URGENT
*TB 1-1520-238-30-20
DEPARTMENT OF THE ARMY TECHNICAL BULLETIN
IGB DIFFUSER REPAIR PROCEDURES FOR ALL
AH-64 SERIES AIRCRAFT
Headquarters, Department of the Army, Washington, D.C.
10 SEPTEMBER 2004
REPORTING ERRORS AND RECOMMENDING IMPROVEMENTS
You can help improve this publication. If you find any mistakes or if you know of a way to
improve the procedures, please let us know. Mail your letter or DA Form 2028 (Recommended
Changes to Publications and Blank Forms) directly to: Commander, US Army Aviation and
Missile Command, ATTN: AMSAM-MMC-MA-NP, Redstone Arsenal, AL 35898-5230. You
may also submit your recommended changes by E-Mail directly to 2028@redstone.army.mil
or by fax (256) 842-6546/DSN 788-6546. A reply will be furnished directly to you. Instruction
for sending an electronic 2028 may be found at the back of this publication.
DISTRIBUTION STATEMENT A: Approved for public release; distribution is unlimited.
NOTE
THIS PUBLICATION IS EFFECTIVE UNTIL RESCINDED OR SUPER-
SEDED.
1. PRIORITY CLASSIFICATION. ROUTINE.
1.1. Aircraft in Use. Normal. Upon receipt of this Technical Bulletin (TB), make the following entry on the DA
Form 2408--13--1. Enter a Red Horizontal Dash //----// with the following statement: "Inspection of all AH--64
aircraft for deficiencies of the IGB Diffuser and/or Tailboom Area underneath the diffuser IAW paragraph 13
due on or before the next 125--hour inspection." The red dash may be cleared when inspections in paragraph
13 are complete. Commanders unable to comply with the requirements of this TB within the time frame
specified will upgrade the affected aircraft status symbol to a red "X".
1.2. Aircraft in Depot or Contractor Facilities. Inspect DD 250 aircraft prior to those aircraft departing for ferry
to final destination.
1.3. Aircraft Undergoing Maintenance. Same as paragraph 1.1.
1.4. Aircraft in Transit. Same as paragraph 1.1.
1.5. Maintenance Trainers (Category A, B, and Others). Same as paragraph 1.1.
1.6. Spares. Not applicable.
1.7. Components in Stock. N/A.
2. TASK INSPECTION SUSPENSE DATE. Not Applicable.
3. REPORTING COMPLIANCE SUSPENSE DATE. Not Applicable.
*This TB supersedes TB 1-1520-238-30-20 datad 28 June 2004.
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