What was found
EMERGENCY BATTERY PACK M1669 FAIL CAPACITY CHECK. REMOVED AND REPLACED EMERGENCY BATTERY PACK M1669 PER AMM 33-51-06-960-805. FUNCTIONAL TEST WILL BE PERFORMED ON CCN: TTG8Q013Q3XC.
- Difficulty date
- July 13, 2025
- Submitted
- August 14, 2025
- Operation
- Air carrier
- Aircraft
- N229WN
- Make and model
- Boeing 7377H4
- Aircraft serial
- 32498
- Aircraft time
- 64,915 hours, 38,879 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.