Propeller Owner’s Manual
147
INSPECTION AND CHECK
61-00-47
Page 5-13
Rev. 17 Sep/20
3. Required Periodic Inspections and Maintenance
CAUTION:
INSTRUCTIONS AND PROCEDURES IN
THIS SECTION MAY INVOLVE PROPELLER
CRITICAL PARTS. REFER TO THE
INTRODUCTION CHAPTER OF THIS
MANUAL FOR INFORMATION ABOUT
PROPELLER CRITICAL PARTS. REFER TO
THE ILLUSTRATED PARTS LIST CHAPTER
OF THE APPLICABLE OVERHAUL MANUAL(S)
FOR THE IDENTIFICATION OF SPECIFIC
PROPELLER CRITICAL PARTS.
A. Periodic Inspection
(1) Except for the blade and erosion shield coin-tap
inspection in this section, perform the following inspection
procedures at 400
hour intervals, not to exceed twelve (12)
calendar months. Procedures involved in these
inspections are detailed below.
(a) Inspection and maintenance specified by an airframe
manufacturer’s maintenance program and approved
by the applicable airworthiness agency may not
coincide with the inspection time intervals specified.
1 In this situation, the airframe manufacturer’s
schedule may be applied as long as the
calendar limit for the inspection interval does
not exceed twelve (12) months.
(b) For additional inspection information (including
possible corrections), refer to the section,
“Inspection Procedures” in this chapter, and/or the
Testing and Troubleshooting chapter of this manual.
(2) Remove the spinner dome.
(3) Visually examine the propeller blades (lead edge,
trail edge, face, and camber sides) for nicks, gouges,
erosion, cracks, etc.
(a) Refer to the applicable section, “Composite Blades”
in the Maintenance Practices chapter of this manual
for damage evaluation and repair information.