BHT-430-MM-2
5-00-00
Page 130 Rev. 15 26 JAN 2007
b. Tail rotor driveshafts:
(1) Remove the tail rotor driveshafts and examine
them for the conditions that follow. If you find one or more of the
conditions listed in step (a) through step (d), remove and scrap
all the driveshaft and bearing hangers.
(a) Examine the adapter flanges for distortion
and cracks.
Chapter 65 (b) Make sure the shafts are not distorted or out
of round. Do a fluorescent penetrant inspection to examine the
shafts for cracks.
(c) Examine the shafts for loose or sheared
rivets.
Chapter 65 (d) Examine the shafts for scratches that are
more than the allowable limit.
NOTE
If you replace the driveshafts, coupling assembly or
hanger assemblies because of the results of step (a)
or step (b) above, do a thorough inspection of the
hanger support structure for cracks, loose or sheared
rivets, and elongated holes.
Chapter 65 (2) If you do not find any of the conditions that are
listed in step (a) through step (d), examine the tail rotor
driveshafts. Make an entry in the component records to show
that the reason for removal was a sudden stoppage.
c. Tail rotor hub and blade assembly:
(1) Remove and scrap the tail rotor hub and blade
assembly if the sudden stoppage started at the tail rotor blades.
BHT-430-CR&O-3 (2) If the sudden stoppage started at the tail rotor
driveshaft or the tail rotor gearbox, remove the tail rotor hub and
blades and do an overhaul. Make an entry in the component
record to show that the reason for removal was a sudden
stoppage.
CONDITIONAL INSPECTIONS
5-47. SUDDEN STOPPAGE — POWER ON OR OFF (CONT)
DATA REFERENCE INSPECTION TASK DESCRIPTION
INITIAL
MECH OTHER
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