As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT PIT, DOOR SURROUND LOWER MAIN SILL STRAP IS CORRODED BETWEEN STA 767 AND 787. GROUNDED - YES. REMOVED DAMAGE FROM LOWER MAIN SILL STRAP IAW B737-800 SRM 53-60-15-1A-1. ORIG. THICKNESS .080 PER B737-800 SRM 53-60-15-0I-1.REMOVED .037. REMAINING THICKNESS IS .043, AND IS FOUND TO BE OUT OF LIMITS IAW B737-800 SRM 53-60-15-1A-1. REMOVED AND REPLACED STRAP IAW B737-800SRM 51-40-05 AND 51-40-02.