As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 0173 012 CORROSION AT BONDING WIRE UPPER AND LOWER ATTACH POINTS ON NR 4 K-FLAP BULLNOSE, O/B END. REMOVED CORROSION AT BONDING WIRE UPPER AND LOWER ATTACH POINTS ON NR 4 K-FLAP BULLNOSE O/B END IAW FED-EX DRWG SR 27-57-010 REV C AND FED-EX SRM 57-50-3. UPPER ATTACH POINT REPAIRED IAW FED-EX SRM 57-50-3.