MANDATORY INSPECTION OF FORWARD YOKE SHAFT, PART NUMBER 145C3051--1 FOR CORROSION, ON ALL CH--47D, MH--47D AND MH--47E AIRCRAFT

URGENT

TB 1-1520-240-20-128

DEPARTMENT OF THE ARMY TECHNICAL BULLETIN

MANDATORY INSPECTION OF

FORWARD YOKE SHAFT, PART NUMBER 145C3051--1

FOR CORROSION,

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

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

5 October 2000

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

NOTE

THIS PUBLICATION IS EFFECTIVE UNTIL RESCINDED OR SUPERSEDED.

Priority Classification.

Urgent

NOTE

In accordance with AR 95--1, paragraph 6--6A, MACOM Commanders

may authorize temporary exception from ASAM message requirements.

Exception may only occur when combat operations or matter of life or

death in civil disasters or other emergencies are so urgent that they

override the consequences of continued aircraft operation.

a. Aircraft in Use. Upon receipt of this Technical Bulletin, make the following entry on the DA Form

2408--13--1. Enter a red horizontal dash // -- // status symbol with the following statement: "Inspect forward

yoke shaft in accordance with CH--47--00--ASAM--08 (TB 1--1520--240--20--128) within the next 10 flight

hours, but no later than 13 OCT 00." Clear the red horizontal dash // -- // entry when the procedures in accor-

dance with paragraphs 8 and 9 are completed. The affected aircraft shall be inspected as soon as practical

but no later than 13 OCT 00. Commanders who are unable to comply with the requirements of this Technical

Bulletin within the time frame specified will upgrade the affected aircraft status symbol to a red // X //.

b. Aircraft in Depot Maintenance.

Depot Commanders will not issue aircraft until they are in com-

pliance with this Technical Bulletin.

c. Aircraft Undergoing Maintenance. Commanders and Facility Managers will not issue aircraft until

they are in compliance with this Technical Bulletin.

Aircraft in Transit.

(1) Surface/Air Shipment. Inspect at final destination within 10 flight hours or 14 days of arrival.

This TB supersedes USAAMCOM Message 281332Z SEP 00 CH--47--00--ASAM--08.