What was found
R-4 DOOR UPPER GATE UPPER EDGE HAS CORROSION. R & R R4 DOOR UPPER GATE ASSY IAW AMM 52-11-38. PERFORMED R4 DOOR ADJUSTMENT CHECK IAW AMM 52-11-00. CHECKED GOOD. ORIGINAL MATERIAL: .200", REMOVED: .050", REMAINING: .150", CORROSION FOUND OUT OF LIMITS IAW SRM 52-10-02, FIG 101, DETAIL 4. MAJOR REPAIR.