What was found
DURING HEAVY MAINTENANCE VISIT, SEAT TRACK AT THE FOLLOWING LOCATIONS WERE FOUND CORRODED: STATION 1070 TO 1130 LBL 56, STATION 1070 LBL 25, AND STATION 1110 TO 1130 LBL 46. REMOVED, FABRICATED, AND INSTALLED NEW SEAT TRACK IAW B727 SRM 51-20-2, 51-30-2, AND MM 51-20-11.