What was found
PRESSURIZATION CONTROL PANEL WILL NOT DIM WITH THE PANEL LIGHT CONTROL SWITCH. ACFT GROUNDED. REPLACED CABIN PRESSURE CONTROL MODULE IAW 21-31-02-000-801/400-801. OPS CHECKED NORMAL IAW 21-31-00-700-802 AND 21-31-00-710-801.
- Difficulty date
- December 17, 2013
- Submitted
- December 19, 2013
- Operation
- Air carrier
- Aircraft
- N431AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 43255
- Aircraft time
- 626 hours, 217 cycles
- System (JASC)
- 2130 · Cabin Pressure Control System
- Part
- Control Module
- Part number
- 10194391001
- Part serial
- 2013080037
- Condition
- Malfunctioned
- Location
- Cabin Pressure
- Part time
- 630 hours, 218 cycles
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.