As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING A MAINTENANCE VISIT FOUND FUSELAGE BULGED, POSSIBLE INTERNAL CORROSION @ L21R STA 25 - 8. *** CORRECTIVE ACTION *** REMOVED FASTENER, REMOVED CORRODED DOUBLER. FABRICATED AND INSTALLED REPLACEMENT PART IAW DWG 561386-5613861 AND SRM 51-1-21-1 AND 51-1-20D.