What was found
LEVEL 2 CORROSION ON SEAT TRACK -Y1292, FR 20 AT FWD GALLEY AREA. REPLACED SEAT TRACK -Y1292 BTW FR 12 TO FR 24 IAW SRM 51-42-11, SRM 51-72-11, DWG D53110920, AND DWG D53110984. MEASURES OF CORROSION WERE L= 2.027 INCHES, W= 0.424 INCHES D= 0.050 INCHES. RII INSPECTION COMPLETE. (LP: 1700373, AIRCRAFT WAS GROUNDED)