What was found
PRESSURIZATION CONTROL PANEL BACKLIGHTING INOPERATIVE. PRESSURIZATION OPERATES NORMALLY. ACFT GROUNDED. PERFORMED FIM 21-31, TASK 803, STEP G. LIGHTING ON PANEL RETURNED TO NORMAL. INTERMITTENT FAULT AND SYSTEM IS SERVICEABLE IAW FIM.
- Difficulty date
- October 1, 2017
- Submitted
- October 3, 2017
- Operation
- Air carrier
- Aircraft
- N423AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 35206
- Aircraft time
- 17,758 hours, 5,856 cycles
- System (JASC)
- 3300 · Lighting System
- Part
- Light
- Condition
- Intermittent
- Location
- Control Panel
- 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.