As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT PIT FLOOR RAIL AT APPROXIMATELY STA 767+3 RBL 13 HAS A KNICK ON RIGHT CORNER. GROUNDED - YES. EVALUATED & REMOVED DAMAGE FROM AFT PIT FLOOR RAIL @ STA 767+3 IAW B737-900ER SRM 53-00-53-1A-2.2.D. ORIGINAL THICKNESS .063 IAW B737-900ER SRM 53-60-53-0I-2. REMOVED .018, REMAINING .045 AND IS FOUNDTO BE OUT OF LIMITS IAW B737-900ER SRM 53-00-53-1A-2.4.B.2. REPAIRED AFT PIT FLOOR RAIL @ STA 767+3 IAW B737-900ER SRM 53-00-53-2R-3.H.