What was found
FWD ENTRY LT EMERGENCY BATTERY PACK FAILED CAPACITY CHECK M1675. REPLACED BATTERY PACK PER AMM 33-51-06. O.P.S TEST GOOD. C/W INSP. REPLACED BATTERY PACK IAW AMM 33-51-06. O.P.S TEST GOOD.
- Difficulty date
- May 13, 2026
- Submitted
- May 18, 2026
- Operation
- Air carrier
- Aircraft
- N453WN
- Make and model
- Boeing 7377H4
- Aircraft serial
- 29847
- Aircraft time
- 71,025 hours, 42,359 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Condition
- Failed
- Location
- Zone 200
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.