What was found
CABIN ALTITUDE AUTO 2 MESSAGE DISPLAYED. LOSS OF CABIN PRESSUE. EMERGENCY DECLARED. REPLACED THE NR 2 CABIN PRESSURE CONTROLLER IAW FIM 21-30-00-815-803, AND AMM 21-31-02-0401. OPS NORMAL.
- Difficulty date
- August 8, 2017
- Submitted
- August 9, 2017
- Operation
- Air carrier
- Aircraft
- N434UP
- Make and model
- Boeing 75724APF
- Aircraft serial
- 25465
- Aircraft time
- 24,331 hours, 16,762 cycles
- System (JASC)
- 2131 · Cabin Pressure Controller
- Part
- Controller
- Condition
- Malfunctioned
- Location
- Cabin Pressure
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.