As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT NR 4160 - AFTER TAKEOFF, WHEN THE LANDING GEAR WAS RETRACTED, THE LEFT MAIN LANDING GEAR INTRANSIT LIGHT REMAINED ILLUMINATED. AIRCRAFT RETURNED TO THE FIELD, LANDED WITHOUT FURTHER INCIDENT. PIT MAINTENANCE CLEANED AND LUBRICATED THE MAIN LANDING GEAR UPLOCK ROLLERS IAW MM 32-00-00 AND STD MX PRACTICES. GEAR POSITION INDICATION SYSTEM OPERATED NORMALLY DURING TEST FLIGHT. AIRCRAFT WAS THEN RETURNED TO SERVICE. (M)