What was found
AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: SHORTLY AFTER LEVEL OFF AT FL370, CABIN ALTITUDE ALERT SOUNDED AND FLASHED, MANUALLY DEPLOYED MASKS. AIRCRAFT DIVERTED TO AND LANDED SAFELY AT PIT. (OPEN).
- Difficulty date
- December 7, 2025
- Submitted
- December 8, 2025
- Operation
- Air carrier
- Aircraft
- N862NN
- Make and model
- Boeing 737823
- Aircraft serial
- 30905
- Aircraft time
- 44,223 hours, 18,948 cycles
- System (JASC)
- 2130 · Cabin Pressure Control System
- Part
- Cabin Pressure
- Condition
- Faulted
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- J, G
- Precautionary procedure
- A, I
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.