What was found
EMERGENCY BATTERY PACK M1672 FAILED CAPACITY CHECK. REMOVED AND REPLACED BATTERY PACK, PER AMM 33-51-06 .
- Difficulty date
- December 23, 2020
- Submitted
- December 28, 2020
- Operation
- Air carrier
- Aircraft
- N444WN
- Make and model
- Boeing 7377H4
- Aircraft serial
- 29839
- Aircraft time
- 59,670 hours, 35,161 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Condition
- Failed
- Location
- Emergency Lights
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.