What was found
PASSENGER COMPARTMENT EMERGENCY LIGHT BATTERY PACK M2503 FAILS CAPACITY TEST. REMOVED AND REPLACED POWER SUPPLY BATTERY PACK M2503, OPERATIONA L TEST GOOD IAW B737 AMM 33-51-06-960-802.
- Difficulty date
- December 12, 2025
- Submitted
- December 15, 2025
- Operation
- Air carrier
- Aircraft
- N47524
- Make and model
- Boeing 7379
- Aircraft serial
- 64501
- Aircraft time
- 16,351 hours, 5,399 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Part number
- D71701100
- Condition
- Failed
- 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.