What was found
CABIN STATION 1276 - 1290 LBL 24.75 SEAT TRACK CROWN FOUND CHAFED. CHAFE MARK REMOVED PER SRM 51-10-02 REV 112. CLEANED UP DEPTH OF 0.040" FOUND OUT OF LIMITS 0.020" PER SRM 53-00-52, ALLOWABLE DAMAGE 1 FIG 101 REV 112. REMOVED AND REPLACED BY NEW FABRICATED SEAT TRACK PER BOEING DRAWING 146N5120 SHT 28 REV A & SHT 28 REV-. NEW SEAT TRACK FABRICATED AS PER BOEING DRAWING 146N5133 SHT 2 REV-. REPAIR CLASSIFIED MAJOR PER GMM 6-2-100.