As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ENGINE-INDICATING AND CREW-ALERTING SYSTEM: DOOR FLIGHT DECK OVERHEAD PRESSURE NORMAL. UPON FURTHER INVESTIGATION FOUND HANDLE NOT FULLY IN CLOSED POSITION. OPENED AND CLOSED DOOR IAW B747-400 AMM 52-21-00 OPERATIONAL CHECK GOOD NO DEFECTS NOTED NO FURTHER ACTION REQUIRED AT THIS TIME.