Propeller Owner’s Manual
139
INTRODUCTION
61-00-39
Page 1-13
Rev. 17 Apr/20
(b) At such specified periods, the propeller hub
assembly and the blade assemblies must be
completely disassembled and inspected for cracks,
wear, corrosion, and other unusual or abnormal
conditions.
(3) Overhaul must be completed in accordance with
the latest revision of the applicable component
maintenance manual and other publications applicable
to, or referenced in, the component maintenance
manual.
(a) Parts that are not replaced at overhaul must be
inspected in accordance with the check criteria in
the applicable Hartzell Propeller Inc. component
maintenance manual.
(b) Parts that must be replaced at overhaul are
identified by a “Y” in the
O/H column of the Illustrated Parts List in the
applicable Hartzell
Propeller Inc. component maintenance manual.
(4) The information in this manual supersedes data in all
previously published revisions of this manual.
10. Damage/Repair Types
(Rev. 1)
A. Airworthy/Unairworthy Damage
(1) Airworthy damage is a specific condition to a propeller
component that is within the airworthy damage limits
specified in the applicable Hartzell Propeller Inc.
component maintenance manual.
(a) Airworthy damage does not affect the safety or flight
characteristics of the propeller and conforms to its
type design.
(b) Airworthy damage does not require repair before
further flight, but should be repaired as soon as
possible to prevent degradation of the damage.
