What was found
ABI - DURING A IMBV INSPECTION, THE CARGO DOOR OPENING LOWER CENTER SILL WAS FOUND TO BE CORRODED BELOW SRM LIMITS. REMOVED EXISTING CENTER SILL. INSTALLED NEW SILL IAW EMB145 SRM, EMB SRM-145/1142 REV 19) CHAPTERS 51-20-01, 51-20-03, 51-40-04 AND 51-40-06. (M)