BELL HELICOPTER 430 - 5-50. LIGHTNING STRIKE; NOTE; 1. Examine all of the external surfaces of the helicopter.; 2. If you find damage to the helicopter, do the steps that follow:

BHT-430-MM-2
5-00-00
26 JAN 2007 Rev. 15 Page 143
CONDITIONAL INSPECTIONS
5-50. LIGHTNING STRIKE
DATA REFERENCE INSPECTION TASK DESCRIPTION
INITIAL
MECH OTHER
DATE: __________________W.O. ____________________
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FACILITY: _________________________________________
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HELICOPTER S/N: __________________________________
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REGISTRY NO.: ____________________________________
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TOTAL TIME:______________________________________
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SIGNATURE:_______________________________________
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If the helicopter has had a lightning strike, do the following:
NOTE
If you find a lot of damage in any area of the
airframe, expand the inspection in that area until you
get past the zone of damage.
1. Examine all of the external surfaces of the helicopter.
Closely examine the main rotor blades, main rotor yokes,
transmission, mast assembly, tail rotor blades and hub, tail rotor
gearbox, horizontal stabilizer auxiliary fins and the vertical fin.
Examine the electrical instruments and systems.
2. If you find damage to the helicopter, do the steps that
follow:
a. Remove the main rotor blades. Examine the main rotor
blades. Replace the blades if you find any of the indications that
follow:
(1) Examine the blades for signs of burns. The burn
marks can be very small.
Chapter 64 and
BHT-430-CR&O-2
(2) Examine the entire surface of all the blades for
voids and delamination.