As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
***CORROSION*** CORROSION ON DRAIN MAST MOUNTING STRUCTURE IN AREA AFT OF AFT CARGO AT BS 998- BS 990 WL 187 / REMOVED AND REPLACED DRAIN MAST MOUTING STRUCTURE IN AREA CARGO B.S. 986-1006 STR 24L-25L WL187 PER SRM 51-40-02-0G-0 SRM 51-40-05-0G-0 DWG 147A7443 AND AMM 38-31-01-400-802 RESISTANCE CHECK AND DRAIN MAST INSTALLATION TEST GOOD