Hartzell HC-E4 3 Series Owner's Manual page 205

(2) Temporary Operation Inspection
(a) Remove the spinner dome and perform a visual
inspection of the propeller, blades, spinner, and ice
protection system for evidence of damage that would
require repair before flight (such as broken wires or
arcing damage to propeller hub).
1 A lightning strike indication may appear as a
darkened area in proximity of the tip and at the
most inboard end of the metal erosion shield.
2 Other indications include: debonding, lifting or
buckling of the erosion shield, and splitting or
delamination of the composite material.
(b) Perform visual and coin-tap inspections of the
blades that have lightning strike indications in
accordance with Hartzell Propeller Inc. Composite
Blade Field Maintenance and Minor Repair
Manual 170 (61-13-70).
1 If the damage is within the airworthy damage
limits specified in Manual 170, temporary
operation for up to 10 flight hours is permitted
before propeller disassembly and inspection.
2 If the damage is not within the airworthy
damage limits specified in Manual 170,
temporary operation is not permitted. The
propeller must be removed from the aircraft,
disassembled, evaluated, and/or repaired
by a certified propeller repair station with the
appropriate rating before further flight.
(c) Perform an operational check of the propeller ice
protection system (if installed) in accordance with
the Anti-ice and De-ice Systems chapter of this
manual.
(d) Make a record of the lightning strike in the propeller
logbook, indicating any corrective action(s) taken.
(3) For flight beyond the 10-hour temporary operation limit:
(a) The propeller must be removed from the aircraft,
disassembled, evaluated, and/or repaired by a
certified propeller repair station with the appropriate
rating.
INSPECTION AND CHECK
Propeller Owner's Manual
147
61-00-47
Page 5-35
Rev. 17 Sep/20