As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
1) MAIN DOOR CARGO, LITE FL. 31.0 ILLUMINATED. MAIN CARGO DOOR NOT CLESELITE ON BULKHEAD WAS ALSO ILLUMINATED DEPRESSURIZED A/C AAT APPROX. 6.0 PSI DIFFERTIAL BOTH LIGHTS WENT OUT PERFORMED MAIN CARGO DOOR ILLUMINATED IN FLT. C`KLIST.2) CLEANED MCD SWITCH IAW WPM 20-60-1. TESTED MCD WARNING SYS. IAW AEI MM 52. PRESSURIZED A/C IAW 21-31-0. DOOR LIGHT & MCD WARNING SYS. OPS GOOD. NO DEFECTS NOTED. OK TO CONTINUE.