What was found
PASSENGER CABIN EMERGENCY LIGHTS BATTERY PACKS M1675, M1674, M1673, & M1672 FAILED CAPACITY TEST. R & R THE EMERGENCY LIGHTS BATTERY PACKS IAW AMM 33 51-06.
- Difficulty date
- November 20, 2025
- Submitted
- November 20, 2025
- Operation
- Air carrier
- Aircraft
- N929WN
- Make and model
- Boeing 7377H4
- Aircraft serial
- 36631
- Aircraft time
- 56,686 hours, 34,547 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.