What was found
INSPECTION TYPE:N/A UPON LEVELING AT FLT LEVEL 280 AMBER MAIN CARGO DOOR LIGHT ILLUMINATED, FOLLOWED APPROPRIATE EMERGENCY PROCEDURES. DESCENDED TO AIRCRAFT ALTITUDE 17,000, CABIN ALTITUDE 7,000. MAIN CARGO DOOR LIGHT WENT OUT. ADJ AFT MAIN CARGO DOOR MICROSWITCH IAW B727-100 M/M 52-70-01 PG 509. OPS CHECKS GOOD.