What was found
WHILE AIRCRAFT WAS IN FOR HEAVY CHECK, LEVEL 2 CORROSION AND GOUGE WAS FOUND ON THE RT LOWER SEAT TRACK BEAM AT CF-1, FR'S 23-34. MAINTENANCE REMOVED AND REPLACED RT LOWER SEAT TRACK BEAM AT CF-1, FR 23-34 IAW EMB 170 SRM 51-41-01, 51-43-01, 51-40-02 & 51-43-02. AIRCRAFT CURRENTLY STILL OUT OF SERVICE FOR HEAVY CHECK COMPLETION.