AH-64, CAPTIVE BORESIGHT HARMONIZATION KIT (CBHK), P/N 7-362300003-603

URGENT

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.

NOTE

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RESCINDED OR SUPERSEDED.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