What was found
DOOR UPPER DECK FLIGHT LOCK MESSAGE. BOTH DOORS FLIGHT LOCK ACTUATORS OPERATIONAL CHECKS NORMAL IAW B747-400 AMM 52-23-00.
- Difficulty date
- October 19, 2025
- Submitted
- October 21, 2025
- Operation
- Air carrier
- Aircraft
- N745CK
- Make and model
- Boeing 747446
- Aircraft serial
- 26361
- Aircraft time
- 101,277 hours, 15,017 cycles
- System (JASC)
- 5270 · Door Warning System
- Part
- Lock
- Condition
- Warning Message
- Location
- Zone 800
- Stage of operation
- CL
- How discovered
- O
- Nature of condition
- N
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.