As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE A/C WAS IN FOR HEAVY CHECK, LEVEL 2 CORROSION WAS FOUND ON THE RT FORWARD SEAT TRACK EXTENSION FROM FR 12-17. REF DMI 203-02480 AND N/R 200-048438 AND N/R VP-012062-2010/105. MAINTENANCE REMOVED AND REPLACED THE RT FORWARD SEAT TRACK BEAM FROM FR 12-20 IAW EMB 170 SRM 51-41-01, 51-41-02, 51-43-01 AND 51-43-02. A/C IS CURRENTLY STILL OUT OF SERVICE FOR HEAVY CHECK COMPLETION.