What was found
LOST CABIN ALT AUTO 2 IN ROUTE, AUTO 1 WAS ALREADY ON MEL REMOVED AND REPLACED #2 AUTOMATIC PRESSURE CONTROLER REF AMM 21-31-2-4 OPS CHECK GOOD.
- Difficulty date
- December 17, 2021
- Submitted
- December 20, 2021
- Operation
- Air carrier
- Aircraft
- N774FD
- Make and model
- Boeing 757200
- Aircraft serial
- 26709
- Aircraft time
- 74,382 hours, 27,451 cycles
- System (JASC)
- 2130 · Cabin Pressure Control System
- Part
- Controller
- Part number
- 211738815
- Part serial
- 47G0065
- Condition
- Failed
- Location
- N/A
- Stage of operation
- CR
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.