What was found
LEFT AFT BATTERY PACK FAILED CAPACITY CHECK LEFT AFT BATTERY PACK M1670 FAILED CAPACITY CHECK <[01]. R&R LEFT AFT BATTERY PACK PER AMM 33-51-06; [02] R&R LEFT AFT BATTERY PACK M1670 PER AMM 33-51-06.
- Difficulty date
- June 20, 2025
- Submitted
- June 23, 2025
- Operation
- Air carrier
- Aircraft
- N8551Q
- Make and model
- Boeing 7378H4
- Aircraft serial
- 36951
- Aircraft time
- 25,268 hours, 12,808 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Condition
- Failed
- Location
- Zone 200
- 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.