As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DIVERTED TO ORD DUE TO LT REVERSER EOAP ILLUMINATED SHORTLY AFTER TAKE OFF. LT REVERSER UNLOCK LIGHT ILLUMINATED. FOUND LT THRUST REVERSER IN THE STOWED LOCKED POSITION AND ALL INDICATION LIGHTS OUT. FWD LT THRUST REVERSER TO MEL 78-32-01. UPDATE 23DEC MSP FOUND UPPER REVERSER HALVES OUT OF RIG. RIGGED UPPER REVERSER PER MM. INSTALLED CROSS OVER FLEX SHAFT. OPERATION CHECKS GOOD. MCO/PLACARD REMOVED.