As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE AC WAS IN FOR HEAVY CHECK, A MAJOR REPAIR WAS ACCOMPLISHED ON THE RT SEAT TRACK BEAM BETWEEN FR 14 AND FR 17. MAINTENANCE REQUESTED EMB ENGINEERING SUPPORT AND RECEIVED ETD2010-170/01723. MAINTENANCE REPAIRED AS REQUIRED, AC STILL OUT OF SERVICE FOR HEAVY CHECK.