As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT CARGO DOOR LIGHT WILL NOT EXTINGUISH. WHEN AFT CARGO DOOR IS CLOSED AND LOCKED, DOOR LIGHT STAYS ON. NEED TO APPLY MEL 5203A. MEL 5203A REJECTED. ITEM CORRECTED CLEANED CONNECTIONS AT WIRES SWITCH. REINSTALLED SWITCH, OPS CHECK GOOD.