As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON LEFT KEELBEAM STA 980 O/B FLANGE. REMOVED CORROSION FROM LEFT KEEL BEAM AT BS 980 O/B FLANGE. MATERIAL LOSS WAS .045 DEEP X .75 X .75 INCH FROM AN ORIGINAL THICKNESS OF .150 AND IS OUT OF LIMITS IAW FED EX SR 27-53-023A. REPAIRED KEEL BEAM IAW FED EX SR 27-53-023A.