As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT PIT LOWER SILL WEB AT DOOR CUOUT IS CORRODED GROUNDED - YES. REMOVED AND ISNTALLED NEW LOWER SILL WEB ON AFT PIT CUTOUT IAW B737-900 SRM 51-40-02-06-0 AND REMOVED DAMAGE ON SILL WEB MAX MAT LOSS 0.019" FOUND TO BE OUT LIITS IAW B737-900 SRM 53-60-15-1A-1. W- 1.5" O= 0.050" R= 0.031" L= 2" D= 0.019"