What was found
SHIP 1821 R3 DOOR ALARM SIGNAL MODULE INOPERATIVE. CORRECTIVE ACTION: REPLACED SIGNAL MODULE. SYSTEM OPERATION IS NORMAL. (LP 7866156)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
SHIP 1821 R3 DOOR ALARM SIGNAL MODULE INOPERATIVE. CORRECTIVE ACTION: REPLACED SIGNAL MODULE. SYSTEM OPERATION IS NORMAL. (LP 7866156)