TM 1-1520-238-23 1-158.8 Change 9 1.49. CORROSION CONTROL/INSPECTION – continued Table I. Aircraft Inspection Areas Area No. Aircraft Location Inspection Requirements 1 Fuselage – right side, forward All surfaces, components, and equipment in forward avionics bay. Includes landing gear and search light. 2 Fuselage – right side, center All surfaces, components, and equipment aft of crew station to engine nacelle. includes transmission deck, right nose gearbox, engine installation components, wing, and stores. 3 Engine nacelle – right All surfaces, components, and equipment aft of auxiliary power unit (APU) exhaust duct. Includes lower nacelle aft electronics compartment, and infrared (IR) suppressor. 4 Fuselage – right side, aft All surfaces, components, and equipment aft of auxiliary power unit (APU) exhaust duct and forward of intermediate gearbox. Includes hydraulic ground service panel and aft horizontal tail rotor drive shaft. 5 Tail section All surfaces, components, and equipment aft of tail boom area. Includes horizontal stabilator, tail landing gear, intermediate and tail rotor gearboxes, aft vertical tail rotor drive shaft, and tail rotor. 6 Fuselage – left side, aft All surfaces, components, and equipment forward of intermediate gearbox and aft of environmental control unit, (ENCU) exhaust duct. 7 Catwalk All surfaces, components, and equipment in catwalk area. Includes shaft-driven compressor, forward tail rotor drive shaft, fire extinguisher containers, ENCU, and APU. 8 Main rotor mast All surfaces, components, and equipment in the mast area. Includes main rotor, air data sensor, and upper controls (mixer). 9 Engine nacelle – left All surfaces, components, and equipment forward of ENCU exhaust duct and aft of left nose gearbox. Includes IR suppressor, aft avionics compartment, and lower nacelle. 10 Fuselage – left side, center All surfaces, components, and equipment forward of engine nacelle and aft of left forward avionics bay. Includes left transmission deck, wing and stores, nose gearbox, and engine installation components. 11 Fuselage – left side, forward All surfaces, components, and equipment in forward avionics bay. Includes landing gear. 12 Nose section All surfaces, components, and equipment on or under the helicopter nose. Includes target acquisition and designation system/pilot night vision system (TADS/PNVS) turret and area weapon. 13 Pilot station All surfaces, components, and equipment in the pilot station. Includes windshields, landing gear brake control, canopy jettison system, lighting and indicator components, power and flight controls and instruments. 14 Copilot/gunner station (CPG) All surfaces, components, and equipment in the CPG station. Includes windshields, landing gear brake control, canopy jettison system, lighting and indicator components, power and flight controls and instruments. GO TO NEXT PAGE