What was found
DOOR UPPER DECK FLIGHT LOCK CAUTION MESSAGE. PERFORMED FLIGHT LOCK ACTUATOR OPERATIONAL TEST IAW AMM 52-23-00. OPERATIONAL TEST GOOD. NO DEFECTS NOTED.
- Difficulty date
- September 25, 2025
- Submitted
- September 25, 2025
- Operation
- Air carrier
- Aircraft
- N742CK
- Make and model
- Boeing 747446
- Aircraft serial
- 24424
- Aircraft time
- 124,850 hours, 25,690 cycles
- System (JASC)
- 5270 · Door Warning System
- Part
- Warning Message
- Condition
- False Activation
- Location
- Zone 800
- Stage of operation
- CR
- 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.