What was found
AFT CABIN, FLOOR STRUCTURE, R/H WEB CORRODED AT STA 986.5. REMOVED, FABRICATED NEW WEB AND INSTALLED IAW B737-900 SRM 53-70-51-1A-1, SRM 51-40-05 AND SRM 51-3-12-11-801.(LOG 1636812 - AIRCRAFT WAS GROUNDED).
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AFT CABIN, FLOOR STRUCTURE, R/H WEB CORRODED AT STA 986.5. REMOVED, FABRICATED NEW WEB AND INSTALLED IAW B737-900 SRM 53-70-51-1A-1, SRM 51-40-05 AND SRM 51-3-12-11-801.(LOG 1636812 - AIRCRAFT WAS GROUNDED).