What was found
AIRCRAFT WAS GROUNDED: COCKPIT DOOR UPPER LATCH WILL NOT DISENGAGE WITH HANDLE ROTATION. REMOVED AND REPLACED COCKPIT DOOR LATCH MECHANISM IAW AMM 52-51-21-000-001-A OPS CHECKS GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT WAS GROUNDED: COCKPIT DOOR UPPER LATCH WILL NOT DISENGAGE WITH HANDLE ROTATION. REMOVED AND REPLACED COCKPIT DOOR LATCH MECHANISM IAW AMM 52-51-21-000-001-A OPS CHECKS GOOD.