What was found
AIRCRAFT WAS GROUNDED: WHILE ACCOMPLISHING WELS OPS CHECK. FOUND DOOR 3LH REMOTE WELS CONTROL UNIT BATTERY FAILED/DEGRADED. MAINTENANCE REPLACED WELS BATTERY AT DOOR 3LH AFT REMOTE IN REF TO AMM 33-51-07.
- Difficulty date
- January 9, 2026
- Submitted
- January 12, 2026
- Operation
- Air carrier
- Aircraft
- N813AN
- Make and model
- Boeing 7878
- Aircraft serial
- 40631
- Aircraft time
- 35,806 hours, 4,792 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Condition
- Inoperative
- 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.