URGENT
TB 1--1520--240--20--146
DEPARTMENT OF THE ARMY TECHNICAL BULLETIN
INSPECTION
OF THE ROTARY WING HEAD TIE BAR ASSEMBLY
ON ALL
CH--47D, MH--47D AND MH--47E AIRCRAFT
Headquarters, Department of the Army, Washington, D. C.
29 March 2002
DISTRIBUTION STATEMENT A: Approved for public release; distribution is unlimited.
NOTE
THIS PUBLICATION IS EFFECTIVE UNTIL RESCINDED OR SUPERSEDED.
NOTE
This Technical Bulletin supercedes inspection and correction require-
ments of paragraphs 8b and 9a (Tie Bar Assembly) of CH-47-02-03 (TB
1-1520-240-20-141) for aircraft that have not already been inspected. Tie
Bars/Aircraft that passed inspection in accordance with CH-47-02-03 do
not require re--inspection. This Technical Bulletin provides revised in-
spection and correction procedures for the Tie Bar Assembly and pro-
vides additional TM changes in paragraph 12 the procedures relating to
the Rotor Tach in CH-47-02-03 (TB 1-1520-240-20-141) remain un-
changed.
Priority Classification.
Urgent
NOTE
In accordance with AR 95--1, paragraph 6-6A, MACOM Commanders
may authorize temporary exception from message requirements. Excep-
tion 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 entries on the DA Form
2408--13--1. 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 //.
(1) For all H-47 -- Enter a red horizontal dash //--// status symbol with the following statement:
"Inspect tie bar assemblies in accordance with CH-47-02-05 (TB 1-1520-240-20-146) no later than 27 March
2002."
This TB supersedes USAAMCOM Message 222110Z MAR 02 SOF CH-47-02-05
1