What was found
PRESSURIZATION PANEL DIGITAL DISPLAY WILL NOT DIM, LIGHTS BRIGHT, AND BACK LIGHT LETTERS INOPERATIVE. ACFT GROUNDED. R & R P5-6 PRESSURIZATION CONTROL MODULE IAW AMM 21-31-02. ALL TESTS PASSED.
- Difficulty date
- December 18, 2015
- Submitted
- December 22, 2015
- Operation
- Air carrier
- Aircraft
- N491AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 44109
- Aircraft time
- 146 hours, 51 cycles
- System (JASC)
- 2130 · Cabin Pressure Control System
- Part
- Display
- Part number
- 10194391001
- Part serial
- 2015100025
- Condition
- Malfunctioned
- Location
- Flight Deck
- Part time
- 150 hours, 52 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.