK, CREW UNABLE TO PRESSURIZE AIRCRAFT IN AUTO, STANDBY OR MANUAL MODES. AIRCRAFT RETURNED TO ABQ AND LANDED WITHOUT FURTHER PROBLEMS. MAINTENANCE GROUND PRESSURIZED AIRCRAFT, CHECKED OUTFLOW VALVES, DOOR SEALS AND BY-PASJan 17, 1995 · N322AW · Boeing 7373G7SDR 95ZZZW99Pressurization · malfunctionedATL-PHL - FLT 534 - EN ROUTE, OXYGEN MASKS DEPLOYED AUTOMATICALLY DUE TO USE OF AUTO PRESSURIZATION SYSTEM PREVIOUSLY PLACED ON MEL AS INOP. RETURNED TO MANUAL PRESSURIZATION CONTROL AND REGAINED CONTROL. MASK PANELS AT SEAT 4 AB ROW 6 AND 7 AB AND 11 AB DIDJan 12, 1995 · N907VJ · Doug DC932SDR USAA950025Pressurization · malfunctionedORF - FLT 124 - UNABLE TO PRESSURIZE ACFT AFTER TAKEOFF. FLIGHT RETURNED TO ORF WHERE LANDING WAS WITHOUT INCIDENT. MAINTENANCE SWAPPED FWD AND AFT ZONE TEMP CONTROL BOXES. OPS CHECK NORMAL. SWAPPED FWD AND AFT ZONE TEMP CONTROL BOXES. OPS CHECK NORMAL. Jan 11, 1995 · N436US · Boeing 7374B7SDR 95ZZZW100Pressurization · malfunctionedATL-IAD - FLT 192 - DURING CLIMB-OUT, AUTO PRESSURIZATION WENT INOP AND ACFT DEPRESSURIZED AT APPROXIMATELY 10,000 FEET. OXYGEN MASKS IN CABIN DEPLOYED AND CREW PRESSURIZED ACFT MANUALLY. UPON ARRIVAL IN IAD, OXYGEN MASKS WERE STOWED AND AUTO PRESSURIZATION Jan 11, 1995 · N907VJ · Doug DC932
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