As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) THE LATCH ASSY IS COMPOSED OF 3 SHOOTBOLTS THAT ARE INTERCONNECTED BY ACTUATOR RODS. ON THREE OCCASIONS ACTUATION ROD WAS FOUND BROKEN (DUE TO FATIGUE). FAILURE MAY PREVENT ACCESS FROM THE CABIN TO THE CARGO AREA. SUBMITTER STATED MANUFACTURER IS CONSULTING SUPPLIER ABOUT PROPER HEAT TREATMENT PROCEDURES.