Textron Bell 206L3, Руководство по обслуживанию

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BHT-206L3-MM-1
5-00-00
Page 90
Rev. 16 25 FEB 2011 ECCN EAR99
Chapter 4 and
Chapter 53 3. 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).
4. Make sure the area is clean and visually examine all visible
sections of the upper left longeron between aft fuselage frame
at STA 204.92 and frame at STA 231.486 for general condition,
corrosion, and cracks.
a. If corrosion or a defect is found, submit details to
Product Support Engineering for evaluation and possible repair.
NOTE
In the event that cracks are found during inspection
of tailboom, contact Bell Helicopter Textron, Product
Support Engineering.
5. Examine tailbooms 206-033-004-045 and prior, modified in
accordance with ASB 206L-87-47 as follows:
a. Remove tail rotor driveshaft and gearbox fairings.
Inspect for condition and attachment of fasteners.
b. Remove a sufficient amount of anti-chafing tape to
permit inspection of tailboom skin adjacent to tail rotor driveshaft
cover retention clips aft of horizontal stabilizer, and in area of
double row of rivets attaching tail rotor gearbox support fitting to
tailboom (BS 174).
c. Prior to cleaning, use a minimum 5X magnifying glass
to inspect for cracks and signs of developing cracks at the
following locations:
(1) Aft of stabilizer assembly, around rivets, which
attach tail rotor driveshaft cover retention clips to tailboom.
(2) Area of tail rotor gearbox fairing attachment
nutplate rivets.
SCHEDULED INSPECTIONS
5-28. 100-HOUR INSPECTION (CONT)
DATA REFERENCE INSPECTION TASK DESCRIPTION
INITIAL
MECH OTHER