What was found
AIRCRAFT WAS GROUNDED: EMERGENCY LIGHTING SYSTEM CHECK FAILED. MAINTENANCE REPLACED WELS BATTERY FIM 33-50-F1-58A-421A.
- Difficulty date
- January 19, 2026
- Submitted
- January 20, 2026
- Operation
- Air carrier
- Aircraft
- N835AN
- Make and model
- Boeing 7879
- Aircraft serial
- 40655
- Aircraft time
- 29,494 hours, 3,585 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- 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.