BHT-407-MM-1
5-00-00
Page 68
Rev. 23 7 NOV 2006
CONDITIONAL INSPECTIONS
5-29. SUDDEN STOPPAGE — TAIL 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 — TAIL ROTOR — POWER
“ON” OR “OFF”
Sudden stoppage is any rapid deceleration of the rotor drive
system. This may be caused by the seizure of the tail rotor drive
system or by contact of the tail rotor blades with the ground,
water, snow, dense vegetation, or other objects of sufficient
mass. There is a sudden stoppage when a tail rotor blade
strikes some object with a force sufficient to require a blade to
be discarded.
When sudden stoppage has occurred, do the steps that follow:
Chapter 63
FREEWHEEL ASSEMBLY
1.
Remove and examine the freewheel assembly. If the
freewheel outer shaft assembly is cut in two, discard the outer
shaft, the inner shaft, and the sprag clutch assembly. Put tags
on the parts that remain and write, “THIS PART WAS
REMOVED FROM SERVICE BECAUSE OF A SUDDEN
STOPPAGE.” Send the remaining parts to an approved facility
for overhaul.
