Textron Bell 412, Руководство по обслуживанию

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BHT-412-MM-2
5-00-00
01 JUN 2018 Rev. 26 Page 19 Export Classification C, ECCN EAR99
WARNING
CAUSE OF ANY DISCOLORATION SHALL BE
DETERMINED AND CORRECTED PRIOR TO
NEXT FLIGHT.
4. Flexible couplings and surrounding areas for grease
leakage, damage, corrosion, and evidence of overheat as
indicated by TEMP-PLATES or coupling discoloration. A change
in color of one or more of the red bordered TEMP-PLATE dots
from white/off-white to black indicates an overheat condition and
may require replacement of both outer and inner couplings
(step 5).
5. Overheat TEMP-PLATES for condition and security.
TEMP-PLATES must not show evidence of over temperature
indication, deterioration, debonding, or excessive discoloration
of the epoxy overcoating.
NOTE
Step 6 through step 10 pertain to helicopters
S/N 36020 through 36999, S/N 37002 through
37999, S/N 38001 through 38999, S/N 39101
through 39999, and helicopters modified by
412-570-001-103 or Post BHT-412-SI-74 (412SP to
412HP Upgrade).
WARNING
CAUSE OF ANY DISCOLORATION SHALL BE
DETERMINED AND CORRECTED PRIOR TO
NEXT FLIGHT.
SCHEDULED INSPECTIONS
5-5. DAILY INSPECTION — PART A (CONT)
DATA REFERENCE INSPECTION TASK DESCRIPTION
INITIAL
MECH OTHER