What was found
THE FWD LEFT EMERGENCY LIGHTING BATTERY PACK FAILED A CAPACITY CHECK. REMOVED AND REPLACED BATTERY PACK IAW MM 33-51-06.
- Difficulty date
- December 9, 2025
- Submitted
- December 12, 2025
- Operation
- Air carrier
- Aircraft
- N431WN
- Make and model
- Boeing 7377H4
- Aircraft serial
- 29845
- Aircraft time
- 76,497 hours, 45,457 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- 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.