What was found
LEVEL 2 CORROSION, PASSENGER CABIN BETWEEN FR 16 - 20, Y-1292 SEAT TRACK CORRODED. REPLACED THE SEAT TRACK BTWN FR 12 - 24 IAW SRM 53-11-15- 01A, FIG 001, ITEM 040-A, REV 158.00, & INSTALLED IAW DWG D53112812, ISSUE E, SHEET 01, DWG D53110900, ISSUE L, SHEET 08, & DWG D53110984, ISSUE B, SHEET 01. (LP: 1795230, AIRCRAFT WAS GROUNDED)