INSPECTION AND CHECK
61-00-39
Page 5-32
Rev. 17 Apr/20
Propeller Owner’s Manual
139
(2) Inspection Procedure
(a) Examine the propeller assembly for damage related
to the foreign object/ground strike.
(b) Ifany of the following indications are found, the
propeller must be removed from the aircraft,
disassembled and overhauled
by a certified propeller
repair station with the appropriate rating.
1 Blade(s) damaged, bent, or out of track/angle
2 Blade(s) loose in the hub (if applicable)
a Refer to the section, “Loose Blades” in this
chapter for the permitted limits of blade
movement.
3 Blade(s) rotated in the clamp (if applicable)
4 Any noticeable or
suspected
damage to the
pitch change mechanism
5 Any
blade diameter reduction
6 A bent, cracked, or failed engine shaft
7 Vibration during operation
(that was not present before the event)
(c) Aluminum Blades: Nicks, gouges, and scratches
on blade surfaces or the leading and trailing edges
must be removed before flight.
1 Refer to the section, “Aluminum Blades” in the
Maintenance Practices chapter of this manual
(if applicable) for damage evaluation and repair
information.
(d) Engine mounted components - such as governors,
pumps, etc. may be damaged by a foreign object
strike strike, especially if the strike resulted in a
sudden stoppage of the engine.
1 These components should be inspected and
repaired in accordance with the applicable
component maintenance manual.
(e) Make a record of the foreign object strike/ground
strike event in the propeller logbook, indicating any
corrective action(s) taken.