Procedure Number

TB 1-1520-238-23-1

(1) Procedure Number: references the procedure number in TM 1-1520-264-23, Technical Manual Aviation Unit

Maintenance (AVUM) and Aviation Intermediate Maintenance (AVIM) Manual Nondestructive Inspection Procedures

for AH-64A Helicopter.

(2) Component/Assembly: provides the list of parts approved for nondestructive test inspections on the AH-64A air-

craft. Parts not listed have not been approved for nondestructive test inspection and shall be inspected as referenced

in TM 1-1520-238-23, Aviation Unit and Intermediate Maintenance Manual, Helicopter, Attack, AH-64A Apache.

(3) Inspect For: provides the approved manner of inspection. All other types of inspection shall be performed as refer-

enced in TM 1-1520-238-23, Aviation Unit and Intermediate Maintenance Manual, Helicopter, Attack, AH-64A

Apache.

(4) Maintenance Category: details the approved maintenance level for each nondestructive test inspection.

(5) Inspection Equipment Requirements: provides the approved nondestructive inspection method/equipment to

perform the inspection. Refer to Notes for the legend.

(6) Remarks: provides the approved backup method/equipment to perform the inspection. Refer to Notes for the leg-

end.

NOTE

Legend for the nondestructive inspection methods/equipment referenced in columns (5) and (6):

Fluorescent Penetrant Method

004

Ultrasonic Method

001

Magnetic Particle Method

005

Bond Testing Method

002

Eddy Current Method

006 Radiographic Method

003

Table 1. Approved Nondestructive Test Inspection Components/Assemblies.