What was found
PILOT REPORTED THAT DURING GEAR RETRACTION, LG HANDLE LIGHT REMAINED ON & LG HANDLE CB POPPED. WENT THROUGH CHECKLIST & MANUALLY EXTENDED GEAR, GOT THREE GREENS, LANDED UNEVENTFULLY. MAINTENANCE PERFORMED OPS CKS ON THE LANDING GEAR SYSTEM IAW MI 32.01, COULD NOT DUPLICATE ON THE GROUND AT THIS TIME, SYS OK FOR SERVICE.