BHT-206L4-MM-1
5-00-00
Page 42 Rev. 13 25 FEB 2011
ECCN EAR99
c. Examine drain lines for condition and security.
d. Examine aft fuselage longerons for cracks, corrosion,
and condition. Pay particular attention to the upper left longeron
between aft fuselage frame at STA 204.49 and frame at
STA 231.48.
e. Examine interface between longerons and engine pan
structure for cracks, corrosion, distortion and loose fasteners.
f. Inspect engine mount attachment structure for
condition.
ANY CRACK, CORROSION, OR LOOSE OR
SHEARED RIVET IS CAUSE FOR IMMEDIATE
GROUNDING OF THE HELICOPTER UNTIL THE
PROBLEM IS CORRECTED.
Chapter 53
Chapter 4
g. Examine the four tailboom attachment fittings on
fuselage aft bulkhead and tailboom forward bulkhead for cracks.
Give special attention to the tailboom attachment fittings/
intercostals and bolts, and to fasteners between the intercostal.
Particular attention must be given to inspection of the upper left
fitting (refer to Chapter 4, Inspection Limitations Schedule),
CONTROLS
Chapter 67 1. Examine the anti-torque control system components for
condition and security.
2. Examine the stabilizer elevator control system components
for condition and security.
Chapter 96 and
Chapter 97
ELECTRICAL AND AVIONICS
1. Examine antennas for condition and security.
2. Examine all components, electrical wiring, cables, and
connectors for chafing, general condition, and security.
5-19. 100-HOUR AIRFRAME PROGRESSIVE INSPECTION — EVENT NO. 4 (CONT)
DATA REFERENCE INSPECTION TASK DESCRIPTION
INITIAL
MECH OTHER
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