As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
GENERATING ITEM: 63-53-1-2503 /// SUPPORT TASK; FLC CORROSION ON INSIDE OF INTERCOSTAL F.S. 588 RBL 12 (143T5021-1). REMOVED CORROSION ON INSIDE OF INTERCOSTAL F/S 588 RBL12 FOUND TO BE OUT OF LIMITS IAW B767-300 SRM 53-00-04 DETAIL II REPLACE PART PER BOEING DRAWING 143T5010 IT:0014 REV:D REFER TO N/R 168798-0100-0092 FOR INSTALLATION.