As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON RT HORIZONTAL STABILIZER LE PANEL #340DT (EHV). NRC 00170: CORROSION LEVEL 2, RT HORIZONTAL STABILIZER LE PANEL #340DT WAS REPAIRED PER ETI -17-19-073 REV. ORIGINAL AND ER/A 578193-14 REV ORIGINAL. ASSOCIATED ER/A 14-578193 ADDED FOR AC 9576 (LP #1086463)