Hartzell HC-E4 3 Series Owner's Manual page 207

(2) Inspection Procedure
(a) Examine the propeller assembly for damage related
to the foreign object/ground strike.
(b) If any 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
3 Any noticeable or suspected damage to the
pitch change mechanism
4 Any blade diameter reduction
5 Bent, cracked, or failed engine shaft
6 Vibration during operation
(that was not present before the event)
(c) Composite Blades: Perform a thorough visual
inspection and a coin-tap inspection of each blade
(including the metal erosion shield) in accordance
with Hartzell Propeller Inc. Composite Blade Field
Maintenance and Minor Repair Manual 170
(61-13-70).
1 If the blade damage is not within the airworthy
damage limits, the blade(s) must be repaired
before further flight.
NOTE:
INSPECTION AND CHECK
Propeller Owner's Manual
Refer to the section, "Loose Blades" in this
chapter for the permitted limits of blade
movement.
It is not necessary to remove the
de-ice/anti-icing boot for this
inspection.
147
61-00-47
Rev. 17 Sep/20
Page 5-37