As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
***CORROSION*** ON AFT CARGO BAY CARGO TRACK AT B.S. 794-847; R.B.L. 14; W.L. 155. / REPAIRED AFT CARGO BAY TRACK BY REPLACING TRACK FROM BS 727 TO 747+10 AND FROM BS 757 TO BS 887 WITH A REPAIR CHANNEL SPLICE AT BS 747+10; RBL 14; WL 155 IAW EA #1-A53-4982; SRM 53-00-53-2R-3; AND DRAWINGS 146A7500/146A7501 80570U 10APR20