As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSPECTION TYPE:C4, MAIN CARGO COMPARTMENT STA 1681, LBL 42" TO LBL 54" FLOOR HAS CORROSION. REMOVED CORROSION ORIGINAL THICKNESS .071 LOSS .013 WITH .058 REMAINING IS OUT OF LIMITS IAW SRM 53-00-51-1A . ACCOMPLISHED BLEND REPAIR FOR EXTENDED LIMITS IAW EA 110191 IR EO B757-5310-41846-A. THIS IS CLASSIFIED AS A MINOR REPAIR.