As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
OAK - FOUND LOWER FUSELAGE AFT CARGO COMPARTMENT LOWER LEG CIRCUMFERENTIAL FRAME BETWEEN CENTER FLOOR SUPPORTS 727B MATERIAL OUT OF LIMITS ON UT INSPECTION. REF SRM, ORIGINAL THICKNESS .063 INCH, REMAINING .055 INCH. INSTALLED DOUBLER REPAIR ON CIRCUMFERENTIAL FRAME BETWEEN CENTER FLOOR SUPPORTS AT STATION 727B PER SRM. (M)