What was found
CABIN ALT LIGHT ILLUMINATED AT FL390, PRESS CONTROLLER IN ALT MODE PER MEL 21-14-03, CABIN CONTINUED TO CLIMB TO 10,000, CONTINUED TO 11,000 CABIN CONTROLLER IN MAN MODE. EMERGENCY DECENT WITH OUTFLOW VALVE INDICATING CLOSED
- Difficulty date
- May 7, 2023
- Submitted
- May 11, 2023
- Operation
- Air carrier
- Aircraft
- N916BR
- Make and model
- Boeing 7378AS
- Aircraft serial
- 29916
- Aircraft time
- 66,728 hours, 45,502 cycles
- System (JASC)
- 2131 · Cabin Pressure Controller
- Part
- Unknown
- Condition
- Unknown
- Location
- Unknown
- Stage of operation
- CR
- How discovered
- 9
- Nature of condition
- J
- Precautionary procedure
- B
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.