Textron Bell 412, Руководство по обслуживанию

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BHT-412-MM-2
5-00-00
01 JUN 2018 Rev. 26 Page 197 Export Classification C, ECCN EAR99
When any of these sudden stoppage incidents are
reported, do the steps that follow:
Chapter 62 1. If the sudden stoppage was caused by a main rotor strike
do the inspection that follows.
a. Main Rotor Blades:
NOTE
In all cases, ensure damage limits are adhered to.
(1) Visually inspect main rotor blades for damage
such as cracks, bond voids and delamination.
(2) If a blade is damaged sufficiently to require
replacement, return it to an authorized repair facility. Make an
entry in the component record to show reason for removal is a
sudden stoppage. Refer to BHT-412 CR&O for repair limits.
(3) Blades may remain in service if no damage was
found or if damage was within acceptable damage limits.
b. Main Rotor Hub and Pylon Controls.
(1) If main rotor blades were not damaged sufficiently
to require blade replacement, perform a visual inspection of the
following components. If no evidence of damage is found, the
inspected components may be retained in service.
(a) Main rotor hub assembly.
(b) Main rotor pitch links.
(c) Main rotor swashplate and support.
(d) Main rotor hub and sleeve.
(e) Collective lever.
(2) If the main rotor blade(s) were damaged as a
result of a sudden stoppage the following shall be removed and
an overhaul evaluation performed.
CONDITIONAL INSPECTIONS
5-38. SUDDEN STOPPAGE — POWER ON OR OFF (CONT)
DATA REFERENCE INSPECTION TASK DESCRIPTION
INITIAL
MECH OTHER