What was found
A/C FAR AFT LEFT EMERGENCY BATTERY PACK FAILS CAPACITY FUNCTIONAL CHECK. GROUNDED - YES. FAR AFT LEFT EMERGENCY BATTERY PACK REMOVED AND REPLACED REF B737-800 AMM 33-51-06-960-806. OPERATIONAL CHECK GOOD.
- Difficulty date
- July 13, 2021
- Submitted
- July 15, 2021
- Operation
- Air carrier
- Aircraft
- N565AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35181
- Aircraft time
- 54,197 hours, 16,152 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Part number
- ADD71701100
- Condition
- Failed
- Location
- Left Cabin
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.