As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING UNSCHEDULED MAINTENANCE, THE SMOKE DETECTOR HAD TO BE DISCONNECTED FOR ACCESS. AN HIGHER THAN NORMAL FORCE WAS REQUIRED TO DISCONNECT THE CONNECTOR FROM THE UNIT. ONCE THE CONNECTOR WAS REMOVED, PIN NR 7 ON SMOKE DETECTOR UNIT WAS NOTICED TO BE BENT 90 DEGREES TOUCHING PIN NR 8. PREVIOUS FUNCTION TEST OF THE SYSTEM REVEAL NO FAULT. NEW UNIT ON ORDER.