As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON PDC FOUND LT ENGINE REVERSER O/B SLEEVE OUT OF TRACK. ON INSP FOUND O/B REV SLEEVE DETACHED FROM TRACK. REMOVED TRACK FITTING AND REINSTALLED IN GUIDE TRACK. CYCLED THRUST REV, OPS/IND NORMAL. NO DAMAGE TO REV OR TRACK. REVERSER LOCKED IN FWD THRUST PRECAUTIONARY PER MEL 78-31-01. REPLACED REVERSER HALF.