What was found
CORROSION FOUND ALONG SEAT TRACK AT LBL9 BETWEEN FS 559.00 & 559.00+80, MARKED & NEED TO BE EVALUATED. EVALUATED CORROSION ON SEAT TRACK & FOUND TO BE OUT OF LIMITS IAW SRM 53-21-49 CORROSION BLENDED IAW SRM 51-21-06, SRM 53-51-49 STATES TO USE SRM 53-21-49 IAW ALLOWABLE DAMAGE LIMITS. REMOVED SEAT TRACK AT LBL9 BETWEEN FS 559.00-559.00+80 IAW AMM 53-01-11-000-802. INSTALLED NEW SEAT RAIL AT LBL9, FROM FS 559- FS 559+80 IAW AMM 53-01-11-400-802. LOCATED & DRILLED 30EA HOLES IN SEAT RAIL IAW SRM 51-40-11.