What was found
MDCC TRACK 3 R SECTION 27 INCHES TO RT OF CTR BETWEEN FR 74 AND FR 80 HAS 3 EACH AREAS OF CORROSION. (1) FR 74, (2) FR77, (3) FR 78, WHILE WORKING CORROSION FOUND 4EA ADDITIONAL AREAS OF CORROSION, REQUIRE REMOVAL AND EVACUATE. REMOVED AND REPLACED SEAT TRACK IAW A300- 600 SRM 51-72-10 AND 53-18-16 AND 53-12-16. REPLACEMENT SEAT TRACK WAS FABRICATED ON SRM N00559.