What was found
WHILE AIRCRAFT WAS IN FOR HEAVY CHECK, LEVEL 2 CORROSION WAS FOUND ON THE RIGHT OUTBOARD SEAT RAIL BETWEEN STATION X94.8 TO X236.0, MAINTENANCE REMOVED AND REPLACED THE RIGHT OUTBOARD SEAT RAIL BETWEEN STATION X94.8 TO X236.0 IAW BOMBARDIER Q400 SRM 53-20-49, 51-42-45, 51-40-15, 51-42-05 & 51-40-07. AIRCRAFT IS CURRENTLY STILL OUT OF SERVICE FOR HEAVY CHECK COMPLETION.