(5)  
Fiber Light Carrier - Model FO-400-5A,
 Cystoscope Makers Inc., Industrial Division,
 Pelham, New York

 (6)  
Rigid Borescope - Model FIB 730, Richard Wolf
 Medical Instruments Corp., Rosemont, Illinois

 (7)  
Rigid Borescope - Model FIB 740, Richard Wolf
 Medical Instruments Corp., Rosemont, Illinois

 (8)  
Rigid Borescope - Model FIB 760, Richard Wolf
 Medical Instruments Corp., Rosemont, Illinois

 C. References
 (1)  
AMM 32-41-15/401, Landing Gear Brake Unit - Removal/Installation

 (2)  
AMM 32-41-15/601, Landing Gear Brake Unit - Inspection/Check

 (3)  
AMM 32-42-04/401, Antiskid Transducer - Removal/Installation

 (4)  
AMM 32-45-01/401, Main Landing Gear Tire/Wheel Assembly -Removal/Installation

 (5)  
AMM 32-45-02/401, Nose Landing Gear Tire/Wheel Assembly -Removal/Installation

 (6)  
AMM 32-45-03/601, Wheels - Inspection/Check

 (7)  
AMM 32-45-11/401, Main Gear Tire Pressure Indication System -Removal/Installation

 (8)  
AMM 32-45-12/401, Nose Gear Tire-Pressure-Indicating-System -Removal/Installation

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747-400 MAINTENANCE MANUAL
 D. Wheel Inspection
 S 212-002
 (1)  Do the wheel inspection (AMM 32-45-03/601).
 (a)  When a main wheel shows signs of a wheel bearing failure, or other signs of damage, remove the wheel and tire assembly (AMM 32-45-01/401).
 NOTE: The wheel and tire assembly, and the bearings must be
____ sent to the shop for disassembly and a detailed inspection.
 (b)  When a nose wheel shows signs of a wheel bearing failure, or other signs of damage, remove the wheel and tire assembly (AMM 32-45-02/401).
 NOTE: The wheel and tire assembly, and the bearings must be
____ sent to the shop for disassembly and a detailed inspection.
 (c)  Make sure the correct wheel bearings are installed in the wheels that are removed.
 E. Brake Inspection
 S 212-003
 (1)  Do the inspections of the brake assembly (main landing gear only) (AMM 32-41-15/601).
 (a)  
Examine the parts that follow if the failure of a wheel bearing let the wheel touch the brake: 1) Rotors 2) Stators 3) Torque tube 4) Other parts of the brake assembly that can become damaged.

 (b)  
When a brake assembly shows signs of damage or does not operate correctly, remove the brake assembly (AMM 32-41-15/401).

 NOTE: The brake assembly must be sent to the shop for
____ disassembly and a detailed inspection.
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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A
747-400 MAINTENANCE MANUAL
 F. Main Landing Gear (MLG) Axle Inspection
 S 212-004
 (1)  Do the inspection of the main gear axle and the brake sleeve.
 NOTE: If axle heat damage is suspected, remove the axle sleeve
____ and examine the inner diameter (ID) and outer diameter (OD) of the axle.
 (a)  Remove the components that follow if they have not been removed:
 NOTE: Make sure you inspect them for damage.
____

 1) The brake assembly (AMM 32-41-15/401)
 2) The wheel speed transducer (AMM 32-42-04/401)
 3) The wheel interface for the tire pressure indicating system

 (TPIS), if it is installed (AMM 32-45-11/401 4) the brake cooling fan motor if it is installed.
 (b)  
Remove the grease or corrosion inhibitive compound (CIC) from the ID of the axle.

 (c)  
Examine the components that follow and look for paint or primer discoloration, blistering, and structural damage:

 NOTE: Damage is scoring, metal transfer, and/or displacement
　
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