As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION LEVEL 2 IN FRAME STA 1440 BTW S-30 TO S-29R AND BWT S-29L TO S-28L AT AFT CARGO COMPARTMENT. FRAME STA 1440 BTW S-30 TO S-29R AND BWT S-29L TO S-28L AT AFT CARGO COMPARTMENT WAS REPLACED PER B757-300 SRM 51-40-02-0G PAR. 4, B AND PAR. 7, D. (LP 1634705 - AIRCRAFT WAS GROUNDED)