ONE TIME VISUAL INSPECTION AND RECORDS CHECK OF THE UPPER BOOST ACTUATORS AND PULL TEST OF SWASHPLATE FOR ALL CH-47D, MH-47D, AND MH-47E AIRCRAFT

URGENT

*TB 1-1520-240-20-85

DEPARTMENT OF THE ARMY TECHNICAL BULLETIN

ONE TIME VISUAL INSPECTION AND RECORDS

CHECK OF THE UPPER BOOST ACTUATORS AND

PULL TEST OF SWASHPLATE

FOR

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

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

22 JULY 1996

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

NOTE

THIS PUBLICATION IS EFFECTIVE UNTIL RESCINDED OR SUPERSEDED.

1. Priority Classification - Urgent.

NOTE

See AR 95-3, paragraph 5-6a, for noncompliance 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 Horizontal Dash "-". The Red Horizontal Dash "-" may be cleared when

the inspection of paragraph 8, and the corrective procedures of paragraph 9 is completed. The affected air-

craft 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 will cause the status symbol to be upgraded to

a Red "X".

b. Aircraft in Depot Maintenance - Inspect and correct prior to issue. Actuators that indicate they were

overhauled, shall be replaced with new or overhauled actuators that have suffix 'N" behind the serial number.

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

d. Aircraft in Transit -

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

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

e. Maintenance Trainers (Category A and B) - Same as paragraph 1a.

*This TB supersedes USAATCOM Message 271541Z June 1996 (CH-47-96-ASAM-06)