ROUTINE
TB 1-2840-248-20-3
DEPARTMENT OF THE ARMY TECHNICAL BULLETIN
YELLOW AND BLUE WIRE HARNESS INSULATION
RESISTANCE CHECK FOR ALL AH-64A AIRCRAFT
WITH T700-GE-701 ENGINES
Headquarters, Department of the Army, Washington, D.C.
30 December 1994
DISTRIBUTION STATMENT A: Approved for public release; distribution is unlimited.
NOTE
THIS PUBLICATION IS EFFECTIVE UNTIL SUBJECT AIRCRAFT HAS BEEN INSPECTED
UNLESS SOONER RESCINDED OR SUSPENDED.
1. Priority Classification. ROUTINE.
a. Aircraft in Use. Upon receipt of this Technical Bulletin (TB) the condition status symbol of the cited aircraft will
be changed to a red horizontal dash "-". The red horizontal dash "-" may be cleared when the inspection of paragraph 8
below is completed. The affected aircraft shall be inspected as soon as practical but no later than the task/inspection
suspense date. Failure to comply with the requirements of this Technical Bulletin within the time frame will cause the
status symbol to be upgraded to a red "X".
b. Aircraft in Depot Maintenance. Aircraft will not be issued until compliance with this TB has been completed.
c. Aircraft Undergoing Maintenance. Aircraft will not be released until compliance with this TB has been completed.
d. Aircraft in Transit.
(1) Surface/Air Shipment. At next phase inspection (250 hours).
(2) Ferry Status. Same as paragraph 1 .a. Those aircraft that have a DD Form 250, Materiel Inspection and
Receiving Report, and are at McDonnell Douglas Helicopter Systems (MDHS) will be inspected prior to ferry to final
destination.
e. Maintenance trainers (Category A, B and C). Same as paragraph 1.a.
f. Component/Parts in Stock including War Reserves at all levels (Depot and others). Not applicable.
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