What was found
FWD WET AREA: FWD LAV MOUNT HARD POINT BETWEEN STA 294 AND 312 CORRODED GROUNDED - YES. EVALUATED CORRODED INTERCOSTAL, LAV MOUNT. FOUND TO BE 50% MATERIAL LOSS. REMOVED INTERCOSTAL IAW B737-800 SRM 51-40-02. MODIFIED NEW INTERCOSTAL IAW 800-53EA-24539. LOOSENED TENSION ON 3EA CONTROL CABLES. INSTALLED NEW INTERCOSTAL LAV MOUNT IAW 800-53EA-24539. REATTACHED PULLIES, RETIGHTENED CABLE TENSIONS AND ACCOMPLISHED SUCCESSFUL TRAVEL LIMIT TEST. IAW B737-800 AMM 20-10-09-400-801 AND 20-50-11-910-801, 27-31-00-700-804, 20-10-09-400-801