As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING SCHEDULED MAINTENANCE, AN INSPECTION OF THE RIGHT INBOARD FLAP P/N 10116000144, REVEALED A .75 INCH CRACK IN THE LOWER SKIN ALONG THE FIFTH RIB OUTBOARD FROM THE INBOARD END. THE CRACK WAS REPAIRED BY STOP DRILLING AND INSTALLING A DOUBLER APPROX 1.1 INCHES BY 4.5 INCHES.