What was found
ORD - FLT 733 - DURING APPROACH TO ORD, WHEN LANDING GEAR EXTENDED, RT MAIN LANDING GEAR RED LIGHT DID NOT ILLUMINATE DURING EXTENSION. AIRCRAFT LANDED ORD WITHOUT INCIDENT. RESECURED AND ADJUSTED RT MAIN LANDING GEAR UPLOCK SWITCH ASSEMBLY AND REPAIRED GROUND TERMINAL. ACCOMPLISHED LANDING GEAR RETRACTION CHECK WITH NO DEFECTS FOUND. SYSTEM GROUND CHECKED NORMAL OPERATION. (M)