What was found
AFT LT EMERGENCY BATTERY PACK M1673 FAILED CAPACITY CHECK. R & R EMERGENCY BATTERY PACK PER AMM 33-51-06
- Difficulty date
- October 8, 2026
- Submitted
- October 13, 2026
- Operation
- Air carrier
- Aircraft
- N474WN
- Make and model
- Boeing 7377H4
- Aircraft serial
- 33861
- Aircraft time
- 72,532 hours, 43,663 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.