URGENT
TB 1--1520--240--20--141
DEPARTMENT OF THE ARMY TECHNICAL BULLETIN
INSPECTION OF THE ROTARY WING HEAD TIE BAR
ON ALL
CH--47D, MH--47D AND MH--47E AIRCRAFT
Headquarters, Department of the Army, Washington, D. C.
31 January 2002
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THIS PUBLICATION IS EFFECTIVE UNTIL RESCINDED OR SUPERSEDED.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 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-47-02-03 (TB 1-1520-240-20-141) prior to the next flight."
(2) For all H-47 -- Enter a circled red //X// status symbol with the following statement: "Aircraft
restricted to 111 percent transient rotor speed in accordance with CH-47-02-03 (TB 1-1520-240-20-141)."
(3) For H-47D and H-47F only -- Enter a red diagonal \/\ status symbol with the following state-
ment: "Rework all rotor tachometers in accordance with CH-47-02-03 (TB 1-1520-240-20-141) no later than
26 February 2002."
b. Aircraft in Maintenance Facility --
(2) Aircraft at Contractor Facility --Boeing will inspect DD250 aircraft prior to those aircraft depart-
ing for ferry to final destination.
This TB supersedes USAAMCOM Message 252045Z JAN 02 SOF CH-47-02-03
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