BHT-206A/B-SERIES-MM-1
5-00-00
30 APR 2013 Rev. 14 Page 81
Export Classification C, ECCN EAR99
EXERCISE CARE AND USE ADEQUATE SCREW
LENGTH WHEN REINSTALLING VERTICAL
TUNNEL COVER TO AVOID CONTACT WITH TAIL
ROTOR CONTROL TUBE.
8. In the vertical tunnel area, examine the following:
Chapter 67 a. Flight control system tubes for evidence of chafing with
oil line or flex cable.
b. Flight control system bellcranks, levers, supports, and
walking beams for binding, excessive looseness, and security of
attachment.
Chapter 95 c. Oil lines for leakage, condition, and security.
Chapter 53 d. Roof beam interface with vertical tunnel for cracks,
corrosion, and loose fasteners.
e. Vertical tunnel stiffening angles at roof beam interface
for cracks, condition, and loose fasteners.
Chapter 25 and
Chapter 53
9. Remove crew seat cushions and panels and examine the
following:
Chapter 67 and
Chapter 76
a. Control tubes, N
1
throttle cable, bellcranks, levers,
yokes, and supports for bending, excessive looseness, and
security of attachment.
Applicable Service
Instruction
b. Heater ducts for chafing with controls, if installed.
Chapter 95 c. Oil lines for leakage and general condition.
Chapter 96 d. Wiring and electrical components for condition and
security.
Chapter 53 e. Structure for corrosion, cracks, and condition.
5-25. 300-HOUR AIRFRAME PROGRESSIVE INSPECTION — EVENT NO. 5 (CONT)
DATA REFERENCE INSPECTION TASK DESCRIPTION
INITIAL
MECH OTHER