tenance Visit l=st week in Islip? Brief summary: Upgrade Main Door Seal Regulator 4) $28,152.90 New Main Batteries $2,963.75 x 2 = Q $5,927.50 Jammed Flap actuator, re-rig Flaps 40 2,363.50 Engine Pylon inspection, other Engine routine due cards accomplished,.=/div> total invoice $52,730.32 Thank y