As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CORROSION REMOVAL FOUND AFT CARGO L/H SIDEPLATE SUPPORT ZEE WITH MULTIPLE ELONGATED HOLES AT NUTPLATES ATTACHED POINTS SECTION BETWEEN STA 747+12.5' AND STA 847 LBL 21'<[01] LH Z-CHANNEL FABRICATED FROM STA 727-847 LBL 21 WL 155.5 REFERENCE TASKCARD# TTG8Q00RLL1W;[02] WORK PERFORMED ON TTG8Q00RLL1W