What was found
ABI - DURING A IMBV INSPECTION, THE CARGO DOOR CENTER SILL WAS FOUND TO BE CORRODED BEYOND SRM LIMITS. REMOVED DAMAGED CENTER SILL AND INSTALLED NEW SILL IAW EMB-145 SRM (SRM 145/1142 REV 20) CHAPTERS 51-40-06, 51-40-02, 51-20-03, EMB 145 CPM 51-21-04, THROUGHT 51-21-06. (M)