5-45 100-Hour / Annual Maintenance and Inspection
RHC recommends retaining a copy of the most recently performed 100-hour / annual checklist
with the aircraft’s maintenance records to meet the requirement of 14 CFR § 91.417 (b)(1).
R66 Serial No.: Technician Name:
Registration No.:
Technician
Certificate Number:
Collective-Activated
(Time In Service)
Hourmeter Indication:
Helicopter Total
Time In Service:
A. Preparation
Operation Checks:
Perform ground and flight checks per § 5-40.
Cleaning (required by 14 CFR Part 43, Appendix D, paragraph (a)):
Note any fluid leakage before cleaning. Clean main and tail rotor blades, hubs,
and airframe exterior with a mild soap and water solution per Chapter 20.
CAUTION
Do not spray main rotor hub, tail rotor gearbox vent, hydraulic
reservoir vent, swashplate area, or bearing seals with high-
pressure water or solvent as water or solvent may cause
corrosion or breakdown of lubricants. See RR300 Series
Operation and Maintenance Manual (OMM) for engine cleaning
instructions and precautions.
Access and Inspection Panels:
Refer to R66 Illustrated Parts Catalog Chapter 6 for access and inspection panel
locations. Remove or open necessary panels, doors, covers, fairings, and cowlings
in accordance with 14 CFR Part 43, Appendix D, paragraph (a).
NOTE
If radio antennas are installed on removed panels, disconnect
antenna lead and corresponding ground wire. Pull respective
radio circuit breaker and tag circuit breaker with “Antenna
Removed.”
CAUTION
Instrument console removal (§ 95-50) is not required for
scheduled inspections. Sufficient access for inspection is gained
by removing the chin inspection panel, as well as removal of
installed avionics, as required (refer to Chapter 97).
JUL 2020 Chapter 5 Inspections Page 5.13
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