What was found
FWD PIT THRESHOLD HAS MULTIPLE SPOTS OF CORROSION. GROUNDED - YES. REMOVED CORROSION ORIGINAL THICK .045", MATERIAL REMOVED .010" MAT REMAINING .035" FOUND TO BE OUT OF LIMITS IAW B737-800 SRM 53-30-15-1A-1. REMOVED FWD PIT THRESHOLD WEB IAW B737-800 SRM 51-40-02. LOCATED, DRILLED AND COUNTERSUNK HOLES IAW B737-800 SRM 51-40-05 AND PER B/P#: 143A8330. INSTALLED ALL NUTPLATES ON FWD THRESHOLD AND INSTALLED NEW FWD PIT THRESHOLD WEB IAW B737-800 SRM 51-40-02 AND PER B/P#: 143A8330 SHEET 42 REV A. PART#: 143A8122-10 PO#: 1108428.2 TOOL# USED: T8224V DUE DATE: 03-27-2025.