TM 1-1520-265-23INDEX-ContinuedSubjectParagraphPageNumberNumberMain Rotor Shaft Nut (MT) ............................................................................................................. 2.52-8Backup Method.................................................................................................................. 2.5.42-9Defects.............................................................................................................................. 2.5.22-8Description ........................................................................................................................ 2.5.12-8Primary Method ................................................................................................................. 2.5.32-8System Securing ............................................................................................................... 2.5.52-9Main Transmission (ET) ................................................................................................................. 3.23-3Backup Method.................................................................................................................. 3.2.43-4Defects.............................................................................................................................. 3.2.23-3Description ........................................................................................................................ 3.2.13-3Primary Method ................................................................................................................. 3.2.33-3System Securing ............................................................................................................... 3.2.53-4Marking and/or Recording of Inspection Results............................................................................. 1.31-17NNondestructive Inspection Methods................................................................................................ 1.41-17Acceptance/Rejection Criteria.......................................................................................... 1.4.131-37Bond Testing (BT) Method................................................................................................. 1.4.61-19Demagnetization of Inspection Parts.................................................................................. 1.4.91-30Eddy Current (ET) Method............................................................................................... 1.4.111-31Equipment Used for NDI.................................................................................................. 1.4.141-37Fluorescent Penetrant (PT) Method................................................................................... 1,4.71-21Magnetic Particle (MT) Method .......................................................................................... 1.4.81-27Materials Used for NDI .................................................................................................... 1.4.151-37NDI General Safety Precautions........................................................................................ 1.4.51-19Post Cleaning and Restoration of Part or Area after NDI.................................................. 1.4.161-37Preparation of Helicopter for NDI....................................................................................... 1.4.31-18Preparation of Part or Area for NDI.................................................................................... 1.4.41-18Purpose of Nondestructive Inspection (NDI)...................................................................... 1.4.11-17Radiographic (RT) Method............................................................................................... 1.4.101-30Selecting the NDI Method.................................................................................................. 1.4.21-18Ultrasonic (UT) Method.................................................................................................... 1.4.121-35Nonferrous Bolts and Pins Contained within the Airframe and LandingGear System (PT).................................................................................................................. 4.374-81Description ...................................................................................................................... 4.37.14-81Nonferrous Bolts Contained within the Flight Control System (PT)............................................... 6.246-44Description ...................................................................................................................... 6.24.16-44Nonferrous Connecting Links, Rod Ends, Clevises, Levers, andAttaching Parts (ET)............................................................................................................... 6.166-31Backup Method................................................................................................................ 6.16.46-32Defects............................................................................................................................ 6.16.26-31Description ...................................................................................................................... 6.16.16-31Primary Method ............................................................................................................... 6.16.36-31System Securing ............................................................................................................. 6.16.56-32Index 9
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