As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FS 947 RBL 56 SIDE OF O/B LAV MOUNT HAS CORROSION ON FLOOR BEAM. GROUNDED - YES. BLENDED CORROSION, FOUND TO BE OUT OF LIMITS IAW B737-900 SRM 53-70-51-1A-1. REPAIRED FLOOR BEAM IAW ASA EA# 900ER-53EA-26250.W= 1.5 O= .150 R= .000 L= 1.75 D= .150.