# Service difficulty reports: JASC 2130

A list on [JASC 2130](https://openairdocs.org/jasc/2130.md).

Reports filed under 2130 · Cabin Pressure Control System, newest first.

Page 1 of 70 · 3,458 reports

- [SDR DALA2026102805915](https://openairdocs.org/sdr/DALA2026102805915.md): Cabin Press Sys · malfunctioned · Oct 28, 2026 · N371NB · Airbus A319114
  > PRESSURIZATION, PASSING 27,000 ON CLIMB OUT-ECAM AIR BLEED 1 AND AIR PACK 1 FAULTS COMPLETED ECAM PROCEDURES BUT CABIN PRESSURE STARTED TO RISE, EVENTUALLY GETTING TO 9700 DURING EMERGENCY DESCENT. GOT ECAM FOR EXCESSIVE CABIN (CONTINUED FROM ABOVE) ALTITUDE.
- [SDR DXTA2026102910379](https://openairdocs.org/sdr/DXTA2026102910379.md): Module · defective · Oct 27, 2026 · N459QS · Emb EMB505
  > ON THE GROUND, HAD THE PRSN AUTO FAIL CAS MESSAGE THAT WAS CLEARED USING THE GROUND RESET. LATER WHILE CLIMBING BETWEEN 15K-17K WE HEARD A WOOSHING NOISE AND NOTICED THE CABIN RATE FLUCTUATING +/- 800 FPM. THEN AFTER LANDING DID THE SAME. REPLACED ECMU AND O
- [SDR CALA2026102720592](https://openairdocs.org/sdr/CALA2026102720592.md): Cabin Pressure · lost · Oct 25, 2026 · N75435 · Boeing 737924ER
  > PASSING 14000FT LOST PRESSURIZATION ON DESCENT GOT TO 8000, OUTFLOW VALVE OPENED. C/W CABIN DEPRESSURIZATION CONDITIONAL INSPECTION IAW AMM 05-51-81-210-801, NO DEFECTS NOTED. PERFORMED PRESSURIZATION SYSTEM GROUND TEST IAW AMM 21-31-00-700-802 OPS CHECK GOOD
- [SDR CALA2026102620552](https://openairdocs.org/sdr/CALA2026102620552.md): Cabin Pressure · uncontrollable · Oct 21, 2026 · N79541 · Boeing 737824
  > CREW REPORTS UNABLE TO CONTROL CABIN ALTITUDE. EMERGENCY DECLARED. CREW DESCENDED TO 10,000FT. NO OVERWEIGHT LANDING. FLIGHT CREW REPORTS BURNING ODOR DURING DESCENT. RAN LEFT AND RIGHT PACKS TO EVALUATE FOR SMOKE ODOR IN CABIN, NO SMOKE ODOR NOTED IN CABIN R
- [SDR IPXA2026101937503](https://openairdocs.org/sdr/IPXA2026101937503.md): Control Valve · faulted · Oct 14, 2026 · N438UP · Boeing 75724APF
  > CABIN ALTITUDE EICAS MSG AT FL300. IN ADDITION TO CABIN ALTITUDE FAULT. RT PACK FLOW CONTROL AND SHUTOFF VALVE WAS REMOVED AND REPLACED. OPERATIONAL TESTED BOTH LEFT AND RIGHT PACKS. MOVED PACK TEMPERATURE CONTROLS TO LOW AND HIGH SETTINGS. SYSTEM OPERATIONALL
- [SDR R61A2026101300302](https://openairdocs.org/sdr/R61A2026101300302.md): Warning Message · illuminated · Oct 12, 2026 · N638RW · Emb ERJ170100SE
  > PRESN AUTO FAULT. EXCESSIVE FPM CABIN RATE (-4000 AMBER) ON EICAS AT FL350. IN DESCENT PRESN AUTO FAULT APPEARED. CREW DIDN'T ATTEMPT TO ADJUST CABIN PRESSURE MANUALLY. DECLARED EMERGENCY AND LANDED WITH NO INCIDENT. PERFORMED CPCS-CONTROLLER-CHANNELS FUNCTION
- [SDR N6WA2026101501](https://openairdocs.org/sdr/N6WA2026101501.md): Warning Message · activated · Oct 9, 2026 · N549GJ · Cndair CL6002C11
  > CABIN ALT MESSAGE. PERFORMED TASK 21-24-18-040-801 IAW MEL 21-24-07 CAT C ON OCN 70104893.
- [SDR FDEA202610091507](https://openairdocs.org/sdr/FDEA202610091507.md): Shutoff Valve · faulted · Oct 9, 2026 · N995FD · Boeing 7572Q8
  > AT FL350, GOT MASTER WARNING CABIN ALTITUDE, WENT TO 12,000FT. (EMERGENCY DECLARED) R & R LT PACK FLOW CONTROL AND SHUTOFF VALVE. OPS CHECK, LEAK CHECK GOOD.
- [SDR AALA202610109708](https://openairdocs.org/sdr/AALA202610109708.md): Heat Exchanger · damaged · Oct 8, 2026 · N746UW · Airbus A319112
  > AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO THE FLIGHT CREW REPORTING THAT CABIN PRESSURE CLIMBED OUT OF RANGE DURING CLIMB THROUGH 35000 FT - CABIN PRESSURE RETURNED TO LIMITS WHEN AIRCRAFT DESCENDED BELOW 30000 FT AND PACK FLOW SWITCH IN HIGH - C
- [SDR CALA2026100620150](https://openairdocs.org/sdr/CALA2026100620150.md): Sensor · faulted · Oct 4, 2026 · N2138U · Boeing 777300ER
  > BLEED FAMV L EICAS STATUS LEFT ENGINE BLEED FAN AIR MODULATING VALVE (FAMV) FAILED OPEN OR CLOSED OR LEFT AIR SUPPLY AND CABIN PRESSURE CONTROLLER FAILURE. DB AIR SUPPLY & CABIN PRESSURE CONTROLLER (L) REF LP 3597938, REPLACED SENSOR M36004. ACCOMPLISHED ENGI
- [SDR K11A2026092400392](https://openairdocs.org/sdr/K11A2026092400392.md): Control Panel · failed · Sep 24, 2026 · N733CK · Boeing 737436
  > PRESSURIZATION FAIL DURING DESCENT, MANUAL MODE DID NOT WORK. REMOVED AND REPLACED PRESSURE CONTROL MODULE IAW AMM 21-31-25, OPS CHECK PERFORMED IAW AMM 21-31-00/205 OPS CHECK GOOD NO DEFECTS NOTED, REF LP 737-004-8615 ITEM #2. PERFORMED CABIN PRESSURIZATION
- [SDR IPXA2026092487635](https://openairdocs.org/sdr/IPXA2026092487635.md): Cabin Press Sys · faulted · Sep 23, 2026 · N169UP · Airbus A300F4622R
  > IN DESCENT AT ABOUT 6000 FT WE RECIEVED CAB PRESS ADV, VS ON CAB PRESS PAGE WAS AT 1500 FT/MIN A NOTICEABLE HISSING SOUND FROM CAPTAINS SIDE OF COCKPIT AND NOTICEABLE EAR POPS FOR CAPT AND FO PERFORMED INSP/CHECK OF PREFORMED SEAL CAPT. SLIDING WINDOW PER AMM
- [SDR IPXA2026092387635](https://openairdocs.org/sdr/IPXA2026092387635.md): Cabin Pressure · low pressure · Sep 23, 2026 · N169UP · Airbus A300F4622R
  > DURING DESCENT AT ABOUT 6000 FT, RECIEVED CABIN PRESSURE ADV, VS ON CABIN PRESSURE PAGE WAS AT 1500 FT/MIN A NOTICEABLE HISSING SOUND FROM CAPTAINS SIDE OF COCKPIT AND NOTICEABLE EAR POPS FOR CAPT AND FO.
- [SDR SIMA20260918001](https://openairdocs.org/sdr/SIMA20260918001.md): Warning Message · illuminated · Sep 18, 2026 · N743MB · Emb ERJ170100SU
  > CLIMBING THROUGH APPX FL200, RECEIVED CABIN ALTITUDE CAUTION THEN WARNING. PACK 1 WAS ALREADY MEL'D. FLYIN ON PACK 2 ONLY. MAX CABIN ALTITUDE OBSERVED AROUND 10,700 AND CLIMBING. CREW DONNED 02 MASKS AND PERFORMED EMERGENCY DESCENT TO SAFE ALTITUDE OF 11,000MS
- [SDR DXTA2026091009622](https://openairdocs.org/sdr/DXTA2026091009622.md): Pressure Valve · faulted · Sep 8, 2026 · N447QS · Emb EMB505
  > CABIN ALTITUDE HI CAS WARNING MESSAGE ILLUMINATED WHILE LEVELING AT 430. CABIN DID NOT SEEM TO GO ABOVE 10000FT AND PAX MASKS DID NOT DROP. ONCE AT 10000FT AIRCRAFT PRESSURIZATION DIFFERENTIAL SEEMED TO BE NOT NORMAL ALL THE WAY DOWN TO SEA LEVEL AND LANDING.
- [SDR G41A2026090070685](https://openairdocs.org/sdr/G41A2026090070685.md): Cabin Press Sys · malfunctioned · Sep 4, 2026 · N189SB · Lear 60LEAR
  > ON FRIDAY 9/5/2026, ACFT DEPARTED KROC HEADING TO KBFD. ON CLIMB, THE PRESSURIZATION SYSTEM AUTOMATIC MODE FAULT LIGHT ILLUMINATED. THE CAPTAIN SELECTED MANUAL MODE AND WAS ABLE TO CONTROL THE PRESSURIZATION SYSTEM. THE CREW DECIDED TO RETURN TO KROC. THE SYST
- [SDR K11A2026090400388](https://openairdocs.org/sdr/K11A2026090400388.md): Controller · failed · Sep 4, 2026 · N403CK · Boeing 7374Q8
  > AUTO FAIL LIGHT ON IN AIR, CABIN ALT NOT CONTROLLABLE IN MANUAL MODE. REMOVED AND REPLACED PRESSURE CONTROLLER IAW AMM 21-31-21. CONTROLLER OPS CHECK PERFORMED IAW AMM 21-31-00 OPS TEST GOOD PERFORMED CABIN PRESSURE LEAK TEST IAW AMM 05-51-91, OPS CHECK GOO
- [SDR AALA202608316158](https://openairdocs.org/sdr/AALA202608316158.md): Duct · leaking · Aug 29, 2026 · N926NN · Boeing 737823
  > AIRCRAFT WAS GROUNDED: CABIN ALT WARNING DESCENDING THROUGH 26K. STAYED AT 10K CABIN ALT. NO MASKS DROPPED IN THE CABIN. FLIGHT DECK USED PILOTS O2 MASKS. ARFF WAS DISTPATCHED AS A PRECAUTION. AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED APU PNEUMAT
- [SDR CALA2026083119025](https://openairdocs.org/sdr/CALA2026083119025.md): Relief Valve · faulted · Aug 29, 2026 · N649UA · Boeing 767322
  > THUMPING NOISE AT DOOR 1R INFLIGHT. DURING A DETAILED VISUAL INSPECTION OF R1 DOOR, FOUND LOWER DOOR BUSTLE DETACHED & LOOSE ON FWD SIDE. BUSTLE RESECURED IAW AMM 25-66-01-416-010. WHILE CARRING OUT THE EXCESSIVE CABIN PRESSURE LEAKAGE TEST IAW AMM 05-51-2
- [SDR 2026FA0000664](https://openairdocs.org/sdr/2026FA0000664.md): Cabin Press Sys · faulted · Aug 24, 2026 · N525KY · Cessna 525A
  > STARTED ENGINES AT 2W6 AT 1948 LOCAL. TAXIED TO RUNWAY 11, GOT A CLEARANCE, AND TOOK OFF AT 2007, AND REACHED FLIGHT LEVEL 450 AT 2047. WE STARTED THE DESCENT AT ABOUT 2121:30. AT FL360 (2129:30), WE GOT THE DOOR SEAL ANNUNCIATION. ISAIAH STARTED INCREASING HI
- [SDR SWIA2026082376953](https://openairdocs.org/sdr/SWIA2026082376953.md): Cabin Press Sys · warning message · Aug 23, 2026 · N192SY · Emb ERJ170200LR
  > AFTER CLIMBING THROUGH 10,000 RECEIVED TRIPLE CHIME AND CABIN ALTITUDE HI MESSAGE. PERFORMED QRH AND RETURNED TO DEPARTURE AIRPORT. (FLIGHT 3495) WHEN ARRIVING TO THE AIRCRAFT, THE PRESSURIZATION PANEL THE MODE WAS SET TO MANUAL, RATHER THAN BEING IN AUTO FO
- [SDR DALA2026082504821](https://openairdocs.org/sdr/DALA2026082504821.md): Check Valve · damaged · Aug 22, 2026 · N907DN · Boeing 737932ER
  > ATB/PRES/DE- RETURNED TO ATL DUE INABILITY TO MAINTAIN PRESSURIZATION. FOUND GROUND CONDITIONED AIR CHECK VALVE DAMAGED. REPLACED SAME. PACK OPS AND LEAK CHECK GOOD. (9124312) AIRCRAFT WAS GROUNDED
- [SDR CALA2026082118779](https://openairdocs.org/sdr/CALA2026082118779.md): Warning Message · false activation · Aug 20, 2026 · N14539 · Airbus A321271NX
  > EXCESS CABIN PPESSURE WARNING, MASTER CTN 4 MIN AFTER ENG SHUTDOWN. DOORS OPEN. NO POST FLIGHT FAULTS, PERFOREMED CABIN PRESSURE CONTROL BITE TEST, OPS CHKD GOOD IAW AMM 21-31-00-710-002-A
- [SDR TSAA2026081700001](https://openairdocs.org/sdr/TSAA2026081700001.md): Cabin Press Sys · faulted · Aug 18, 2026 · N301KH · Boeing 737330
  > AT 1000 FT ON CLIMB OUT AUTO FAIL LIGHT ILLUMINATE AND STANDBY LIGHT ILLUMINATE CLIMB RATE PASS 3000FT/MIN DRIVE CABIN PRESS BELOW SEA LEVEL
- [SDR DXTA2026081809323](https://openairdocs.org/sdr/DXTA2026081809323.md): Cabin Press Sys · no discrepancy · Aug 17, 2026 · N524QS · Cessna 680A
  > PASSING 17,000 FEET, RECEIVED A CABIN ALT HIGH YELLOW CAS. THE DELTA P WOULD NOT INCREASE PAST 0.6 PSI. RECEIVED A WHITE CABIN ALTITUDE CAS BEFORE BUT ASSUMED IT WAS ASSOCIATED WITH GOING A HIGH ALTITUDE AIRPORT. TEXTRON REVIEWED THE ARES FILES WITH NO FINDI
- [SDR YENA2026081400673](https://openairdocs.org/sdr/YENA2026081400673.md): Cabin Press Sys · faulted · Aug 13, 2026 · N2193J · Airbus A321271NX
  > FLT 842, DUB-JFK. (ETOPS) CABIN PRESSURE 2 FAULT ( AUTOMATIC CABIN PRESSURE CONTROL SYSTEMS SYSTEM 2 (CPC 2)). OPEN
- [SDR DXTA2026081009227](https://openairdocs.org/sdr/DXTA2026081009227.md): Module · faulted · Aug 7, 2026 · N261QS · Cndair CL6002B16
  > AFTER TAKEOFF THE AIRCRAFT WOULD NOT PRESSURIZE. WE USED QRH (CABIN ALT) FOR GUIDANCE, AND TRIED MANUAL MODE AND THE AIRCRAFT STILL WOULD NOT PRESSURIZE. REPLACED DEFECTIVE CABIN PRESSURE CONTROLLER IAW AMM 21-31-13-400-801, NO DEFECTS NOTED. REPLACED DEFECTI
- [SDR YENA2026080500651](https://openairdocs.org/sdr/YENA2026080500651.md): Warning Message · illuminated · Aug 4, 2026 · N2193J · Airbus A321271NX
  > FLT 1548, LAS-JFK. (ETOPS) SHORTLY AFTER T/O K/E GOT THE FOLLOWING ECAM: CPC SYSTEM 2 FAULT THIS IS A HISTORY ITEAM. OPEN
- [SDR 2026F00176](https://openairdocs.org/sdr/2026F00176.md): Cabin Press Sys · warning message · Aug 2, 2026 · N615KJ · Cessna 525B
  > AT 2252Z, SIS61 ON DEPARTURE FROM RUNWAY 33 AT ASE DECLARED AN EMERGENCY DUE TO A LOSS OF CABIN PRESSURE AND INFORMED THE RADAR CONTROLLER THEY WERE DESCENDING BACK TO 100 AND NEEDED TO DIVERT TO RIL. THEY DESCENDED FROM 121 TO 100 IN AN 115 MVA AND REQUESTED
- [SDR IPXA2026072316966](https://openairdocs.org/sdr/IPXA2026072316966.md): Control Panel · inoperative · Jul 23, 2026 · N311UP · Boeing 76734AF
  > EMERGENCY DECLARED, DIVERTED. RECEIVED CABIN ALT WARNING AT 40,000 FT. AUTO 1 AND AUTO 2 NOT WORKING. WAS ABLE TO REGAIN PRESSURIZATION CONTROL IN MANUAL MODE REMOVED AND REPLACED CABIN PRESSURIZATION SELECTOR PANEL IAW AMM 21-31-01. OPS TEST GOOD REMOVED AN
- [SDR 2026FA0000586](https://openairdocs.org/sdr/2026FA0000586.md): Mixing Valve · defective · Jul 11, 2026 · N924PS · Lear 60LEAR
  > AIRCRAFT DEPARTED KTIX EMPTY HEADING TO KOPF. ON TAKEOFF/CLIMB, CAPTAIN NOTICED CABIN AIR SWITCH WAS OFF, CAPTAIN THEN TURNED IT ON. A FEW MOMENTS LATER CREW WERE GETTING HOT AIR & SMOKY RESIDUE IN COCKPIT AREA. THEY ELECTED TO RETURN TO KTIX, DECLARE AN EMERG
- [SDR HNAA2026071300593](https://openairdocs.org/sdr/HNAA2026071300593.md): Warning Message · false indication · Jul 11, 2026 · N649PP · Emb EMB145LR
  > CABIN ALT AND CABIN RATE OF CHANGE INDICATION DASHED ON GROUND AND IN FLIGHT. CABIN PRESSURE ACQUISITION MODULE. MX PDPU A/C AND ALL INDICATIONS CAME BACK ROA UPON FURTHER INVESTIGATION ALL DISPLAYS WERE FOUND TO FUNCTION PROPERLY. OPS CHECKED PRESSURIZATIO
- [SDR DXTA2026070908711](https://openairdocs.org/sdr/DXTA2026070908711.md): Control Panel · faulted · Jul 6, 2026 · N253QS · Cndair CL6002B16
  > IMMEDIATELY AFTER TAKEOFF, NOTICED AIRCRAFT WAS NOT PRESSURIZING IN AUTO MODE. CLIMBED TO 5000' AND RAN MANUAL PRESSURIZATION QRH WITH NEGATIVE RESULTS. REMOVED AND REPLACED CABIN PRESSURIZATION PANEL WITH A NEW CUSTOMER SUPPLIED UNIT, OPS CHECK SATISFACTORY.
- [SDR 19MA20260707001](https://openairdocs.org/sdr/19MA20260707001.md): A/C Pack · overheated · Jul 6, 2026 · N975JS · Cessna 750
  > CABIN PACK OVERHEAT CAS MESSAGE ACCOMPANIED WITH AN ASSOCIATED SLOW DEPRESSURIZATION OF THE CABIN; EMERGENCY DECENT PROCEDURE WAS PERFORMED WITH CABIN ALTITUDE OVER 14,000 FEET. MESSAGE DISAPPEARED ABOUT 5 MINUTES AFTER AND AIRFLOW REESTABLISHED; CABIN ALTITUD
- [SDR 2026FA0000566](https://openairdocs.org/sdr/2026FA0000566.md): Pressure Valve · hung up · Jul 3, 2026 · N325GH · Cessna 525A
  > THE CREW REPORTED HOT AIR OUT OF THE LOWER AIR REGISTERS, THE FREON SYSTEM NOT ABLE TO COMPENSATE FOR THE EXCESSIVE AIR DISCHARGE.TROUBLE SHOT THE SYSTEM AND FOUND THE PRSOV PRESSURE REGULATION SHOT OFF VALVES NOT REGULATING AIR TEMPERATURS.
- [SDR ABXA20260703306](https://openairdocs.org/sdr/ABXA20260703306.md): Warning System · false activation · Jul 3, 2026 · N290CM · Boeing 767381
  > AFTER TAKE OFF ON FLIGHT LEVEL 360 THE -CABIN ALT HI- ALARM WENT OFF. CREW PERFORMED PROCEDURE AND STARTED DESCEND ON FL320. THE CABIN ALT. WAS BACK TO NORMAL. AFTER LANDING, MTC PERFORMED (BITE) TESTS ON CABIN PRESSURE CONTROLLERS NR 1 AND 2. TESTED NORMAL AN
- [SDR 2026F00165](https://openairdocs.org/sdr/2026F00165.md): Regulator · failed · Jun 28, 2026 · N525KY · Cessna 525A
  > IN-FLIGHT AT 38,000 FT, DOOR SEAL ANNUNCIATOR ILLUMD. RAN CORRESPONDING EMERG CHKLIST. BEGAN DESCENT TO 31,000 FT & DONNED OXYGEN MASKS, A POP WAS HEARD, FOLLOWED BY A HISSING SOUND. THEN, THE CABIN ALT ANNUNCIATOR & MASTER WARNING LIGHTS CAME ON AS CABIN ALT
- [SDR RU3A20260625001](https://openairdocs.org/sdr/RU3A20260625001.md): Cabin Pressure · overpressured · Jun 23, 2026 · N70 · Beech 300BEECH
  > CREW REPORTED UPON CALLING AN ARRIVAL FOR FLC70 THAT THEY RETURNED TO KBWI FOR MAINTENANCE DUE TO AIRCRAFT OVER-PRESSURIZATION AND A STRANGE ODOR AND POSSIBLE FUMES. ATC DECLARED AN EMERGENCY ON BEHALF OF THE CREW. AFTER DESCENDING TO 10,000FT AND DEPRESSURIZI
- [SDR DALA2026070703949](https://openairdocs.org/sdr/DALA2026070703949.md): Relay · faulted · Jun 19, 2026 · N717JL · Boeing 717200
  > ATB- DUE TO THE AIRCRAFT NOT PRESSURIZING WITH AN ASSOCIATED -ALL PACKS OFF- MESSAGE. REPLACED R2-5104 PACK SHUTDOWN/AUTO OFF RELAY AND PERFORMED VERIFICATION FLIGHT. OPS CHECK GOOD.(8318756)(AIRCRAFT GROUNDED)
- [SDR ABXA20260618269](https://openairdocs.org/sdr/ABXA20260618269.md): Selector · defective · Jun 18, 2026 · N1321A · Boeing 767306
  > AIRPLANE DOES NOT HOLD PRESSURE AT 350 PRES. DIFF VARIES BETWEEN 7.8 - 8.6. CABIN ALT VARIES 5400 - 8000 FEET RATE VARIES BETWEEN & AND - 500 FT. REMOVED AND REPLACED CABIN PRESSURE SELECTOR IAW AMM 23-31-01. OPS CHECK OK. C/W A/C PRESSURIZATION IAW AMM 05-51-
- [SDR HNAA2026061800548](https://openairdocs.org/sdr/HNAA2026061800548.md): Cabin Pressure · faulted · Jun 17, 2026 · N905JH · Emb EMB145LR
  > AIRCRAFT WILL NOT PRESSURIZE DURING FLIGHT. AUTO & MANUAL PRESSURIZATION C/W MAINT AND FLIGHT CREW PROCEDURES. DUMP BUTTON SELECTED. PERFORMED OPERATIONAL CHECK OF BOTH MANUAL & AUTO PRESSURIZATION CONTROL SYSTEMS IAW AMM 21-31-00. OPS CHECK GOOD. DETER
- [SDR N6WA2026061204](https://openairdocs.org/sdr/N6WA2026061204.md): Warning Message · false activation · Jun 10, 2026 · N526GJ · Cndair CL6002C11
  > CABIN ALTITUDE MASTER WARNING IN FLIGHT. EVALUATED AND INSPECTED AIRCRAFT AND FOUND TO BE IN SAFE CONDITION FOR ONE TIME FERRY FLIGHT KBTV TO KSTL.
- [SDR COEA2026052801807](https://openairdocs.org/sdr/COEA2026052801807.md): Warning Message · illuminated · May 26, 2026 · N807FX · Aerosp ATR72212
  > FLIGHT 7739, ENROUTE BIL-GTF. AIR TURNBACK PERFORMED DUE TO LOSS OF AFCS, APM FAULT AND EXCESS CABIN ALTITUDE ON CLIMB OUT. NO EMERGENCY DECLARED. MAINTENANCE CLEANED THE AIR VENTILATION VALVE AND OPS CHECKED THE PRESSURE CONTROL SYSTEM. OPS CHECKS OF AFCS A
- [SDR IPXA2026052066584](https://openairdocs.org/sdr/IPXA2026052066584.md): Duct · loose · May 19, 2026 · N438UP · Boeing 75724APF
  > CABIN ALTITUDE WARNING CLIMBING THROUGH FL 225. AIR TURN BACK SECURED LOOSE DUCT AND LOOSE SUPPORT RODS AT RH PACK PLENUM MAIN DUCT. REF IPC 21-51-15-01 ITEM 215 AND 203. WILL REQUIRE ACFT PRESSURIZATION CHECK WITH BOTH PACK OPERATING.
- [SDR 4TXA2026050700323](https://openairdocs.org/sdr/4TXA2026050700323.md): Control Module · intermittent · May 7, 2026 · N802TJ · Boeing 7374B7
  > INTERMITTENT WARNING HORN CABIN ALTITUDE LIGHT ILLUMINATED FL 270 CAB ALTITUDE SHOWING 11000 FT. FOLLOWED QRH AND LANDED THE AIRCRAFT IN MUCU SAFELY. EMERGENCY DECLARED.
- [SDR CALA2026043015903](https://openairdocs.org/sdr/CALA2026043015903.md): Indicator · faulty · Apr 30, 2026 · N65832 · Boeing 737924ER
  > AUTO FAIL PRESSURIZATION UNCONTROLABLE ABOVE FL250TOMC REQUEST. PERFORMED FIM 21-31 TASK 801, NO FINDINGS. ALL CHECKS GOOD. STATUS INDICATIONS ARE AS EXPECTED. AUTOFAIL LIGHT IS OFF. PERFORMED 1 AND 2 PRESSURE CONTROLLERS GROUND TEST, REF AMM TASK 21-31-00-70
- [SDR 2026F00074](https://openairdocs.org/sdr/2026F00074.md): Cabin Pressure · faulted · Apr 16, 2026 · Boeing 7378Q8
  > DURING DESCENT TO SLCO FLIGHT 400 PRESURIZATION SYSTEM FAILED. SEVERAL PASSENGER OXYGEN GENERATORS ACTIVATED. CABIN PRESSURIZATION CONDITIONAL INSPECTION PERFORMED. PRESSURIZATION SYSTEM GROUND TEST OK. (CP-2925)
- [SDR SWIA2026041575692](https://openairdocs.org/sdr/SWIA2026041575692.md): Warning Message · false activation · Apr 15, 2026 · N913EV · Cndair CL6002B19
  > CABIN ALT CAUTION MESSAGE AT 19,000FT. RAN THROUGH CABIN ALT WARNING QRC, FOLLOWED BY CABIN ALT CAUTION QRH. MASKS DEPLOYED. FA REPORTED WISPY WHITE SMOKE IN CABIN MOST PROMINENT IN AFT PORTION ALONG WITH ELECTRICAL BURNING ODOR. PILOTS ALSO SMELLED ELECTRICA
- [SDR AALA202604149603](https://openairdocs.org/sdr/AALA202604149603.md): Module · failed · Apr 13, 2026 · N951NN · Boeing 737823
  > AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: AFTER TAKEOFF AUTOFAIL LIGHT ILLUMINATED, AIRCRAFT FAILED TO PRESSURIZE, ALTERNATE MODE INOPERATIVE AS WELL. AIRCRAFT AIR INTERRUPTED BACK TO AND LANDED SAFELY AT RDU. FOLLOWED FIM TASK 21-31-00-810-801.
- [SDR DALA2026041302321](https://openairdocs.org/sdr/DALA2026041302321.md): Heat Exchanger · inoperative · Apr 9, 2026 · N3765 · Boeing 737832
  > RETURNED ORD DUE TO AIRCRAFT WOULD NOT MAINTAIN CABIN PRESSURIZATION. RIGHT PACK ON MEL. MAINTENANCE FOUND GROUND AIR CHECK VALVE OBSTRUCTED. RESEATED CLAMPS ON CHECK VALVE. REPLACED DAMAGED PLENUM AND SECONDARY HEAT EXCHANGER, REPLACED 4 MISSING FUSELAGE DR

Next page: https://openairdocs.org/jasc/2130/reports.md?page=2

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
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
```

This list as a web page: https://openairdocs.org/jasc/2130/reports

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