BHT-212-MM-1
5-00-00
26 JUN 2013 Rev. 14 Page 199
Export Classification C, ECCN EAR99
b. Main rotor hub.
(1) If main rotor blades were not damaged sufficiently
to require blade replacement, hub may be retained in service.
BHT-212-CR&O (2) If a main rotor blade is damaged sufficiently to
require blade replacement, perform overhaul inspection on main
rotor hub. If any doubt exists, contact Product Support
Engineering.
(3) If a main rotor blade is damaged beyond repair,
scrap 204-011-121 grips and perform overhaul evaluation on
main rotor hub. Make entry in component record to show reason
for removal was sudden stoppage.
c. Pylon control components.
BHT-212-CR&O (1) If one or more of the following discrepancies in
step (a) through step (f) are found, swashplate assembly,
stabilizer bar assembly, and scissors and sleeve assembly shall
be removed and an overhaul evaluation performed.
(a) Severe main rotor blade damage sufficient to
require replacement.
(b) Pitch horn failure.
(c) Yielded stabilizer bar tube.
(d) Control tube buckled or broken.
(e) Transmission main support case mounting leg
broken.
(f) Damaged isolation mounts.
If no condition exists as listed in preceding step (1), perform a
close visual inspection. If no evidence of damage is found, the
swashplate assembly, stabilizer bar assembly, and scissors
and sleeve assembly may remain in service.
d. Replace all bolts in rotating controls. Discard removed
bolts.
5-51. AFTER BLADE STRIKE OR OTHER ROTATING SYSTEM TORQUE SPIKE (CONT)
DATA REFERENCE INSPECTION TASK DESCRIPTION
INITIAL
MECH OTHER
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