URGENT
*TB1-1520-237-20-212
DEPARTMENT OF THE ARMY TECHNICAL BULLETIN
ONE TIME INSPECTION OF
MAIN ROTOR HUB ASSEMBLY
ALL H-60 AIRCRAFT
Headquarters, Department of the Army, Washington, D. C.
5 April 1999
DISTRIBUTION STATEMENT A: Approved for public release; distribution is unlimited.
NOTE
THIS PUBLICATION IS EFFECTIVE UNTIL RESCINDED OR SUPERSEDED.
Priority Classification. Urgent
1.
Aircraft in Use. Upon receipt of this Technical Bulletin (TB) the condition status symbol of the cited
a.
aircraft will be changed to a red horizontal dash // - //. The red horizontal dash // - // may be cleared when
the inspection of paragraph 8 below is completed. The affected aircraft shall be inspected as soon as possible
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. Same as paragraph 1 .a. Aircraft will not be issued until compliance
with this TB has been completed.
c. Aircraft Undergoing Maintenance. Same as paragraph 1 .a.
d. Aircraft in Transit.
(1) Surface/Air Shipment. Prior to first flight or within 14 days of arrival.
(2) Ferry Status. Inspect at final destination.
e. Maintenance Trainers (Category A, and B). Same as paragraph 1 .a.
1. Component/Parts in Stock at All Levels (Depot and Others) Including War Reserves. Upon receipt
of this TB, the material condition tags of all items in all condition codes listed in paragraph 6 shall be annotated
to read UH-60-99-07 Main Rotor Hub Inspection not complied with.
(1) Wholesale Stock. Upon receipt of this message all serviceable items (condition codes "A",
"B", "C", "D", and "E"), identified in paragraph 6, located in wholesale depot storage shall be placed in condition
code "J" and tagged with a suspended tag/label-materiel, DD Form 1575/DD Form 1575-1. Do not remove
original condition tags. Report compliance with this TB in accordance with paragraph 14.d.(1).
(2) Retail Stock. Upon receipt of this TB Commanders and others maintaining retail stock at
installation level and below shall contact the supported Aviation Unit to perform the inspection required by
*This TB supersedes USAAMCOM Aviation Safety Action Message 111827Z MAR 99, UH-60-99-ASAM-07
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