As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
"LT REV UNLOCKED" CAUTION MSG IN FLIGHT. FOLLOWED QRH PROCEDURES. NO CHANGE TO AC HANDLING CHARACTERISTICS. DID NOT SHUTDOWN ENGINE. DIVERTED. IN FLT LANDING WEIGHT CALCULATED AT 46990. R & R LT THRUST REVERSER PDU IAW AMM 78-32-03. OPS CHECK GOOD, REMOVED PLACARD AND MEL REACTIVATED LT T/R IAW AMM 78-30.