Propeller Owner’s Manual
136
INSPECTION AND CHECK
61-00-36
Page 5-25
Rev. 2 Feb/17
D. Fire Damage or Heat Damage
WARNING:
HUBS ARE MANUFACTURED FROM HEAT
TREATED FORGINGS AND ARE SHOT
PEENED. BLADES ARE MANUFACTURED
FROM HEAT TREATED FORGINGS
AND ARE COMPRESSIVELY ROLLED
AND SOMETIMES SHOT PEENED.
EXPOSURE TO HIGH TEMPERATURES
CAN DESTROY THE FATIGUE BENEFITS
OBTAINED FROM THESE PROCESSES.
(1) On rare occasions propellers may be exposed to fire or
heat damage such as an engine or hangar fire. In the
event of such an incident, an inspection by a certified
propeller repair station with the appropriate rating is
required before further flight.
