ROUTINE
TB 1-1520-238-23-1
DEPARTMENT OF THE ARMY TECHNICAL BULLETIN
ANNOUNCEMENT OF APPROVAL AND RELEASE OF
NONDESTRUCTIVE TEST EQUIPMENT
INSPECTION PROCEDURE MANUAL
TM 1-1520-264-23, TECHNICAL MANUAL AVIATION UNIT MAINTENANCE
(AVUM) AND AVIATION INTERMEDIATE MAINTENANCE (AVIM) MANUAL
NONDESTRUCTIVE INSPECTION PROCEDURES FOR
AH-64A HELICOPTER SERIES
Headquarters, Department of the Army, Washington, D. C.
1 MAY 1997
DISTRIBUTION STATEMENT A: Approved for public release; distribution is unlimited.
NOTE
THIS PUBLICATION IS EFFECTIVE UNTIL REFERENCES TO TM 1-1520-264-23, TECHNICAL
MANUAL AVIATION UNIT MAINTENANCE (AVUM) AND AVIATION INTERMEDIATE
MAINTENANCE (AVIM) MANUAL NONDESTRUCTIVE INSPECTION PROCEDURES FOR
AH-64A HELICOPTER, HAVE BEEN INCORPORATED INTO THE TM 1-1520-238-23,
AVIATION UNIT AND INTERMEDIATE MAINTENANCE MANUAL, HELICOPTER, ATTACK,
AH-64A APACHE.
1.
Priority Classification. Routine
2. Purpose. The purpose of this technical bulletin (TB) is to announce the approval and release of the nondestruc-
tive test equipment inspection procedure manual, TM 1-1520-264-23, Technical Manual Aviation Unit Maintenance
(AVUM) and Aviation Intermediate Maintenance (AVIM) Manual Nondestructive Inspection Procedures for AH-64A He-
licopter. This manual shall be referred to when performing inspections on the AH-64A aircraft.
3. Description. Approved nondestructive test inspection procedures are referenced in Table 1. Refer to TM
1-1520-264-23, Technical Manual Aviation Unit Maintenance (AVUM) and Aviation Intermediate Maintenance (AVIM)
Manual Nondestructive Inspection Procedures for AH-64A Helicopter, for safety information, part locations, inspection
method descriptions, and complete procedures. Do not attempt to perform any nondestructive test inspection without
first referring to TM 1-1520-264-23 as this TB does not provide adequate information to properly perform the inspec-
tions.
4. Now to Use. The columns in Table 1. Approved Nondestructive Test Inspection Components/Assemblies, are
defined as follows:
1
