*TB 1-1520-237-20-188
URGENT
DEPARTMENT OF THE ARMY TECHNICAL BULLETIN
REPLACEMENT OF SPECIFIC SERIAL NUMBERED
MANUFACTURED TAIL ROTOR SERVO CYLINDER
ASSEMBLIES P/N 2227000-13 AND P/N 2227000-17
(ALL H-60 AIRCRAFT)
Headquarters, Department of the Army, Washington, D. C.
27 January 1997
DISTRIBUTION STATEMENT A: Approved for public release; distribution is unlimited.
NOTE
THIS PUBLICATION IS EFFECTIVE UNTIL RESCINDED OR SUPERSEDED.
1. Priority Classification.
a. Aircraft in Use. Upon receipt of this Technical Bulletin (TB), the condition status symbol of cited aircraft will be
changed to a red horizontal dash "_". The red horizontal dash a-n may be cleared when the inspection of paragraph 8
below is 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 applicable time frame will cause the status
symbol to be upgraded to a red "X'.
b. Aircraft in Depot Maintenance. Same as paragraph 1 a.
c. Aircraft Undergoing Maintenance. Same as paragraph 1 a.
d. Aircraft in Transit.
(1) Surface/Air Shipment. Same as paragraph 1 a.
(2) Ferry Status. Same as paragraph 1 a.
e. Maintenance Trainers (Category A and B). Same as paragraph 1 a.
f. Component/Parts in Stock Including War Reserves at All Levels (Depot and Others).
(1) Retail Stock Upon receipt of this TB all items listed in paragraphs 6 below shall be placed in condition
code "D" and retagged with a test/modification tag/label. Material (blue color) DD Form
*This TB supersedes USAATCOM Aviation Safety Action Message 102105Z, JAN 97, UH-60-97-ASAM-07.
1
