As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
***CORROSION*** MULTIPLE AREAS AT AFT SERVICE DOOR MOP SILL / MULTIPLE CORROSION AREAS AT ASD MOPSILL FROM BS947 TO 987 FOUND TO BE OUT OF LIMITS DUE TO 100% MATERIAL LOSS IAW SRM 53-70-15-1A-1. REMOVED AND REPLACED NEW ASD MOPSILL PN# 147A8540118: PO#703038 IAW SRM 51-40-02 AND IAW DWG# 147A8501