As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DAY - FLT 3004 - ON CLIMBOUT, THE RT MAIN GEAR INTRANSIT LIGHT DID NOT ILLUMINATE UPON GEAR RETRACTION. THE LIGHT ALSO, DID NOT ILLUMINATE DURING GEAR EXTENSION ON APPROACH TO DTW. MAINTENANCE REPLACED A POSITION SWITCH. SYSTEM OPERATED SATISFACTORILY. (W)