As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT CARGO LIGHT CAME ON AT 500 AGL AND STAYED ON FOR TAXI TIL JU ST BEFORE PARKING PERFORMED INSPECTION, DOOR OPONING CLOSING PROPERLY.SUSPECT BAD DOOR IND SWITCH.PILOT SAYS NO ISSUES WITH PRESSURIZATION . REMOVED AND REPLACED AFT CARGO DOOR INDICATION SWITCH IAW AMM 52-71-31-400-802 OPS CHECK GOOD IAW AMM 52-71-31-710-801