What was found
DOOR UPPER DECK FLIGHT LOCK. PERFORMED B747-400 FIM 52-71 TASK 823 OPERATIONAL CHECK GOOD STATUS MESSAGE CLEARED.
- Difficulty date
- September 30, 2023
- Submitted
- October 4, 2023
- Operation
- Air carrier
- Aircraft
- N743CK
- Make and model
- Boeing 747446
- Aircraft serial
- 26350
- Aircraft time
- 118,383 hours, 18,799 cycles
- System (JASC)
- 5270 · Door Warning System
- Part
- Unknown
- Part number
- UNKNOWN
- Condition
- Unknown
- Location
- Unknown
- Stage of operation
- CL
- How discovered
- V
- Nature of condition
- J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.