What was found
AFTER REMOVAL OF FORWARD CARGO DOOR SCUFF PLATE; FOR DENTS. FURTHER CORROSION FOUND ON FRAME DIRECTLY UNDER SCUFF PLATE; CENTER OF THRESHOLD. / REMOVED FWD CORNER SCUFF PLATE FOM IAW 737-800 SRM 51-40-02-0G-0. REMOVED FWD CRGO CENTER THRESHOLD IAW 737-800 SRM 51-40-02-0G-0. EVALUATED CORROSION UNDER FWD; CARGO SCUFF PLATE AS 100% MATERIAL LOSS. FOUND TO BE OUT OF LIMITS IAW 7370800 SRM 53-30-15-1A-1. VERFIED NEW FWD CARGO THRESHOLD WEB AS P/N: 143A8122-10 IAW 737 BOEING DWG 143A8120 REV A AND A-TAG A14935. INSTALLED NEW WEB IAW BOEING DWG 143A8330 REV B AND 737-800 SRM 51-40-02-0G-0. APPLIED CIC TO REPAIR AREA IAW 737-800 AMM 51-21-91-620-802. P/N: 143A8122-10 A-TAG-A-14935