What was found
DOOR UPPER DECK FLIGHT LOCK ENGINE INDICATING AND CREW ALERTING SYSTEM MESSAGE. PERFORMED OPERATIONS CHECK OF LEFT AND RIGHT UPPER DECK DOORS. OPERATIONS CHECKS GOOD IAW B747-400 AMM 52-23-00.
- Difficulty date
- May 27, 2023
- Submitted
- July 25, 2023
- Operation
- Air carrier
- Aircraft
- N703CK
- Make and model
- Boeing 747412
- Aircraft serial
- 24226
- Aircraft time
- 9,703 hours, 20,182 cycles
- System (JASC)
- 5200 · Doors
- Part
- Unknown
- Part number
- UNKNOWN
- Condition
- Unknown
- Location
- Unknown
- Stage of operation
- UK
- How discovered
- 9
- Nature of condition
- J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.