Table 1. Approved Nondestructive Test Inspection Components/Assemblies.

TB 1-1520-237-23-1

(1) Procedure Number: references the procedure number in TM 1-1520-265-23, Technical Manual Aviation Unit

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

H-60 Helicopter Series.

(2) Component/Assembly: provides the list of parts approved for nondestructive test inspections on the H-60

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

in TM 1-1520-237-23, Technical Manual, Aviation Unit and Intermediate Maintenance for Army Models UH-60A, UH-60L,

and EH-60A Helicopters.

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

referenced in TM 1-1520-237-23, Technical Manual, Aviation Unit and Intermediate Maintenance for Army Models UH-

60A, UH-60L, and EH-60A Helicopters.

(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

legend.

NOTE

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

001 Fluorescent Penetrant Method

004

Ultrasonic Method

002 Magnetic Particle Method

005

Bond Testing Method

003 Eddy Current Method

006

Radiographic Method

Table 1. Approved Nondestructive Test Inspection Components/Assemblies.

(1)

(2)

(3)

(4)

(5)

(6)

INSPECTION

PROCEDURE

COMPONENT/ASSEMBLY

INSPECT

MAINTENANCE CATEGORY

REMARKS

NUMBER

FOR

EQUIPMENT

AVUM

AVIM

DEPOT

REQUIRE

MENTS -

2.2

Split Cones

Cracks

001

2.3

Ferrous Rotor System

Cracks

002

Bolts and Pins

2.4

Nonferrous Rotor

Cracks

001

System Bolts and Pins

2.5

Main Rotor Shaft Nut

Cracks

002

2.6

Main Rotor Hub

Cracks

003

Backup

001

2.7

Spindle

Cracks

003

2.8

Antiflap Bracket

Cracks

003

2.9

Droop Stop Support

Cracks

003

Ring Nut

2.10

Balance Weight Bracket

Cracks

002

2.11

Spindle Horn

Cracks

003

Backup

001

2.12

Droop Stop Cam

Cracks

003

2.13

Damper Assembly

Cracks

003

2.14

Pitch Control Rods

Cracks

003

Backup

001

2.15

Rotating Swashplate

Cracks

003

Backup

001

2.16

Lower Link

Cracks

003

Backup

001