As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOUND LT AND RT WING DISBONDING OF THE UPPER WING SKIN, INBOARD AND OUTBOARD OF NACELLES FROM YW 60 TP YW 150. BOMBARDIER IS IN THE PROCESS OF ISSUING A SB TO COVER INSPECTION OF THE UPPER WING SKINS. DARK AREAS ON THE SKETCHES INDICATE DISBONDING. MODEL P/N C6W1001-25 L/H, S/N 250082, L/H P/N C6W1001-27 R/H, S/N 270083 R/H.