What was found
AIRCRAFT IN BASE MAINTENANCE: CORROSION OF SEAT TRACK BETWEEN FR12 AND FR24 AT BL -Y1292, MEASURING L=0.472 IN, W=0.216 IN, D=0.065 IN. REPLACED SEAT TRACK WITH MODIFIED PART IAW A321 SRM 51-72-11-911-001 AND DRAWINGS D53111008 AND D53112812.