URGENT
*TB 1-1520-237-20-232
DEPARTMENT OF THE ARMY TECHNICAL BULLETIN
SAFETY OF FLIGHT
TECHNICAL, RCS CSGLD-1860 (R1),
ALL H-60 SERIES AIRCRAFT,
INSPECTION OF MAIN ROTOR
FLIGHT CONTROL SELF LOCKING BOLTS
Headquarters, Department of the Army, Washington, D. C.
18 June 2001
DISTRIBUTION STATEMENT A: Approved for public release; distribution is unlimited.
Priority Classification. URGENT
NOTE
IAW AR 95-1, para 6-6a/6-14a, MACOM Commanders may authorize temporary exception
from SOF message requirements. Exception may only occur when combat operations or mat-
ter 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 TB make the following entry on the DA Form 2408-13-1. Enter
a Red Horizontal Dash //-// status symbol with the following statement: "Inspect Main Rotor Flight Control
Self Locking Bolts IAW TB 1-1520-237-20-232 NLT 12 June 2001." Clear the Red Horizontal Dash //-// entry
when the procedures of para 8 and 9 are complete. Commanders who are unable to comply with the require-
ments of this TB within the time frame specified will upgrade the affected aircraft status symbol to a Red //X//.
b. Aircraft in Maintenance.
(1) Aircraft in AVUM, AVIM or depot level maintenance . Same as paragraph 1.a..
(2) Aircraft at Contractor Facility. NA.
* This TB supersedes USAAMCOM Aviation Safety of Flight Message (SOF), 291300ZMAY01, UH-60-01-07
and 011800ZJUN01, UH-60-01-08.
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