TM 1-1520-264-23 NOMENCLATURE OF END ITEMS HELICOPTER, AH-64A Series 3.12 Engine Nose Gearbox Cracks Ö 002 Input Quill Shaft 3.13 Main Transmission Cracks Ö 003 3.14 Main Transmission Cracks Ö 003 Compressor Drive Adapter 3.15 Main Transmission' APU Cracks Ö 002 Drive Flange 3.16 Main Transmission Cracks Ö 002 Tail Rotor Drive Flange 3.17 Main Rotor Gearshaft Cracks Ö 002 Drive Gear Teeth 3.18 Main Rotor Mast Cracks Ö 003 Support Base 3.19 Intermediate Gearbox Cracks Ö 003 3.20 Intermediate Gearbox Cracks Ö 003 Backup Retainers 001 3.21 Intermediate Gearbox Cracks Ö 002 Flange and Shouldered Shaft 3.22 Tail Rotor Gearbox Cracks Ö 003 Backup 001 3.23 Tail Rotor Gearbox Cracks Ö 002 Shouldered Shaft 3.24 Tail Rotor Gearbox Cracks Ö 003 Backup Retainers 001 3.25 Tail Rotor Gearbox Cracks Ö 002 Forward and Aft Strut 3.26 Tail Rotor Gearbox Cracks Ö 002 Forward and Aft Strut Fittings 3.27 Main Rotor Head (Hub) Cracks Ö 003 3.28 Main Rotor Support Cracks Ö 002 Mast 4.2 Fuselage and Empen- Cracks Ö 003 nage Access Doors, Covers, Panels, and Fairings - Metal A-3 (4) MAINTENANCE CATEGORY (5) INSPECTION EQUIPMENT REQUIREMENTS (3) INSPECT FOR (6) REMARKS (2) COMPONENT ASSEMBLY (1) PROCEDURE NUMBER AVUM AVIM DEPOT