As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ENROUTE MAIN CARGO DOOR LIGHT ILLUMINATED. ON DESCENT PASSING 22K, LIGHT WENT OUT. RELEASED FOR SERVICE PER MEL : 52-71-01-02 CATEGORY : C. MAIN DECK CARGO DOOR INDICATION SYSTEM - INOP. VERIFY AND RECORD IN AML/EAML THAT MAIN DECK CARGO DOOR IS CLOSED, LATCHED, AND LOCKED BEFORE EACH DEPARTURE. PERFORMED OPS CHECK IAW AMM: 52-32-00-2, LOCK AND LOCK INDICATION OPERATES CORRECTLY. PERFORMED T/S IAW FIM: 52-71 FT 809 AND PSEU BITE IAW FIM:32-09 FT 803. NO FAULT FOUND. ACFT OK FOR SERVICE.