URGENT
TB 1-1520-238-20-66
DEPARTMENT
OF
THE
ARMY
TECHNICAL
BULLETIN
INSPECTION FOR
PROPER OPERATION OF SHEAR PIN
ACTUATED DECOUPLER(SPAD)
MICROSWITCHES ON AH-64A HELICOPTERS
EQUIPPED WITH BACKUP CONTROL
SYSTEM (BUCS)
Headquarters, Department of the Army, Washington, D. C.
14 October 1995
DISTRIBUTION STATEMENT A: Approved for public release; distribution is unlimited.
NOTE
THIS PUBLICATION IS EFFECTIVE UNTIL SUBJECT AH-64A AIRCRAFT
HAVE BEEN INSPECTED, UNLESS SOONER RESCINDED OR
SUPERSEDED.
1. Priority Classification. URGENT
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 "x'' . The red "x", may be cleared when the inspection of paragraph 8 below
is completed. The affected aircraft shall be inspected in accordance with this TB at next phase inspection.
b. Aircraft in Depot Maintenance. Same as para 1.a.
c. Aircraft Undergoing Maintenance. Same as para 1.a.
d. Aircraft in Transit. Same as para 1.a.
(1) Surface/Air Shipment. Prior to first flight.
(2) Ferry Status. Inspect at final destination.
e. Maintenance Trainers (Category A, B). Same as para 1.a.
f. Component/Parts in Stock Including War Reserves at All Levels (Depot and Others). Same as
security as called out in this TB.
This TB replaces TB 1 -1520-238-20-45, dated 3 November 1992
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