What was found
L/H UPPER DECK DOOR EMERGENCY BATTERY PACK FAILED TO TEST
- Difficulty date
- May 19, 2021
- Submitted
- May 20, 2021
- Operation
- Air carrier
- Aircraft
- N743CK
- Make and model
- Boeing 747446
- Aircraft serial
- 26350
- Aircraft time
- 109,679 hours, 17,491 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Condition
- No Test
- Location
- Emergency Lights
- 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.