TM 55-2840-254-23
2-65
INSPECT AIR INLET HOUSING ASSEMBLY
2-65
INITIAL SETUP
Materials:
Applicable Configurations:
None
All
Personnel Required:
Tools:
68B10 Aircraft Powerplant Repairer
Technical Inspection Tool Kit,
References:
NSN 5180-00-323-5114
Task 1-92
Task 1-119
NOTE
If there is foreign object damage (FOD),
look for more FOD throughout engine.
Perform a FOD inspection (Ref. Task 1-
92).
1.
Inspect air inlet housing assembly (1), using
strong light beam.
a.
There shall be no cracks or FOD.
b.
There shall be no paint damage.
c.
Corrosion shall be treated using touch-up
procedure for magnesium and magnesium
alloys (Ref. Task 1- 119).
(1)
Visually inspect inlet housing for
corrosion.
(2)
A cumulative total of 8 inches of
missing material as measured around
the flange circumference is allowed.
(3)
Individual defects shall not exceed 4
inches in length.
(4)
Individual defects must be separated
by a minimum of 1 inch of unaffected
material.
(5)
If within preceding limits, repair as
outlined in Task 1-119.
(6)
Any number of random minor corroded
areas
not
exceeding
0.25
inch
diameter are acceptable with repair.
(7)
One
single
corroded
area
is
acceptable after repair provided the
area does not exceed 4 inches in
length, 1.375 inches in width and
0.070 inch in depth at deepest point.
(8)
Forward
engine
to
overhaul
if
preceding limits are exceeded.
(9)
If within preceding limits repair as out-
lined in Task 1-119.
GO TO NEXT PAGE
2-498 Change 6
