ONE TIME INSPECTION FOR AND REPLACEMENT OF AN320-12 CASTELLATED NUTS MADE BY GREER STOP NUT INC FOR ALL CH-47D, MH-47D, AND MH-47E AIRCRAFT

URGENT

TB 1 - 1 5 2 0 - 2 4 0 - 2 0 - 9 3

DEPARTMENT OF THE ARMY TECHNICAL BULLETIN

ONE TIME INSPECTION FOR

AND REPLACEMENT OF AN320-12

CASTELLATED NUTS MADE BY

GREER STOP NUT INC

FOR

ALL CH-47D, MH-47D, AND MH-47E AIRCRAFT

Headquarters, Department of the Army, Washington, D. C.

27 March 1997

DISTRIBUTION STATEMENT A: Approved for public release; distribution is unlimited.

NOTE

THIS PUBLICATION IS EFFECTIVE UNTIL RESCINDED OR SUPERSEDED.

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 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 TB within

the time frame required will cause the status symbol to be upgraded to a red "X".

b. Aircraft in Depot Maintenance. Inspect and correct prior to issue. Aircraft shall not be issued until

compliance with this TB has been completed.

c. Aircraft Undergoing Maintenance. Same as paragraph 1a.

Aircraft in Transit.

(1) Surface/Air Shipment. Same as paragraph 1a.

(2) Ferry Status. Same as paragraph 1a.

e. Maintenance Trainers (Category A, B). Same as paragraph 1a above.

Component/Parts in Stock at All Levels (Depot and Others) Including War Reserves . Upon receipt

of this TB, the materiel condition tags of all items listed in paragraph 7 below in all condition codes shall be

annotated to read "TB 1-1520-240-20-93, One Time Inspection and Replacement of AN320-12 Castellated

Nuts Made by Greer Stop Nut Inc., must be complied with prior to issue."

This TB supersedes USAATCOM Message 131508Z MAR 97 (CH-47-97-ASAM-05)