As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING THE PILOT PREFLIGHT, THE PILOT HAD NOTICED THAT THERE WAS A TEAR IN THE SHEET METAL OF THE LT ENGINE THRUST REVERSER INNER SKIN. WE COULD NOT IDENTIFY WHAT HAS CAUSED THIS TEAR. THE UNIT WILL BE REPAIRED BY THE MFG AND WILL INFORM YOU WITH ANY INFO THEY GIVE TO US ABOUT THIS INCIDENT. (K)