BHT-212-MM-1
5-00-00
Page 220 Rev. 14 26 JUN 2013
Export Classification C, ECCN EAR99
2. If visual indications of damage are present, proceed as
follows:
a. Remove main rotor blades and visually inspect. If
blades show any of the following indications, scrap blades.
(1) Inspect blades for signs of burns. Burn marks can
be very minute.
(2) Inspect blades for debond in all bonded areas.
b. Remove main rotor hub and forward to an overhaul
facility for overhaul. Tag hub stating lightning strike as reason for
removal. Inspect main rotor hub and rotating controls for
indication of arcing or burning.
c. Remove main driveshaft for inspection.
BHT-212-CR&O (1) Disassemble to the same extent required for
coupling. Repack and clean couplings.
(2) Visually inspect couplings for any evidence of arc
burning or pitting. Pay special attention to tips, roots, and
profiles of male and female coupling teeth. Any evidence of arc
burning or pitting is cause for rejection.
d. Remove tail rotor output coupling for inspection.
BHT-212-CR&O (1) Disassemble to same extent required for coupling.
Repack and clean couplings.
(2) Visually inspect couplings for any evidence of arc
burning or pitting. Pay special attention to the tips, roots, and
profiles of male and female coupling teeth. Any evidence of arc
burning or pitting is cause for rejection.
5-55. AFTER LIGHTNING STRIKES (CONT)
DATA REFERENCE INSPECTION TASK DESCRIPTION
INITIAL
MECH OTHER
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