What was found
AIRCRAFT IN BASE MAINTENANCE: MAINTENANCE MESSAGE 33-11407, DOOR 4 LH REMOTE WELS CONTROL UNIT BATTERY POWER IS FAILED. MAINTENANCE REPLACED WELS CONTROL UNIT BATTERY AT DOOR 4H IAW AMM 33-51-07.
- Difficulty date
- September 15, 2025
- Submitted
- September 18, 2025
- Operation
- Air carrier
- Aircraft
- N802AN
- Make and model
- Boeing 7878
- Aircraft serial
- 40620
- Aircraft time
- 38,284 hours, 5,135 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Condition
- No Test
- Location
- Zone 200
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- L
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.