TB 1-1 520-238-20-92
DEPARTMENT OF THE ARMY TECHNICAL BULLETIN
AH-64, CAPTIVE BORESIGHT HARMONIZATION KIT
(CBHK), P/N 7-362300003-603
Headquarters, Department of the Army, Washington, D.C.
21 AUGUST 1998
DISTRIBUTION STATEMENT A: Approved for public release; distribution is unlimited.
THIS PUBLICATION IS EFFECTIVE UNTIL 30 SEPTEMBER 1998 UNLESS SOONER
RESCINDED OR SUPERSEDED.
1. Priority Classification. URGENT.
a. CBHKs, P/N 7-362300003-603 in use. The affected CBHKs shall be inspected as soon as practical
but no later than the Task/lnspection suspense date.
b. CBHKs, P/N 7-362300003-603 in Depot Maintenance. N/A.
c. CBHKs, P/N 7-362300003-603 undergoing maintenance. Same as paragraph 1.a.
d. CBHKs in transit. N/A.
e. Maintenance Trainers. (Category A, and B). N/A.
f. Component/Parts in Stock Including War Reserves at all Levels (depot and Others). N/A.
2. Task/Inspection Suspense Date . A one-time CBHK P/N 7-362300003-603 self-check on or before 30 September
1998. Recurring self-checks prior to each use of the CBHK will still be required per reference 13.a.
3. Reporting Compliance Suspense Date . 30 September 1998 per paragraph 14.a. of this Technical Bulletin.
4. Summary of Problem.
Presently the Government is investigating an issue regarding the 7-362300003-603 Captive Boresight
Harmonization Kit (CBHK) that could potentially affect the CBHK equipment accuracy. The self-check
procedure required in this TB will provide confidence in the integrity of the CBHK
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