Overspeed Main Rotor - 114% Or Greater - Bell 206L4 Maintenance Manual

5-53. OVERSPEED MAIN ROTOR — 114% OR GREATER
DATA REFERENCE
Export Classification C, ECCN EAR99
CONDITIONAL INSPECTIONS
INSPECTION TASK DESCRIPTION
DATE: __________________W.O. _____________________
FACILITY: _________________ _ ________________________
HELICOPTER S/N: __________ _ ________________________
REGISTRY NO.: ____________ _ ________________________
TOTAL TIME:_______________________________________
SIGNATURE:_______________ _ ________________________
OVERSPEED MAIN ROTOR — 114% OR GREATER
Components removed
evaluation following an overspeed shall be evaluated
as an interrelated
accompanying
cross-reference part and serial numbers of other
drive system components removed for evaluation.
For main rotor overspeeds above 107% and up to
114%, visually inspect main rotor blades and tail rotor
blades for skin wrinkles or damage. If damage or
wrinkles are detected,
overspeed inspection.
1. If the main rotor overspeeds in excess of 114% RPM,
proceed with the following:
a. Discarding of the following items is mandatory:
(1) Tension/torsion straps.
(2) Inboard strap fittings and pins.
(3) Latch bolts.
b. Main rotor blades.
NOTE
from a helicopter
group. Removal
each component
accomplish complete
7 JUN 2013 Rev. 18
BHT-206L4-MM-1
INITIAL
MECH
for
records
shall
OTHER
5-00-00
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