What was found
DURING HEAVY CHECK MAINTENANCE FOUND PASSENGER CABIN LT OB SEAT TRACK FR25+6", FR27+4, FR28-1", FR29-1", FR30+1", FR32+4" AND FR33+3" HAS GOUGES ON THE CROWN. BLENDED OUT DAMAGE AND FOUND TO BE OUT OF LIMITS IAW SRM 53-21-10. REMOVED AND REPLACED SEAT TRACK 170-92570-001-RAH IAW SRM 53-00-01 REPAIR 1 AND 510-40-08.