Textron Bell 412, Руководство по обслуживанию

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BHT-412-MM-2
5-00-00
Page 66
Rev. 16 26 FEB 2013 Export Classification C, ECCN EAR99
a. Exterior structure for condition, damage, and corrosion.
b. Baggage compartment interior for condition and
cleanliness.
Chapter 52 2. Baggage compartment door for damage, proper
operation, and security.
Chapter 52 3. Driveshaft and intermediate gearbox covers for damage
and security.
Chapter 67 4. Elevators for damage and security. Elevator control tube
for positive spring action and freedom of movement.
Chapter 97 5. Tailboom mounted avionics equipment for condition and
security.
Chapter 53 6. Every fourth 25 Hour/30 Day Inspection:
a. Inspect vertical fin caps for cracks and/or corrosion.
b. Inspect interior structure (including joints, splices,
longerons, attach fittings, and hardware) for condition,
corrosion, damage, and cracks.
NOTE
Step c and step d pertain to helicopters modified
with the BLR FastFin™ system kit 412-705-040-101.
For helicopters equipped with the Dual Tailboom
Strakes and FastFin™ system Supplemental Type
Certificate (STC), refer to the applicable BLR
Aerospace documents for inspection criteria.
c. Inspect upper and lower tail fairings for visible damage
to the exterior skin and cracks at the attachment points. If paint
is missing locally or has scratches, inspect the fairing for
delamination and voids with a tap hammer. Inspect fairings for
loose or missing attaching hardware.
d. Inspect upper and lower strakes for visible damage,
deformation, cracks at the attachment points, and loose or
missing rivets.
SCHEDULED INSPECTIONS
5-9. 25 HOUR/30 DAY INSPECTION — PART B (CONT)
DATA REFERENCE INSPECTION TASK DESCRIPTION
INITIAL
MECH OTHER