# JASC 2130: Cabin Pressure Control System

- Type: JASC system/component code (FAA)
- ATA chapter: 21 Air Conditioning
- Title in the code table: CABIN PRESSURE CONTROL SYSTEM
- Service difficulty reports: 3,454
- FAA code table: https://www.faa.gov/sites/faa.gov/files/JASC_Code.pdf#page=16
- Page: https://openairdocs.org/jasc/2130

## What it covers

For reports of miscellaneous system components or parts other than the controller, indicator, sensor, regulator, or outflow valves. Typical parts are amplifier, switch, electrical connector, etc.

## Service difficulty reports (3,454, newest 50)

- [SDR IPXA2026101937503](https://openairdocs.org/sdr/IPXA2026101937503), Oct 14, 2026: Boeing 75724APF. CONTROL VALVE. FAULTED. CABIN ALTITUDE EICAS MSG AT FL300. IN ADDITION TO CABIN ALTITUDE FAULT. RT PACK FLOW CONTROL AND SHUTOFF VALVE WAS REMOV (N438UP)
- [SDR R61A2026101300302](https://openairdocs.org/sdr/R61A2026101300302), Oct 12, 2026: Emb ERJ170100SE. WARNING MESSAGE. ILLUMINATED. PRESN AUTO FAULT. EXCESSIVE FPM CABIN RATE (-4000 AMBER) ON EICAS AT FL350. IN DESCENT PRESN AUTO FAULT APPEARED. CREW D (N638RW)
- [SDR N6WA2026101501](https://openairdocs.org/sdr/N6WA2026101501), Oct 9, 2026: Cndair CL6002C11. WARNING MESSAGE. ACTIVATED. CABIN ALT MESSAGE. PERFORMED TASK 21-24-18-040-801 IAW MEL 21-24-07 CAT C ON OCN 70104893. (N549GJ)
- [SDR FDEA202610091507](https://openairdocs.org/sdr/FDEA202610091507), Oct 9, 2026: Boeing 7572Q8. SHUTOFF VALVE. FAULTED. AT FL350, GOT MASTER WARNING CABIN ALTITUDE, WENT TO 12,000FT. (EMERGENCY DECLARED) R & R LT PACK FLOW CONTROL AND SHUTO (N995FD)
- [SDR AALA202610109708](https://openairdocs.org/sdr/AALA202610109708), Oct 8, 2026: Airbus A319112. HEAT EXCHANGER. DAMAGED. AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO THE FLIGHT CREW REPORTING THAT CABIN PRESSURE CLIMBED OUT OF RAN (N746UW)
- [SDR CALA2026100620150](https://openairdocs.org/sdr/CALA2026100620150), Oct 4, 2026: Boeing 777300ER. SENSOR. FAULTED. BLEED FAMV L EICAS STATUS LEFT ENGINE BLEED FAN AIR MODULATING VALVE (FAMV) FAILED OPEN OR CLOSED OR LEFT AIR SUPPLY AND (N2138U)
- [SDR K11A2026092400392](https://openairdocs.org/sdr/K11A2026092400392), Sep 24, 2026: Boeing 737436. CONTROL PANEL. FAILED. PRESSURIZATION FAIL DURING DESCENT, MANUAL MODE DID NOT WORK. REMOVED AND REPLACED PRESSURE CONTROL MODULE IAW AMM 21-31 (N733CK)
- [SDR IPXA2026092487635](https://openairdocs.org/sdr/IPXA2026092487635), Sep 23, 2026: Airbus A300F4622R. CABIN PRESS SYS. FAULTED. IN DESCENT AT ABOUT 6000 FT WE RECIEVED CAB PRESS ADV, VS ON CAB PRESS PAGE WAS AT 1500 FT/MIN A NOTICEABLE HISSING SOUN (N169UP)
- [SDR IPXA2026092387635](https://openairdocs.org/sdr/IPXA2026092387635), Sep 23, 2026: Airbus A300F4622R. CABIN PRESSURE. LOW PRESSURE. DURING DESCENT AT ABOUT 6000 FT, RECIEVED CABIN PRESSURE ADV, VS ON CABIN PRESSURE PAGE WAS AT 1500 FT/MIN A NOTICEABLE  (N169UP)
- [SDR SIMA20260918001](https://openairdocs.org/sdr/SIMA20260918001), Sep 18, 2026: Emb ERJ170100SU. WARNING MESSAGE. ILLUMINATED. CLIMBING THROUGH APPX FL200, RECEIVED CABIN ALTITUDE CAUTION THEN WARNING. PACK 1 WAS ALREADY MEL'D. FLYIN ON PACK 2 ONL (N743MB)
- [SDR DXTA2026091009622](https://openairdocs.org/sdr/DXTA2026091009622), Sep 8, 2026: Emb EMB505. PRESSURE VALVE. FAULTED. CABIN ALTITUDE HI CAS WARNING MESSAGE ILLUMINATED WHILE LEVELING AT 430. CABIN DID NOT SEEM TO GO ABOVE 10000FT AND PAX  (N447QS)
- [SDR G41A2026090070685](https://openairdocs.org/sdr/G41A2026090070685), Sep 4, 2026: Lear 60LEAR. CABIN PRESS SYS. MALFUNCTIONED. ON FRIDAY 9/5/2026, ACFT DEPARTED KROC HEADING TO KBFD. ON CLIMB, THE PRESSURIZATION SYSTEM AUTOMATIC MODE FAULT LIGHT I (N189SB)
- [SDR K11A2026090400388](https://openairdocs.org/sdr/K11A2026090400388), Sep 4, 2026: Boeing 7374Q8. CONTROLLER. FAILED. AUTO FAIL LIGHT ON IN AIR, CABIN ALT NOT CONTROLLABLE IN MANUAL MODE. REMOVED AND REPLACED PRESSURE CONTROLLER IAW AMM 2 (N403CK)
- [SDR AALA202608316158](https://openairdocs.org/sdr/AALA202608316158), Aug 29, 2026: Boeing 737823. DUCT. LEAKING. AIRCRAFT WAS GROUNDED: CABIN ALT WARNING DESCENDING THROUGH 26K. STAYED AT 10K CABIN ALT. NO MASKS DROPPED IN THE CABIN. (N926NN)
- [SDR CALA2026083119025](https://openairdocs.org/sdr/CALA2026083119025), Aug 29, 2026: Boeing 767322. RELIEF VALVE. FAULTED. THUMPING NOISE AT DOOR 1R INFLIGHT. DURING A DETAILED VISUAL INSPECTION OF R1 DOOR, FOUND LOWER DOOR BUSTLE DETACHED & L (N649UA)
- [SDR 2026FA0000664](https://openairdocs.org/sdr/2026FA0000664), Aug 24, 2026: Cessna 525A. CABIN PRESS SYS. FAULTED. STARTED ENGINES AT 2W6 AT 1948 LOCAL. TAXIED TO RUNWAY 11, GOT A CLEARANCE, AND TOOK OFF AT 2007, AND REACHED FLIGHT LEV (N525KY)
- [SDR SWIA2026082376953](https://openairdocs.org/sdr/SWIA2026082376953), Aug 23, 2026: Emb ERJ170200LR. CABIN PRESS SYS. WARNING MESSAGE. AFTER CLIMBING THROUGH 10,000 RECEIVED TRIPLE CHIME AND CABIN ALTITUDE HI MESSAGE. PERFORMED QRH AND RETURNED TO DEPARTU (N192SY)
- [SDR DALA2026082504821](https://openairdocs.org/sdr/DALA2026082504821), Aug 22, 2026: Boeing 737932ER. CHECK VALVE. DAMAGED. ATB/PRES/DE- RETURNED TO ATL DUE INABILITY TO MAINTAIN PRESSURIZATION. FOUND GROUND CONDITIONED AIR CHECK VALVE DAMAGED. (N907DN)
- [SDR CALA2026082118779](https://openairdocs.org/sdr/CALA2026082118779), Aug 20, 2026: Airbus A321271NX. WARNING MESSAGE. FALSE ACTIVATION. EXCESS CABIN PPESSURE WARNING, MASTER CTN 4 MIN AFTER ENG SHUTDOWN. DOORS OPEN. NO POST FLIGHT FAULTS, PERFOREMED CABIN  (N14539)
- [SDR TSAA2026081700001](https://openairdocs.org/sdr/TSAA2026081700001), Aug 18, 2026: Boeing 737330. CABIN PRESS SYS. FAULTED. AT 1000 FT ON CLIMB OUT AUTO FAIL LIGHT ILLUMINATE AND STANDBY LIGHT ILLUMINATE CLIMB RATE PASS 3000FT/MIN DRIVE CABIN P (N301KH)
- [SDR DXTA2026081809323](https://openairdocs.org/sdr/DXTA2026081809323), Aug 17, 2026: Cessna 680A. CABIN PRESS SYS. NO DISCREPANCY. PASSING 17,000 FEET, RECEIVED A CABIN ALT HIGH YELLOW CAS. THE DELTA P WOULD NOT INCREASE PAST 0.6 PSI. RECEIVED A WHITE (N524QS)
- [SDR YENA2026081400673](https://openairdocs.org/sdr/YENA2026081400673), Aug 13, 2026: Airbus A321271NX. CABIN PRESS SYS. FAULTED. FLT 842, DUB-JFK. (ETOPS) CABIN PRESSURE 2 FAULT ( AUTOMATIC CABIN PRESSURE CONTROL SYSTEMS SYSTEM 2 (CPC 2) ). OPEN (N2193J)
- [SDR DXTA2026081009227](https://openairdocs.org/sdr/DXTA2026081009227), Aug 7, 2026: Cndair CL6002B16. MODULE. FAULTED. AFTER TAKEOFF THE AIRCRAFT WOULD NOT PRESSURIZE. WE USED QRH (CABIN ALT) FOR GUIDANCE, AND TRIED MANUAL MODE AND THE AIR (N261QS)
- [SDR YENA2026080500651](https://openairdocs.org/sdr/YENA2026080500651), Aug 4, 2026: Airbus A321271NX. WARNING MESSAGE. ILLUMINATED. FLT 1548, LAS-JFK. (ETOPS) SHORTLY AFTER T/O K/E GOT THE FOLLOWING ECAM : CPC SYSTEM 2 FAULT THIS IS A HISTORY ITEAM. OP (N2193J)
- [SDR 2026F00176](https://openairdocs.org/sdr/2026F00176), Aug 2, 2026: Cessna 525B. CABIN PRESS SYS. WARNING MESSAGE. AT 2252Z, SIS61 ON DEPARTURE FROM RUNWAY 33 AT ASE DECLARED AN EMERGENCY DUE TO A LOSS OF CABIN PRESSURE AND INFORMED TH (N615KJ)
- [SDR IPXA2026072316966](https://openairdocs.org/sdr/IPXA2026072316966), Jul 23, 2026: Boeing 76734AF. CONTROL PANEL. INOPERATIVE. EMERGENCY DECLARED, DIVERTED. RECEIVED CABIN ALT WARNING AT 40,000 FT. AUTO 1 AND AUTO 2 NOT WORKING. WAS ABLE TO REGAIN (N311UP)
- [SDR 2026FA0000586](https://openairdocs.org/sdr/2026FA0000586), Jul 11, 2026: Lear 60LEAR. MIXING VALVE. DEFECTIVE. AIRCRAFT DEPARTED KTIX EMPTY HEADING TO KOPF. ON TAKEOFF/CLIMB, CAPTAIN NOTICED CABIN AIR SWITCH WAS OFF, CAPTAIN THEN T (N924PS)
- [SDR HNAA2026071300593](https://openairdocs.org/sdr/HNAA2026071300593), Jul 11, 2026: Emb EMB145LR. WARNING MESSAGE. FALSE INDICATION. CABIN ALT AND CABIN RATE OF CHANGE INDICATION DASHED ON GROUND AND IN FLIGHT. CABIN PRESSURE ACQUISITION MODULE. MX PDPU (N649PP)
- [SDR DXTA2026070908711](https://openairdocs.org/sdr/DXTA2026070908711), Jul 6, 2026: Cndair CL6002B16. CONTROL PANEL. FAULTED. IMMEDIATELY AFTER TAKEOFF, NOTICED AIRCRAFT WAS NOT PRESSURIZING IN AUTO MODE. CLIMBED TO 5000' AND RAN MANUAL PRESSURIZ (N253QS)
- [SDR 19MA20260707001](https://openairdocs.org/sdr/19MA20260707001), Jul 6, 2026: Cessna 750. A/C PACK. OVERHEATED. CABIN PACK OVERHEAT CAS MESSAGE ACCOMPANIED WITH AN ASSOCIATED SLOW DEPRESSURIZATION OF THE CABIN; EMERGENCY DECENT PROC (N975JS)
- [SDR 2026FA0000566](https://openairdocs.org/sdr/2026FA0000566), Jul 3, 2026: Cessna 525A. PRESSURE VALVE. HUNG UP. THE CREW REPORTED HOT AIR OUT OF THE LOWER AIR REGISTERS, THE FREON SYSTEM NOT ABLE TO COMPENSATE FOR THE EXCESSIVE AIR  (N325GH)
- [SDR ABXA20260703306](https://openairdocs.org/sdr/ABXA20260703306), Jul 3, 2026: Boeing 767381. WARNING SYSTEM. FALSE ACTIVATION. AFTER TAKE OFF ON FLIGHT LEVEL 360 THE -CABIN ALT HI- ALARM WENT OFF. CREW PERFORMED PROCEDURE AND STARTED DESCEND ON FL (N290CM)
- [SDR 2026F00165](https://openairdocs.org/sdr/2026F00165), Jun 28, 2026: Cessna 525A. REGULATOR. FAILED. IN-FLIGHT AT 38,000 FT, DOOR SEAL ANNUNCIATOR ILLUMD. RAN CORRESPONDING EMERG CHKLIST. BEGAN DESCENT TO 31,000 FT & DONN (N525KY)
- [SDR RU3A20260625001](https://openairdocs.org/sdr/RU3A20260625001), Jun 23, 2026: Beech 300BEECH. CABIN PRESSURE. OVERPRESSURED. CREW REPORTED UPON CALLING AN ARRIVAL FOR FLC70 THAT THEY RETURNED TO KBWI FOR MAINTENANCE DUE TO AIRCRAFT OVER-PRESSURI (N70)
- [SDR DALA2026070703949](https://openairdocs.org/sdr/DALA2026070703949), Jun 19, 2026: Boeing 717200. RELAY. FAULTED. ATB- DUE TO THE AIRCRAFT NOT PRESSURIZING WITH AN ASSOCIATED -ALL PACKS OFF- MESSAGE. REPLACED R2-5104 PACK SHUTDOWN/AUT (N717JL)
- [SDR ABXA20260618269](https://openairdocs.org/sdr/ABXA20260618269), Jun 18, 2026: Boeing 767306. SELECTOR. DEFECTIVE. AIRPLANE DOES NOT HOLD PRESSURE AT 350 PRES. DIFF VARIES BETWEEN 7.8 - 8.6. CABIN ALT VARIES 5400 - 8000 FEET RATE VARIE (N1321A)
- [SDR HNAA2026061800548](https://openairdocs.org/sdr/HNAA2026061800548), Jun 17, 2026: Emb EMB145LR. CABIN PRESSURE. FAULTED. AIRCRAFT WILL NOT PRESSURIZE DURING FLIGHT. AUTO & MANUAL PRESSURIZATION C/W MAINT AND FLIGHT CREW PROCEDURES. DUMP BUTT (N905JH)
- [SDR N6WA2026061204](https://openairdocs.org/sdr/N6WA2026061204), Jun 10, 2026: Cndair CL6002C11. WARNING MESSAGE. FALSE ACTIVATION. CABIN ALTITUDE MASTER WARNING IN FLIGHT. EVALUATED AND INSPECTED AIRCRAFT AND FOUND TO BE IN SAFE CONDITION FOR ONE TIME (N526GJ)
- [SDR COEA2026052801807](https://openairdocs.org/sdr/COEA2026052801807), May 26, 2026: Aerosp ATR72212. WARNING MESSAGE. ILLUMINATED. FLIGHT 7739, ENROUTE BIL-GTF. AIR TURNBACK PERFORMED DUE TO LOSS OF AFCS, APM FAULT AND EXCESS CABIN ALTITUDE ON CLIMB O (N807FX)
- [SDR IPXA2026052066584](https://openairdocs.org/sdr/IPXA2026052066584), May 19, 2026: Boeing 75724APF. DUCT. LOOSE. CABIN ALTITUDE WARNING CLIMBING THROUGH FL 225. AIR TURN BACK SECURED LOOSE DUCT AND LOOSE SUPPORT RODS AT RH PACK PLENU (N438UP)
- [SDR 4TXA2026050700323](https://openairdocs.org/sdr/4TXA2026050700323), May 7, 2026: Boeing 7374B7. CONTROL MODULE. INTERMITTENT. INTERMITTENT WARNING HORN CABIN ALTITUDE LIGHT ILLUMINATED FL 270 CAB ALTITUDE SHOWING 11000 FT. FOLLOWED QRH AND LANDED (N802TJ)
- [SDR CALA2026043015903](https://openairdocs.org/sdr/CALA2026043015903), Apr 30, 2026: Boeing 737924ER. INDICATOR. FAULTY. AUTO FAIL PRESSURIZATION UNCONTROLABLE ABOVE FL250TOMC REQUEST. PERFORMED FIM 21-31 TASK 801, NO FINDINGS. ALL CHECKS GO (N65832)
- [SDR 2026F00074](https://openairdocs.org/sdr/2026F00074), Apr 16, 2026: Boeing 7378Q8. CABIN PRESSURE. FAULTED. DURING DESCENT TO SLCO FLIGHT 400 PRESURIZATION SYSTEM FAILED. SEVERAL PASSENGER OXYGEN GENERATORS ACTIVATED. CABIN PRES
- [SDR SWIA2026041575692](https://openairdocs.org/sdr/SWIA2026041575692), Apr 15, 2026: Cndair CL6002B19. WARNING MESSAGE. FALSE ACTIVATION. CABIN ALT CAUTION MESSAGE AT 19,000FT. RAN THROUGH CABIN ALT WARNING QRC, FOLLOWED BY CABIN ALT CAUTION QRH. MASKS DEPLO (N913EV)
- [SDR AALA202604149603](https://openairdocs.org/sdr/AALA202604149603), Apr 13, 2026: Boeing 737823. MODULE. FAILED. AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: AFTER TAKEOFF AUTOFAIL LIGHT ILLUMINATED, AIRCRAFT FAILED TO PR (N951NN)
- [SDR DALA2026041302321](https://openairdocs.org/sdr/DALA2026041302321), Apr 9, 2026: Boeing 737832. HEAT EXCHANGER. INOPERATIVE. RETURNED ORD DUE TO AIRCRAFT WOULD NOT MAINTAIN CABIN PRESSURIZATION. RIGHT PACK ON MEL. MAINTENANCE FOUND GROUND AIR CH (N3765)
- [SDR ABXA20260407152](https://openairdocs.org/sdr/ABXA20260407152), Apr 7, 2026: Boeing 767223. SHUTOFF VALVE. DEFECTIVE. IN CRUISE AT 4000', CABIN ALT HIGH LIGHT & WARNING CAME ON INITIATED EMERGENCY DESCENT AND LT PACK OFF, LEFT BLEED EICAS (N312AA)
- [SDR DXTA2026040907560](https://openairdocs.org/sdr/DXTA2026040907560), Apr 6, 2026: Cndair CL6002B16. SELECTOR. FAULTED. ON DEPARTURE, AIRCRAFT FAILED TO PRESSURIZE. NO CONTROL OF PRESSURIZATION VIA AUTO OR MANUAL. DURING CLIMB AND DECENT HE (N253QS)
- [SDR DXTA2026040707520](https://openairdocs.org/sdr/DXTA2026040707520), Apr 3, 2026: Cndair CL6002B16. CABIN PRESSURE. MALFUNCTIONED. ON DEPARTURE, OUR AIRPLANE WAS NOT PRESSURIZING. WE CONTINUED TO CLIMB, AND AT ABOUT 3500 FEET. THE AIRPLANE STARTED TO  (N216QS)
- [SDR MJYA20260403002](https://openairdocs.org/sdr/MJYA20260403002), Apr 3, 2026: Doug DC915F. CONTROL VALVE. STUCK. UNABLE TO MAINTAIN CABIN PRESSURE WITH ONE PACK. CABIN LIGHT ILLUMINATED SHORTLY AFTER REACHING FL250. LAFT PACK INOP. R (N782TW)

All 3,454: https://openairdocs.org/jasc/2130/reports.md

## Other codes in chapter 21

- [JASC 2100](https://openairdocs.org/jasc/2100): Air Conditioning System (1,354 reports)
- [JASC 2110](https://openairdocs.org/jasc/2110): Cabin Compressor System (252 reports)
- [JASC 2120](https://openairdocs.org/jasc/2120): Air Distribution System (15,360 reports)
- [JASC 2121](https://openairdocs.org/jasc/2121): Air Distribution Fan (4,375 reports)
- [JASC 2131](https://openairdocs.org/jasc/2131): Cabin Pressure Controller (2,041 reports)
- [JASC 2132](https://openairdocs.org/jasc/2132): Cabin Pressure Indicator (94 reports)
- [JASC 2133](https://openairdocs.org/jasc/2133): Pressure Regulator/Outflow Valve (1,711 reports)
- [JASC 2134](https://openairdocs.org/jasc/2134): Cabin Pressure Sensor (40 reports)
- [JASC 2140](https://openairdocs.org/jasc/2140): Heating System (1,020 reports)
- [JASC 2150](https://openairdocs.org/jasc/2150): Cabin Cooling System (12,384 reports)
- [JASC 2160](https://openairdocs.org/jasc/2160): Cabin Temperature Control System (3,040 reports)
- [JASC 2161](https://openairdocs.org/jasc/2161): Cabin Temperature Controller (308 reports)
- [JASC 2162](https://openairdocs.org/jasc/2162): Cabin Temperature Indicator (69 reports)
- [JASC 2163](https://openairdocs.org/jasc/2163): Cabin Temperature Sensor (154 reports)
- [JASC 2170](https://openairdocs.org/jasc/2170): Humidity Control System (1,332 reports)
- [JASC 2197](https://openairdocs.org/jasc/2197): Air Conditioning System Wiring (497 reports)

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