As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN CARGO DOOR LIGHT ILLUMINATED CLIMBING THRU FL270, .79 COMPLETED RED TABS AND LIGHT REMAINED ILLUMINATED. VISUALLY INSPECTED MCD, LATCHES AND ACTUATORS. OPERATED MCD FULL TRAVEL SEVERAL TIMES. MCD OPERATION IS NORMAL PER 727-100 AMM 52-34-009-0. CLEANED AND INSPECTED LATCH SWITCHES AND MCD WARNING LIGHT SOCKET IN AFT AIRSTAIR. PRESSURIZED AIRCRAFT TO 3.0 PSI PER JRH 7-23. MAIN CARGO DOOR LIGHT, CHECKS NORMAL.