As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE PERFORMING AN 8,000 HOUR HEAVY INSPECTION, MAINTENANCE FOUND IDENTICAL 4 INCH CRACKS IN THE LEFT AND RIGHT SIDE STUB WING STIFFENER CHANNELS AT STATION 257.8 ALONG THE LOWER CHANNELS INBOARD OF THE JACKING POINTS. REPLACED CHANNELS IAW MM 20-10-00 AND SRM 51-30-91.