INSPECTION AND REPAIR OF AFT PYLON CLAMSHELL DOOR LOWER LATCH TO PRECLUDE WEAR AND/OR IN-FLIGHT LOSS OF DOORS FOR ALL CH-47D, MH-47D, AND MH-47E AIRCRAFT

URGENT

*TB 1-1520-240-20-89

DEPARTMENT OF THE ARMY TECHNICAL BULLETIN

INSPECTION AND REPAIR OF AFT PYLON

CLAMSHELL DOOR LOWER LATCH TO PRECLUDE

WEAR AND/OR IN-FLIGHT LOSS OF DOORS

FOR

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

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

30 September 1996

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

NOTE

THIS PUBLICATION IS EFFECTIVE UNTIL RESCINDED OR SUPERSEDED.

1. 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 correction procedures of

paragraph 9 below are 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 la.

d. 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.

*This TB supersedes USAATCOM Message 121316Z September 1996 (CH-47-96-ASAM-09)