As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LT UPPER SHEET, PN 170-86101-001 CORRODED 1 L X 0.5 W X 0.006 INCHES DEEP IN ONE PLACE AT FRAME 86. REMOVED CORROSION BY BLENDING AND TREATING IAW EMB SRM 51-10-03 & 51-12-01 ON WO 482000-241 IAW ETD 2012-170-005464 AND EO EO E175-5300-055.