What was found
DURING B INSPECTION FOUND FRAME 66 T-PROFILE SUPPORT ANGLE IS CRACKED AT CARGO DOOR SILL. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED THE FRAME 66 T-PROFILE SUPPORT ANGLE AT CARGO DOOR SILL IAW EMB SRM 51-40-02, CPM 51-21-05, CPM 51-21-06, AEA ETN# EM-51-075, AND ETN# GN-51-016. THE AIRCRAFT WAS RETURNED TO SERVICE.