INSPECTION AND CHECK
61-00-39
Page 5-13
Rev. 17 Apr/20
Propeller Owner’s Manual
139
4. Required Periodic Inspection/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 Inspections
(1) 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 interval 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) calendar 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 (leading edge,
trailing edge, face, and camber sides) for nicks, gouges,
erosion, and cracks.
(a) Refer to the section, “Aluminum Blades” in the
Maintenance Practices chapter of this manual for
damage evaluation and repair information.
(4) Make an entry in the log book verifying this inspection.
