As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CARGO FLOOR SUPPORT AT STRINGER 25 LEFT 'Z' CHANNEL IS CORRODED 727C - 807. LBL 21 AND WL 153.5 / FABRICATED NEW Z CHANNEL SECTION ON AFT CARGO L/H SIDE FROM STA 727E TO STA 847; PER REF SRM 51-40-02-0G-0 AND DRAWING NO. 146A7500; NEW Z CHANNEL TO BE INSTALLED ON T/C 5360-E-16462-N6.