TB 1--1520--238--20--94
DEPARTMENT OF THE ARMY TECHNICAL BULLETIN
INITIAL AND RECURRING INSPECTION OF BUCS
SERVOCYLINDERS FOR CORRECT ELECTRICAL
NULL, AH--64A AND AH--64D HELICOPTERS
Headquarters, Department of the Army, Washington, D. C.
14 May 1999
DISTRIBUTION STATEMENT A: Approved for public release; distribution is unlimited.
NOTE
THIS PUBLICATION IS EFFECTIVE UNTIL RESCINDED OR SUPERSEDED.
1.
Priority Classification See AR
95--1, Paragraph 6--6A for exception authority of
major commanders.
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 dash"//--//" The red dash"//--//" Entry shall state "initial inspection of BUCS
servocylinders for correct electrical null required, IAW TB 1--1520--238--20--94. The red dash"//--//" may be
cleared when the inspection of Para 8 is completed. The affected aircraft shall be inspected as soon as practi-
cal but no later than the task/inspection suspense date. Failure to comply with the requirements of this mes-
sage 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 issued until compliance with this TB has been
completed.
d. Aircraft in Transit.
(1) Surface/Air Shipment. Perform task/inspection within 10 hours or 14 days of arrival.
(2) Ferry Status. Inspect at final destination.
(b)Those aircraft that have a DD 250 and are at (Boeing) will be inspected prior to ferry to final
destination.
f. Component/Parts in Stock Including War Reserves at All Levels (Depot and Others). Upon receipt
of this TB the material condition tags of all items in all condition codes listed in paragraph 7 shall be annotated
to read "TB 1--1520--238--20--94 Inspection of BUCS Servocylinders for Correct Electrical Null not complied
with".
This TB supersedes USAAMCOM Safety of Flight Message 222003Z APR 99 (AH--64--99--02).
1