11) 11) INSPECTION INSTRUCTIONS INSPECTION INSTRUCTIONS (1) Free of corrosion, erosion or fretting; No damage to splines or keyways. Pistons Pistons No scoring and no pittings. (2) (2) Center pin Center pin No scoring and no pittings. (3) (3) Retaining plate Retaining plate No scoring and no evidence of wear. (4) (4) 7-46