*TB 55-1520-238-20-24
DEPARTMENT OF THE ARMY TECHNICAL BULLETIN
NAVIGATION TAIL LIGHT WIRE HARNESS
INSPECTION/REWORK FOR AH-64A AIRCRAFT
Headquarters Department of the Army, Washington, D.C.
17 JULY 1988
Approved for public release; distribution is unlimited.
NOTE
THIS PUBLICATION IS EFFECTIVE UNTIL 17 JULY
1990 UNLESS SOONER RESCINDED OR SUPERSEDED.
1.
Summary. Field reports indicate a high failure rate for
the tail light wire harness (W154). Investigation has revealed
the over/under crimping of the 905 pins and vibration induced
failures.
2. Purpose. To provide to the field, instructions for the
inspection and rework, if required, of the navigation tail light
wire harness. The rework will strengthen the two wires which
have been breaking and causing tail light failure.
3.
Priority Classification.
ROUTINE.
a. Aircraft In Use. Upon receipt of this Technical
Bulletin, the condition status symbol of all affected aircraft
will be changed to a Red dash " - ". The Red dash " - " may be
cleared when the inspection of paragraph 10 is accomplished or
the rework of paragraph 11 is completed. The affected aircraft
shall be inspected no later than 30 days after receipt of this
Technical Bulletin. If wire harness W154 has heat shrink
sleeving installed no further action is required. If no heat
shrink sleeving is installed, the rework shall be completed
during the next scheduled phase Maintenance inspection.
b.
Aircraft in Depot Stock.
N/A.
Aircraft Undergoing Maintenance.
Same as paragraph 3a.
c.
d. Aircraft in Transit.
Same as paragraph 3a after
arrival at final destination.
*This publication supersedes, TB 55-1520-238-20-24, dated, 8 December 1987.
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