TB 1-1520-238-20-109
e. Add paragraph 2.102.4.h. to read as follows:
h. Check tailboom vertical stabilizer elastomeric mounts for cracks, corrosion,
grease, and foreign objects.
(1) Check four elastomeric mounts for distortion, corrosion, and dirt. Use
10-power magnifier.
(2) Check four elastomeric mounts for cracks. Use 10-power magnifier.
(a) If cracks are suspected, perform nondestructive inspection
(TM 1-1520-264-23).
(b) If crack is found, aircraft is non-operational until mount is replaced.
Submit a CAT I DR to AMCOM, AMSAM-RD-AE-I-P-A.
(3) Check all four mounts at the exposed outboard ends by removing the flap shield
to visibly inspect the cavity drain hole for debris or plugged-up condition.
NOTE
S Do not use alcohol or MEK to clean mount cavity drain.
S Do not pour solvents into mount cavity drain.
(a) Clean cavity drain hole with compressed air (paragraph 1.47).
(4) Check four elastomeric mounts for exposed bare metal on visible edge of
rubber sandwiched in mount.
(a) If bare metal is found, touch up bare metal (paragraph 1.49).
f.
Paragraph 2.107.2. Add the following tool to the "Initial Setup Tools" list:
30 - 150 inch-pound 3/8-inch drive click type torque wrench (item 441, App H)
g. Paragraph 2.107.3.d. Add note as follows:
NOTE
S On aircraft modified with elastomeric mounts, the two vertical
stabilizer hydraulic line assemblies are installed with the 45
and 90 elbows at the back of the vertical stabilizer hard lines.
S On aircraft that have not been modified with elastomeric
mounts, the two vertical stabilizer hydraulic line assemblies are
installed with the 45 and 90 elbows at the bracket on the F.S.
547 frame.
h. Paragraph 2.107.3.i.(4). Add note as follows:
NOTE
S If tailboom has non-elastomeric mounts, perform steps (5) and
(8) through (9).
S If tailboom has elastomeric mounts, perform steps (6) through
(9).
5
Previous Page
