What was found
UPON A SCHEDULED INSPECTION AT AERO CORP IN LAKE CITY, FLORIDA, THE UPPER CUSP AT THE R-1 DOOR ENTRY WAS FOUND TO BE EXTENSIVELY CORRODED AT FS 200. FABRICATED AND INSTALLED REPAIRS IAW DC9 SRM 53-05, 51-10-3, 51-30-1, 51-20-0 AND MM20-30-1. N/R NR 027N1/0658.