As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE ACCOMPLISHING LFEC INSPECTIONS PER SI 4-74176-12AD ON S4R, CRACK INDICATIONS WERE FOUND BETWEEN BS 481 AND 680. CONDUCTING HFEC INSP CONFIRMED 29 CRACK INDICATIONS IN THE LWR FASTENER ROW OF THE LAP JOINT. REPAIRED PER ERA 332875-14AD, REV A.