BHT-412-MM-2
5-00-00
Page 62 Rev. 16 26 FEB 2013
Export Classification C, ECCN EAR99
b. Heat/vent air ducts for condition and proper operation.
c. Ventilation/defog components for condition and
security.
Chapter 25 14. Miscellaneous furnishings (map and data case, first aid kit,
and emergency equipment) for condition and security.
Chapter 63 15. Main rotor transmission:
a. Proper oil level.
b. External oil filter for bypass indication.
c. Cases for damage, corrosion, condition, and evidence
of leakage.
d. Accessories for condition, corrosion, damage, and
security of attachment.
e. External oil lines and hoses for condition, damage,
chafing, and leaks, paying particular attention to lines running
aft of the thermostatic relief valve.
f. Transmission mount dust boots for condition.
CAUSE OF ANY DISCOLORATION SHALL BE
DETERMINED AND CORRECTED PRIOR TO
NEXT FLIGHT.
g. Transmission tail rotor output quill coupling (and
surrounding area) 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 (see step h).
5-9. 25 HOUR/30 DAY INSPECTION — PART B (CONT)
DATA REFERENCE INSPECTION TASK DESCRIPTION
INITIAL
MECH OTHER
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