BHT-206A/B-SERIES-MM-1
5-00-00
30 APR 2013 Rev. 14 Page 163
Export Classification C, ECCN EAR99
5-53. SUDDEN STOPPAGE/ACCELERATION — MAIN ROTOR — POWER ON OR OFF
DATA REFERENCE INSPECTION TASK DESCRIPTION
INITIAL
MECH OTHER
DATE: __________________W.O. _____________________
FACILITY: __________________________________________
HELICOPTER S/N: ___________________________________
REGISTRY NO.: _____________________________________
TOTAL TIME:_______________________________________
SIGNATURE:________________________________________
Sudden stoppage/acceleration is defined as any rapid
deceleration or acceleration of drive system whether caused by
seizure within drive system, sudden freewheel clutch
engagement, impact of main rotor with the ground or with a
foreign object of sufficient inertia to cause rapid deceleration.
Components removed from helicopter for evaluation
following a sudden stoppage/acceleration shall be
evaluated as an interrelated group. Removal records
accompanying each component shall
cross-reference part and serial numbers of other
drive system components removed for evaluation.
BHT-206A/B-M&O,
BHT-206B3-CR&O
1. After sudden stoppage, inspect main rotor blade as follows:
a. Remove tip cover plate from both main rotor blades.
b. Inspect blade skin and bonded doublers for visible
damage.
c. Check tip weights. If any movement of tip weights has
occurred, blade shall be scrapped.
2. After sudden stoppage of main rotor, remove both main
rotor blades. Send blades to a Bell Helicopter Textron approved
repair facility for evaluation.
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