As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
***CORROSION*** FSD MOPSILL BS312 TO BS328 RBL56.5 / REMOVED CORROSION ON FWD MOPSILL BS 312 TO 328 RBL 56.5 I.A.W. SRM 51-10-22-0G-0. FOUND TO BE OUT OF LIMITS I.A.W. SRM 53-10-15-1A-2 FIG 103 DETAIL G. REMOVED MOP SILL I.A.W. SRM 51-40-02-0G-0. INSTALLED NEW MOP SILL P/O #766393/1 IAW SRM 51-40-02-0G-0 AND BOEING DWG 141A8310 REV:B.