Page 5.39A Chapter 5 Inspections JUL 2020
5-50 2000-Hour/12-Year Inspection (continued)
13. Balance tail rotor per § 18-20. Track and balance main rotor per § 18-10. Perform flight
checks per § 5-43.
14. Drain and flush tail rotor gearbox per § 12-23.
15. Make appropriate maintenance record entries. Enter maintenance performed (such as
part replacement, equipment adjustments, weighing, servicing, and lubrication) and
inspection data. Data must include a description of (or reference to data acceptable to
the Administrator) the work performed, date, helicopter total time in service, signature,
certificate type and certificate number of person approving aircraft return to service.
5-51 C258-5 Main Rotor Pitch Link Assembly Inspection
1. Temporarily mark each pitch link and associated swashplate ear with unique color.
Record overall lengths of both links.
2. Remove pitch links.
3. Disassemble pitch links, keeping parts from each link separate from the other.
4. Evaluate rod ends per § 5-33 and replace as required.
5. Visually inspect parts with 10X magnification for obvious damage. Replace damaged
parts.
6. Visually inspect interior of barrels with borescope for obvious damage. Replace
damaged barrels.
7. Assemble pitch links and adjust to recorded lengths. Torque jam nut & adjacent palnut
per § 20-32. Special torque self-locking jam nut per § 20-33.
8. Install pitch links to associated swashplate ear and, if installed, main rotor blade.
Torque fasteners per § 20-32 and torque stripe per Figure 5-1.
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