As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FUSELAGE SKIN HAS CORROSION AT BS 1543 BETWEEN STRINGERS S-39L & S-39R AT BILGE DRAIN VALVE. BLENDED CORROSION AND FOUND MATERIAL LOSS OUT OF LIMITS OF SRM. TRIMMED OUT DAMAGE & ACP HFEC OF CUTOUT & OPEN HOLES COMMON TO REPAIR. NO CRACKS FOUND. FABRICATED & INSTALLED EXTERNAL DOUBLER, FILLER & TRIPLER REF EA PT67-53-006 & ECRA 5360-01189. MAJOR REPAIR