BHT-212-MM-1
5-00-00
26 JUN 2013 Rev. 14 Page 87
Export Classification C, ECCN EAR99
c. Inspect tailboom joints, splices, longerons, attach
fittings, and attaching hardware for corrosion, damage, and
cracks.
ASB 212-90-63 d. Remove plug button at BS 99.00.
Paint fissures are common in the splice area, cracks
will be evident by black powder emanating from
cracked area, and corrosion will leave evidence of
white powder.
e. Using a borescope or suitable means, inspect inside of
longeron paying particular attention to cracking and/or corrosion
in area of splice.
f. Report any cracks to Product Support Engineering.
g. Install plug button with sealant (C-308).
h. Ensure all drain holes are open.
i. Vertical fin spar caps forward side and web from upper
tailboom skin to approximately 4 inches (101.6 mm) below
upper tailboom skin as follows: remove aft tailboom access
door. Face aft and use bright light and small mirror to inspect
area for cracks, especially near rivet holes.
BHT-ALL-SPM
If necessary, clean area with cloth dampened with
MEK (C-309) or equivalent. Ventilate area to prevent
breathing fumes.
Chapter 67 2. Anti-torque controls:
a. Tail rotor control tubes between tail rotor pedals and tail
rotor gearbox for corrosion, wear, and damage.
b. Control tube bellcrank, supports, and attaching
hardware for corrosion, security, wear, and damage.
5-13. 300 HOURS — PART B (CONT)
DATA REFERENCE INSPECTION TASK DESCRIPTION
INITIAL
MECH OTHER
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