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"

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 CALA2022011800173Outflow Valve · fault messageLOSS OF PRESS WHILE IN DESCENT FROM 380 TO 340.MADE DESCENT TO 1 0000. NO ECAM NO MASK.HIGHEST C PFR AND BOTH CPCS BITE TEST GOOD. CREW REPORTS ECAM PRESSURES PAGE POPPED UP WITH NO ECAM WARNING . CABIN ALTITUDE WAS FLASHING AMBER TO GREEN AND INDICATED 9000 FJan 18, 2022 · N847UA · Airbus A319131SDR 2022FA0000028None · wornOWNER REPORTED AIRCRAFT WOULD NOT PRESSURIZE TO MAX DIFFERENTIAL. UNABLE TO CLIMB ABOVE 18 K WITHOUT CABIN ALTITUDE WARNING LIGHT ILLUMINATING. CABIN ALTITUDE WOULD CLIMB WHEN REDUCING POWER. THE ENVIRONMENTAL CONTROL SYSTEM WAS VISUALLY INSPECTED WITH NO DEFEJan 17, 2022 · N267WF · Pilats PC1245SDR JJBA202201183018Cabin Pressure · failedAUTO PRESSURIZATION FAILJan 13, 2022 · N14177 · Emb EMB145XRSDR AALA202201144540Outflow Valve · closedAIRCRAFT WAS GROUNDED: LOST PRESSURIZATION AT 5000FT ECAM CABIN PRESSURE. SAFETY VALVE OPEN. AIRCRAFT DID NOT KNOW WHERE IT WAS ON VERTICAL PROFILE. ECAM ALSO HAD AN AMBER OUTFLOW VALVE OPEN INDICATION. MAINTENANCE DETERMINED THAT THE OUTFLOW VALVE STUCK CLOSJan 13, 2022 · N439AN · Airbus A321253NXSDR SIMA20220108005None · noneCABIN DPRESSURIZED SLOWLY IN AUTO. EMERGENCY DECLARED. #2 RH OUTFLOW VALVE REQUIRES REPLACMENT, FOUND LEAKING DURING PRESSURIZATION CHECK-C/A-REMOVED AND REPLACED RH OUTFLOW VALVE IAW EMB 145 AMM 21-31-04. OPS CHECK GOODJan 8, 2022 · N923AE · Emb EMB145LRSDR AALA202201106914None · noneAIRCRAFT WAS NOT GROUNDED: CABIN PRESSURIZATION FLUCTUATIONS AT CRUISE 600 FT/MIN. **SUPPLEMENTAL REPORT WILL BE SUBMITTED** (OPEN)Jan 6, 2022 · N778XF · Airbus A319112SDR AALA202201075279Safety Valve · openAIRCRAFT WAS GROUNDED AFTER TAKE OFF AIRCRAFT WOULD NOT PRESSURIZE AND HAD AN ECAM MESSAGE FOR THE CABIN PRESSURE SAFETY VALVE OPEN. AIRCRAFT RETURNED TO ORD WHERE IT LANDED SAFELY WITH OUT FURTHER INCIDENT. (NO EMERGENCY WAS DECLARED) **SUPPLEMENTAL REPORT FOJan 6, 2022 · N122US · Airbus A320214SDR AALA202201079223Safety Valve · defectiveAIRCRAFT WAS GROUNDED AFTER TAKE OFF AIRCRAFT WOULD NOT PRESSURIZE AND HAD AN ECAM MESSAGE FOR THE CABIN PRESSURE SAFETY VALVE OPEN. AIRCRAFT RETURNED TO ORD WHERE IT LANDED SAFELY WITH OUT FURTHER INCIDENT. (NO EMERGENCY WAS DECLARED) **ORIGINAL REPORT WAS AAJan 6, 2022 · N122US · Airbus A320214SDR AALA202201065279None · noneAIRCRAFT WAS GROUNDED AFTER TAKE OFF AIRCRAFT WOULD NOT PRESSURIZE, AIRCRAFT RETURNED TO ORD WHERE IT LANDED SAFELY WITH OUT FURTHER INCIDENT. (NO EMERGENCY WAS DECLARED) **SUPPLEMENTAL REPORT WILL BE SUBMITTED** (OPEN)Jan 6, 2022 · N122US · Airbus A320214SDR AALA202201031135Controller · fault messageCABIN DEPRESSURIZED DURING DESCENT. SAFETY VALVES OPEN AMBER INDICATION ON CABIN PRESSURE PAGE. OUTFLOW VALVE AND SAFETY VALVE BOTH FULLY OPEN AT 6000'. MAINTENANCE: PERFORMED BIT TEST CHECKS OF BOTH CABIN PRESSURE CONTROLLERS PER AMM 21-31-00 AND NO FAULTS NODec 30, 2021 · N747UW · Airbus A319112SDR VQMA202112300001Cabin Pressure · faultedSTATEMENT OF EVENTS FROM FLIGHT CREW: "AFTER REACHING OUR PLANNED CRUISING ALTITUDE OF FL450, THE AIRCRAFT DISPLAYED A COCKPIT PAC O’TEMP EICAS MESSAGE. AFTER RUNNING THE CHECKLIST, THE PAC SUCCESSFULLY RESET. SOON AFTER HOWEVER, AN AMBER CABIN ALTITUDE EICASDec 30, 2021 · N517CF · Cessna 750SDR AALA202112303452Window · noisyAIRCRAFT WAS GROUNDED: CLIMBING THROUGH 10,000 FEET NOTICED AIRCRAFT CABIN ALTITUDE WAS CLIMBING. ALSO HEARD EXTREMELY LOUD NOISE COMING FROM CO PILOT WINDOW. ACCOMPLISHED PRESSURIZATION CHECK PER AMM 21-31-00. NO LOUD NOISE NOTED IN THE COCKPIT. PRESSURIZATIODec 28, 2021 · N341RW · Boeing 737*SDR SIMA20211227008None · noneMEL 21-20 AUTH# 120348DM-C. ELECTRO PNEUMATIC OUTFLOW VALVE INOP DUE TO MEL 21-17 RETURN TO FIELD..PRESSURIZATION ISSUES..DECLARED EMRG AND LANDED WITHOUT FURTHER INCIDENT-C/A-REACTIVATED ELECTROPNEUMATIC OUTFLOW VALVEAS PER AMM 21-31-03-440-801A.OPS CHECK GOODec 27, 2021 · N611AE · Emb EMB145LRSDR ASAA2021122537008None · faultyDURING ACCOMPLISHMENT OF " DESCENT C/L" RH PACK ILLUMINATED ON M/C RECALL, EXTINGUISHED ON M/C RESET. GROUNDED - YES. PERFORMED BITE CK B737-900 FIM 21-62 TASK 801 FOUND RH RAM AIR ACTUATOR FAULT. REMOVED AND REPLACED RH RAM AIR ACTUATOR AS REQUIRED OPS CKD GODec 25, 2021 · N419AS · Boeing 737990ERSDR YENA2021122800872Flow Valve · failedFLT 276, SJU-BDL(AIR TURN BACK TO SJU). CAB PR EXCESS CAB ALT WARNING DISPLAYED CLIMBING THROUGH FL310 PACK 1 APPARENTLY WEAK.; C/W R/R VALVE-FLOW CONTROL ASSY. PACK #1 AND SECURED AS PER A.M.M. 21-51-51-PB 401 PERFORMED BITE TEST A/C SYSTEM PASSED NO FAULT ONDec 23, 2021 · N531JL · Airbus A320232SDR JJBA20211222030None · inoperativePRESSURIZATION FAIL ON TAKE OFF. NO EICAS MESSAGE. R&R PRESSURIZATION CONTROLLER. OPS CHECK GOOD.Dec 22, 2021 · N15910 · Emb EMB145LRSDR K11A2021122100107None · nonePROBLEM DESCRIPTION: RIGHT PACK TRIP UNABLE TO CONTROL CABIN PRESSURE UNTIL 10,000 FEET. CORRECTIVE ACTION & OTHER PERTINENT INFORMATION: REMOVED DEBRIS FROM AFT PIT DOOR, PERFORMED CABIN PRESSURIZATION CHECK IAW B737 AMM 21-31-00 OPS CHECK GOOD NO DEFECTS NOTDec 21, 2021 · N332CK · Boeing 737375SDR K11A2022121800174Door · not closedCABIN ALTITUDE UNCONTROLLABLE WITH AUTO, STANDBY OR MANUAL SYSTEMS. CORRECTIVE ACTION & OTHER PERTINENT INFORMATION: FOUND AFT ENTRY DOOR NOT CLOSED COMPLETELY CLOSED AFT ENTRY DOOR IAW B737 AMM 52-73-00, PERFORMED PRESSURIZATION OPS TEST IAW B737 AMM 21-31-00Dec 18, 2021 · N336CK · Boeing 7373Y0SDR FDEA202112173105Controller · failedLOST CABIN ALT AUTO 2 IN ROUTE, AUTO 1 WAS ALREADY ON MEL REMOVED AND REPLACED #2 AUTOMATIC PRESSURE CONTROLER REF AMM 21-31-2-4 OPS CHECK GOOD.Dec 17, 2021 · N774FD · Boeing 757200SDR CALA2021121302357None · inoperativeSYS 1 FAULT DISPLAYED ON UPPER ECAM SCREEN. - CAB PR CAB PR SYS 1 FAULT AT FL250 NO 1 CPC IS REPLACED ALREADY BY LAX BANAI 104367. SEE LOG PAGE 7597180. DUE TO REPLACEMENT OF CPC 1 AND OUTFLOW VALVE, PERFORMED OPERATIONAL TEST OF THE PRESSUER CONTROL AND MONITDec 12, 2021 · N4880 · Airbus A319132SDR AALA202112139193A/C Pack · crackedAIRCRAFT WAS GROUNDED: CLIMBING THROUGH FLIGHT LEVEL 200 FELT A PRESSURE BUMP THEN ELECTRONIC CENTRALIZED AIRCRAFT MONITOR CAME UP SHOWING THE CABIN CLIMBING AT 4100 FEET PER MINUTE. FINALLY SETTLED DOWN TO A 600 FEET PER MINUTE CLIMB - CABIN MADE IT TO 9200 FDec 11, 2021 · N835AW · Airbus A319132SDR AALA202112134812Condenser · inoperativeAIRCRAFT WAS GROUNDED: CLIMBING THROUGH FLIGHT LEVEL 200 FELT A PRESSURE BUMP THEN ELECTRONIC CENTRALIZED AIRCRAFT MONITOR CAME UP SHOWING THE CABIN CLIMBING AT 4100 FEET PER MINUTE. FINALLY SETTLED DOWN TO A 600 FEET PER MINUTE CLIMB - CABIN MADE IT TO 9200 FDec 11, 2021 · N835AW · Airbus A319132SDR N6WA2021120801None · noneAIRCRAFT FAILED TO PRESSURIZE IN FLIGHT. PERFORMED ENGINE RUN AND PRESSURIZATION OPS CHECK IAW AMM 21-31-00 AND 71-00-00 PERFORMED BITE TEST OF CABIN PRESSURE CONTROLLERS IAW CRJ AMM 21-31-04 NO FAULT MESSAGES SHOW AT THIS TIME ALL OPS CHECK GOOD AT THIS TIME Dec 7, 2021 · N524GJ · Cndair CL600*SDR R61A2021120700984Duct · damagedCLIMBING THROUGH FL260, WE LOST PRESSURIZATION. CABIN ALT WENT TO 9,000+ FEET WITHOUT EICAS MESSAGE POPULATED. DECLARED EMERGENCY, LANDED WITHOUT INCIDENT. FOUND PACK 2 OUTLET DUCT BLOWN OUT AT CONNECTION WITH ACM. R&R PACK 2 OUTLET DUCT.Dec 3, 2021 · N206JQ · Emb ERJ170200LRSDR AALA202112069323Control Valve · fluctuatesAIRCRAFT WAS GROUNDED: AT FL 350 #1 PACK FLOW VALVE FLUCTUATED BETWEEN LOW AT 50 O/O CAUSING CABIN TO CLIMB 100FT PER MIN AND DECLINE 150 FT PER MIN CONTINUALLY. AT THE BEGINNING OF DECENT CABIN VERT SPEED FLUCTUATED BETWEEN 100 AND 150 FT. **SUPPLEMENTAL REPONov 30, 2021 · N833AW · Airbus A319132SDR AALA202112029323None · noneAIRCRAFT WAS GROUNDED: AT FL 350 #1 PACK FLOW VALVE FLUCTUATED BETWEEN LOW AT 50 O/O CAUSING CABIN TO CLIMB 100FT PER MIN AND DECLINE 150 FT PER MIN CONTINUALLY. AT THE BEGINNING OF DECENT CABIN VERT SPEED FLUCTUATED BETWEEN 100 AND 150 FT. **SUPPLEMENTAL REPONov 30, 2021 · N833AW · Airbus A319132SDR ASAA2021112336711Unknown · unknownRIGHT PACK LIGHT ILLUMINATED AFTER START ON RECALL, AND EXTINGUISHES WHEN RECALL IS PUSHED. GROUNDED - YES. ACCOMPLISHED B737-900 FIM 21-53 TASK 821, INITIAL BITE ON R PFTC FAULTED TCV, FAULT NOT ACTIVE AFTER RESET R PFTC, RAN BOTH PACKS TO FULL COOL & FULL WANov 23, 2021 · N483AS · Boeing 737990ERSDR R61A2021111800915Sensor · inoperativeBLEED 2 OVER PRESSURE. DECLARED EMERGENCY, LANDED WITHOUT INCIDENT. R&R RH BLEED PRESSURE SENSOR.Nov 16, 2021 · N646RW · Emb ERJ170100SESDR VGCA20211113001None · noneDURING CLIMB WHILE PASSING THROUGH FL250 THE AIRCRAFT EXPERIENCED A RAPID DECOMPRESSON THAT WAS NOT CONTROLLABLE FROM THE FLIGHT DECK. EMERGENCY DECENT WAS INITATED AND AIRCRAFT RETURNED WITHOUT FURTHER INCIDENTNov 13, 2021 · N216WE · Boeing 7272S2FSDR IPXA2021111175874None · noneINSPECTION TYPE:N/A**SUPPLEMENTAL SDR* DECLD EMERG/UNDECLD EMERG*A/C LANDED W/O INCIDENT* WHILE @ FLT LVL 280 SINGLE PACK OPERATION GOT CABIN ALT EICAS & WARNING. RAN QRH PROCEDURE & COULD NOT GET CONTROL OF PRESSURIZATION. EXECUTED EMERG DECSENT 10000 FT LIGHNov 11, 2021 · N435UP · Boeing 75724APFSDR 2021F00357Elec Connector · shortedCABIN PRESSURIZATION SYSTEM WENT INTO EMERGENCY BLEED AIR MODE. LH MOD VLV CB TRIPPED. REMOVED AND REPLACED INTERNALLY SHORTED LH EMERGENCY PRESSURE VALVE (B223) CANNON PLUG (P897) P/N MS3108E-10SL-4S. OPS CHECK GOOD.Nov 11, 2021 · N604GS · Lear 35ASDR AALA202111114910Outflow Valve · faultyAIRCRAFT WAS NOT GROUNDED: AFTER TAKEOFF CABIN WAS NOT PRESSURIZING, SO WE STOPPED CLIMB AT 10,000 FT. AND RETURNED TO JFK, NORMAL LANDING. FORWARD OUTFLOW VALVE HAD FAILED ON THE PREVIOUS DAY AND WAS PLACED ON MEL AND DEACTIVATED. MAINTENANCE FOUND OUTFLOW VANov 10, 2021 · N726AN · Boeing 777323ERSDR ANCF2021115005None · noneREPORT PILOT: 02.NOV.2021=> DURING DESCENT AT 20000 FT CAB HI ALT DOOR R AFT CABIN CAB PR LO DIFF PR CAB PR SAFETY VALVE OPEN ACTION CORRECTIVE: 05.NOV.2021=> IN ACCORDANCE WITH AIRBUS CONSULT #80985779 THESE MM (FAULTS) WERE PRESENTED BY ERROR CONFIGURANov 2, 2021 · N992AV · Airbus A320214SDR REXA2021111000942None · noneDURING DECENT INTO CRW APPROX. FL220, CREW STATED HEARING LOUD AIR NOISE FROM THE CABIN AREA. FLIGHT ATTENDANT ALSO REPORTED NOISE TO FLIGHT CREW. CREW PERFORMED EMERGENCY DECENT AND MANUALLY DEPLOYED CABIN O2 MASKS. CABIN ALTITUDE NEVER EXCEEDED 6000FT. EMERGNov 1, 2021 · N981EV · Cndair CL6002B19SDR FDEA202110302682Valve · failedAT FL380 EICAS DISPLAYED AMBER CABIN ALT AT 8400 AND RATE OF 100 FT/MIN. CABIN CONTINUED TO CLIMB. TRIED TO CONTROL MANUALLY BUT OUTFLOW VALVES WERE ALREADY FULL CLOSED. REQUESTED DESCENT TO 360 BUT CABIN CONTINUED TO CLIMB. EVENTUALLY CABIN WENT OVER 10000Oct 30, 2021 · N879FD · Boeing 777FS2SDR R3WA 2104Wire · chafedAIRCRAFT WAS RETURNING HOME AFTER EXTERIOR PAINT AND INTERIOR REFURBISHMENT IN GGG. CLIMBING OUT OF GGG CREW NOTED SLOW CABIN PRESSURE DIFFERENTIAL. CLIMBING THROUGH 13,700 FT. CREW RECEIVED MASTER CAUTION FOR "CABIN ALT". CREW CONSULTED EMERGENCY CHECKLIST, DOct 29, 2021 · N603TX · Cessna 560XLSDR SIMA20211029004None · nonePRESSURIZATION ISSUE. DECLARED EMERGENCY. LANDED NORMALLY. PACK 1 VLV FAIL AFTER TAKEOFF. LOUD NOISE HEARD IN CABIN. RESET PACK 1 AND PACK 2 VLV CLOSED EICAS MESSAGE POSTED. RESET PACK 2, LOST ALL PRESSURIZATION. COMPLETED FLIGHT AT 10,000 FT."TRANSFERRED TO NOct 29, 2021 · N679AE · Emb EMB145LRSDR R61A2021102900840Controller · fault messageLOST PRESSURIZATION AT FL300. MASKS DID NOT DEPLOY. DECLARED EMERGENCY, LANDED WITHOUT INCIDENT. PERFORMED PRESSURIZATION TEST IAW AMM 21-30-00 TO 4 DELTA P. R&R CPCS CONTROLLER AND OUTFLOW VALVE ACTUATOR.Oct 27, 2021 · N109HQ · Emb ERJ170200LRSDR SWAA2021102632658Switch · failedAT APPROX FL 350 CABIN ALTITUDE WARNING HORN ILLUMINATED. COMPLIED WITH QRC/QRH. CABIN ALTITUDE EXCEDED 10000 FEET. WAS ABLE TO REGAIN CONTROL OF CABIN ALT.CABIN ALT WARNING HORN EXTINGUISHED AT APPROX. FL 270 / CHECKED BOTH CPC CONTROLLERS PER AMM 21-31-00 NOOct 22, 2021 · N8747Q · Boeing 7378SDR AALA202110205369Receiver · noneAIRCRAFT WAS GROUNDED: ON DESCENT AIRCRAFT WAS UNABLE TO FOLLOW RNAV ALTITUDE THOUGH ALL 3 ALTIMETERS APPEARED TO READ CORRECTLY. WE GOT THE MESSAGE TO SWITCH FROM STANDARD ALTIMETER TO LOCAL ALTIMETER AT 23000 FEET INSTEAD OF 18000. AT 5000 FEET WE GET ECAM COct 18, 2021 · N583UW · Airbus A321231SDR AALA202110208950Valve · defectiveAIRCRAFT WAS GROUNDED: ON DESCENT AIRCRAFT WAS UNABLE TO FOLLOW RNAV ALTITUDE THOUGH ALL 3 ALTIMETERS APPEARED TO READ CORRECTLY. WE GOT THE MESSAGE TO SWITCH FROM STANDARD ALTIMETER TO LOCAL ALTIMETER AT 23000 FEET INSTEAD OF 18000. AT 5000 FEET WE GET ECAM COct 18, 2021 · N583UW · Airbus A321231SDR AALA202110200193Valve · defectiveAIRCRAFT WAS GROUNDED: ON DESCENT AIRCRAFT WAS UNABLE TO FOLLOW RNAV ALTITUDE THOUGH ALL 3 ALTIMETERS APPEARED TO READ CORRECTLY. WE GOT THE MESSAGE TO SWITCH FROM STANDARD ALTIMETER TO LOCAL ALTIMETER AT 23000 FEET INSTEAD OF 18000. AT 5000 FEET WE GET ECAM COct 18, 2021 · N583UW · Airbus A321231SDR AALA202110195369None · noneAIRCRAFT WAS GROUNDED: ON DESCENT AIRCRAFT WAS UNABLE TO FOLLOW RNAV ALTITUDE THOUGH ALL 3 ALTIMETERS APPEARED TO READ CORRECTLY. WE GOT THE MESSAGE TO SWITCH FROM STANDARD ALTIMETER TO LOCAL ALTIMETER AT 23000 FEET INSTEAD OF 18000. AT 5000 FEET WE GET ECAM COct 18, 2021 · N583UW · Airbus A321231SDR SIMA20211017001None · noneAIR INTERRUPTED BACK TO ORD WITH A CABIN PRESSURIZATION ISSUE. CABIN ALTITUDE HIGH ON DEPARTURE DECLARED EMERGENCY.-C/A-CONFIRMED MEL 21-22 MAINT PROCEDURE HAVE BEN REV. PERFORMED PRESSURATION CONTROL SYSTEM OPS CHECK IN MANUAL M/M TASK 21-31-00-700-801A AND POct 17, 2021 · N670AE · Emb EMB145LRSDR AALA202110157922Valve · inoperativeAIRCRAFT WAS GROUNDED: CABIN PRESSURE SAFETY VALVE OPEN ELECTRONIC CENTRALIZED AIRCRAFT MONITOR. AT FL 340 CABIN PSI 7.8. CABIN ALT 7000. FOLLOWED ELECTRONIC CENTRALIZED AIRCRAFT MONITOR PROCEDURE DECENT TO FL 300. SAFETY VALVE CLOSED 7.9 PSI CABIN ALT 5000. ROct 14, 2021 · N703UW · Airbus A319112SDR AALA202110152019Valve · inoperativeAIRCRAFT WAS GROUNDED: CABIN PRESSURE SAFETY VALVE OPEN ELECTRONIC CENTRALIZED AIRCRAFT MONITOR. AT FL 340 CABIN PSI 7.8. CABIN ALT 7000. FOLLOWED ELECTRONIC CENTRALIZED AIRCRAFT MONITOR PROCEDURE DECENT TO FL 300. SAFETY VALVE CLOSED 7.9 PSI CABIN ALT 5000. ROct 14, 2021 · N703UW · Airbus A319112SDR O2GA2021102187401Controller · defectiveDURING CRUISE FLIGHT AT FL 260 CABIN STARTED TO CLIMBING AT 500’ PER MIN. ATC WHICH CLEARED THE CREW TO 12000’. DURING THE DECENT CABIN INCREASED ABOVE 12500 CAUSING PASSENGER MASK TO DEPLOY. DIVERTED TO KSMF. LANDING WAS UNEVENTFUL. MAINTENANCE REPLACED THE LOct 11, 2021 · N874UP · Beech B300SDR DALA2021101206244Outflow Valve · uncontrollableSHIP 3502 -ATB- DUE TO UNABLE TO PRESSURIZE CABIN. CORRECTIVE ACTION: REPLACED CPIOM PER A350 AMM 42-11 AND BOTH OCU'S PER A350 AMM 21-31. PERFORMED PRESSURE OPERATIONAL TEST, LEAK MEASUREMENT AND FUNCTIONAL TESTOF OVER PRESSURE RELIEF VALVE PER A350 AMM 21-31Oct 11, 2021 · N502DN · Airbus A300*SDR ASAA2021092636086Unknown · unknownPRESSURIZATION AUTO FAIL ILLUMINATED AFTER LANDING. GROUNDED - YES. ACCOMPLISHED #1CPC BITE REF B737-900 FIM 21-31 TASK 801. FOUND NO ACTIVE FAULTS. IN HISTORY IT SHOWED OFV FAIL, ONE TIME. ABLE TO CLEAR FAULT LOGGED. PERFORMED PRESSURIZATION SYS MANUAL MODE TSep 26, 2021 · N477AS · Boeing 737990ERSDR OEJA2021101500001Seal · leakingCABIN ALTITUDE WAS HIGHER THAN NORMAL, NOTICED THE CABIN RATE CLIMBING @ 1000' PER MIN. THEN HEARD A WHISTLING NOISE CLOSE TO THE CABIN DOOR. "CABIN PRESS LD" LIGHT CAME ON. ONCE WE REACHED BELOW 20,000' THEN THE NOISE GOT QUIETER AFTER WE SELECTED "BOTH HSep 25, 2021 · N490FL · Beech 400A
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