As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LAV SUPPORT ANGLE AT STA 917 LBL54 HAS CORROSION. GROUNDED - YES. REMOVED CORROSION-ORIGINAL THICKNESS .150, REMOVED .110, REMAINING IS .040 AND REQUIRES REPLACEMENT DUE TO NO LIMITS GIVEN IN THE SRM. REMOVED AND REPLACED INTERCOSTAL P/N 147A5690U8 PO#1141724.1. IAW B737-900ER SRM 51-40-02 REF BAC DWG 147A5680 REV-.