As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING HEAVY MAINTENANCE: CORROSION ON DOUBLER OF PREVIOUS REPAIR ON CENTER RH LONGITUDINAL BEAM FR13/FR14 AND Y270 AT RH FLOOR STRUCTURE REF TOMX W.O. 239JB/ 2301 / E190 / B8 CHECK NR00163; REPLACED RH LONGITUDINAL BEAM BTW FR13/FR14 AND Y720 AT RH FLOOR STRUCTURE. REF TOMX NR 00163.