What was found
SHIP 1807 4L DOOR WILL NOT ARM. CORRECTIVE ACTION: GREASED GIRT BAR ARMING MECHANISM. 4L DOOR ARMS NORMALLY IAW B767-400 AMM 12-21 (8209158)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
SHIP 1807 4L DOOR WILL NOT ARM. CORRECTIVE ACTION: GREASED GIRT BAR ARMING MECHANISM. 4L DOOR ARMS NORMALLY IAW B767-400 AMM 12-21 (8209158)