What was found
BATTERY PACKS M1670 AND M1672 FAIL TO LIGHT.
- Difficulty date
- September 21, 2025
- Submitted
- October 2, 2025
- Operation
- Air carrier
- Aircraft
- N8524Z
- Make and model
- Boeing 7378H4
- Aircraft serial
- 36970
- Aircraft time
- 28,833 hours, 14,527 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Condition
- Failed
- 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.