INSPECTION AND CHECK
61-00-39
Page 5-29
Rev. 17 Apr/20
Propeller Owner’s Manual
139
(c) Make a record of the overspeed/overtorque event
in the propeller logbook, indicating any corrective
action(s) taken.
NOTE: Some aircraft installations have torque
indicator values indicating 100% torque that
are less than the maximum certified torque
for the specific propeller model as listed in
the propeller type certificate data sheet. If
an overtorque occurs that requires propeller
repair station evaluation, contact Hartzell
Propeller Inc.
Product Support to confirm
actual overtorque percentage.
B. Lightning Strike
(Rev. 1)
CAUTION:
ALSO CONSULT ENGINE AND AIRFRAME
MANUFACTURER’S MANUALS FOR
ADDITIONAL INSPECTIONS TO PERFORM
AFTER A PROPELLER LIGHTNING STRIKE.
(1) General
(a) In the event of a propeller lightning strike, an
inspection is required before further flight.
(b) If the propeller meets the requirements of the
“Temporary Operation Inspection” in this section,
10 hours of operation is permitted before propeller
disassembly/inspection must be performed.
(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 broke
n wires or
arcing damage to propeller hub).
