What was found
AIRCRAFT NOT GROUNDED, LAND ALT: WINDOW IS ERRATIC, SOMETIMES FROZEN, SOMETIMES CHANGES WITHOUT PILOT INPUT. REPLACED CABIN PRESSURE CONTROL MODULE PER AMM 21-31-02, OPERATIONAL CHECKS OKAY.
- Difficulty date
- August 8, 2020
- Submitted
- August 11, 2020
- Operation
- Air carrier
- Aircraft
- N972AN
- Make and model
- Boeing 737823
- Aircraft serial
- 30097
- Aircraft time
- 55,974 hours, 23,043 cycles
- System (JASC)
- 2130 · Cabin Pressure Control System
- Part
- Control Module
- Part number
- 8243922002
- Part serial
- 99126436
- Condition
- Defective
- Location
- Cabin Pressure
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.