As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING A HEAVY MAINTENANCE INSPECTION EVENT,FOUND FUSELAGE SKIN BULGING. FOUND TO BE STRINGER 28L AT STA. 1495 APPROX 1 INCH CORRODED. REPLACED STRINGER FROM STATION 1450 TO 1510. FUSELAGE SKIN WAS FOUND TO HAVE NO CORROSION. ITEM RETURNED TO SERVICE