What was found
AFTCARGO DOOR CUT OUT SILL AREA CORRODED.BS 799- BS 842. RBL28. GROUNDED - YES. REMOVED CORROSION FROM THE AFT PIT DOOR THRESHOLD WEB PER B737-900ER SRM 53-60-15-1A-1.2A ORIGINAL MATERIAL THKS .045 PER B737-900ER SRM 53-60-15-0I-1 REMOVED .015 MATERIAL, REMAINING MAT'L .030 FOUND TO BE OUT OF LIMITS PER B737-900ER SRM 53-60-15-1A-1.4.G.2. REMOVED WEB IAW ASA B737-900ER SRM 51-40-02 RECEIVED NEW WEB P/N 146A8123U6 PO#0 LOCATED AND DRILLED IAW BAC 146A8340 REV- AND B737-900 SRM 51-40-02 ASSEMBLED AFT CARGO WEP N/P'S IAW BAC DWG 146A8123 REV- INSTALLED NEW WEB IAW BAC DWG 146A8340 AND ASA B737-900ER SRM 51-40-02.