What was found
PRESSURIZATION SELECTOR SWITCH WAS IN AUTO POSITION & GREEN ALTERNATE LIGHT ON. ACFT GROUNDED. REMOVED AND REPLACED THE NR 2 CABIN PRESSURE CONTROLLER, OPS NORMAL IAW AMM 21-31-01.
- Difficulty date
- August 25, 2018
- Submitted
- August 27, 2018
- Operation
- Air carrier
- Aircraft
- N563AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35180
- Aircraft time
- 45,127 hours, 13,548 cycles
- System (JASC)
- 2131 · Cabin Pressure Controller
- Part
- Controller
- Part number
- 71211997101AC
- Part serial
- 0696247
- Condition
- Failed
- Location
- Cabin Pressure
- Part time
- 45,141 hours, 13,552 cycles
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.