What was found
CENTER EMERGENCY LIGHTS ON UPPER DECK DO NOT STAY ILLUMINATED.
- Difficulty date
- December 5, 2025
- Submitted
- December 5, 2025
- Operation
- Air carrier
- Aircraft
- N742CK
- Make and model
- Boeing 747446
- Aircraft serial
- 24424
- Aircraft time
- 125,601 hours, 25,802 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Condition
- Weak
- 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.