What was found
OVERHEAD PRESSURIZATION CONTROL PANEL WILL NOT DIM REMAINS BRIGHT IN DARKENED COCKPIT. ACFT GROUNDED. CYCLED C/B'S REF B737-900 FIM 21-31 TASK 803, SYS OPS CKS NORMAL.
- Difficulty date
- December 15, 2017
- Submitted
- December 19, 2017
- Operation
- Air carrier
- Aircraft
- N481AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 44106
- Aircraft time
- 9,491 hours, 3,192 cycles
- System (JASC)
- 2130 · Cabin Pressure Control System
- Part
- Control Panel
- Condition
- Malfunctioned
- 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.