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 REVEALED A 1 INCH CRACK IN THE LOWER SKIN ALONG THE TRAILING EDGE LOCATED BETWEEN THE THIRD AND FOURTH RIB OUTBOARD FROM THE INBOARD END. THE CRACK WAS REPAIRED BY STOP DRILLING AND INSTALLING A DOUBLER. (W)