What was found
R4 DOOR CUTOUT LOWER SILL IS CORRODED BS 1661- 1681, RBL 57, WL 208. INSTALLED NEW SILL IAW DWG 146N5230, 146N8722, AND SRM 51-40- 02. MAJOR REPAIR.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
R4 DOOR CUTOUT LOWER SILL IS CORRODED BS 1661- 1681, RBL 57, WL 208. INSTALLED NEW SILL IAW DWG 146N5230, 146N8722, AND SRM 51-40- 02. MAJOR REPAIR.