As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN CABIN AT L2 DOOR, FLOOR PANEL SUPPORT ANGLE IS CORRODED AT FASTENER HOLES MARKED. GROUNDED - YES. REMOVED CORROSION AS READ, ORIG. THICKNESS 0.080" IAW B737-900ER SRM 53-70-15-01-1, REMOVED 0.003".REMAINING 0.077" FOUND WITHIN LIMITS IAW B737-900 ER SRM 53-70-15-1A-1.RESTORED FINISH AS READ IAW B737-900ER SRM 53-70-15-1A-1.