What was found
FLIGHT DECK, EMERGENCY LIGHTS BATTERY PACK M1669 FAILED A CAPACITY TEST. THE BATTERY PACK M1669 R & R IAW AMM 33-51-06.
- Difficulty date
- September 17, 2026
- Submitted
- September 22, 2026
- Operation
- Air carrier
- Aircraft
- N221WN
- Make and model
- Boeing 7377H4
- Aircraft serial
- 34259
- Aircraft time
- 69,205 hours, 41,303 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Condition
- No Test
- 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.