As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 1125 - MDT-CLT - ON ROTATION LEFT ENGINE REVERSE UNLOCK LIGHT CAME ON AND STAYED ON. CONTINUED TAKEOFF AND THEN RETURNED TO FIELD AT MDT. LIGHT WENT OUT WHEN AIRCRAFT LANDED. NO EMERGENCY DECLARED BUT ATC TOWR DID CALL OUT THE EMERGENCY EQUIPMENT. MAINTENANCE CLEANED AND LUBRICATED UPPER AND LOWER T/R LATCHES. OPERATIONAL CHECK OK. (M)