What was found
PASSENGER COMPARTMENT, AFT GALLEY AREA, NEAR FWD LEFT FLOOR GALLEY MOUNT, FLOOR SKIN HAS CORROSION. STA 992-1006. GROUNDED - YES. REMOVED MOUNT FITTINGS (2), IAW B737-900 SRM 51-40-02. BLENDED OUT CORROSION, ORIGINAL THICKNESS OF WEB .080, REMAINING THICKNESS IS .055 (UT TOOL# T8224U CAL DUE 28MARCH2026) THIS IS BEYOND 10% ALLOWABLE LIMITS IAW B737-900ER-SRM 53-70-51-1A-1. REPLACED WEB PN 147A5116-19 IAW B737-900 SRM 51-40-02, INSTALLED MOUNT FITTINGS IAW B737-SRM 51-40-02. (-19 WEB FABRICATED ON NON ROUTINE 38567/G2219567).