TB 1--1520--237--20--263
(2) Adjust the pin as necessary IAW TM 1--1520--237--23, paragraph 5--3--9.1.
(3) If the pin can not be adjusted IAW TM 1--1520--237--23, paragraph 5--3--9.1, correct IAW para-
c. If no discrepancies are noted during the inspection of the spindles or expandable pins, the inspection
is complete and the Red Horizontal Dash //--// may be cleared from the DA Form 2408--13--1. Report results
d. The recurring inspections of each main rotor spindle will occur as follows:
(1) The inspection procedures IAW paragraph 8a of this message will be completed every 10
flight hours/14 days. ULLS--A units will use the inspection number A20 for this special inspection.
Correction Procedures. If
any discrepancies are noted during the inspections IAW paragraph 8:
a. Immediately replace the spindle assembly, main rotor blade assembly, and the main rotor expansion
c. Submit CAT I QDR. In addition to identifying the discrepancy, include the serial number (SN), time
since new (TSN), and time since last installed (TSLI) for the following components in block 22 of the QDR.
(1) Spindle Assembly.
(2) Main Rotor Blade.
(3) Main Rotor Blade Cuff.
(4) Main Rotor Expandable Pin.
10. Supply/Parts and Disposition.
a. Parts Required. The following items may be required to replace defective items.
PART NO.
NSN
NOMENCLATURE
Spindle Assembly
70102--08200--069
1615--01--442--6926
Main Rotor Blade Assembly
70150--09100--043
1615--01--106--1903
Main Rotor Expansion Pin
70103--08107--102
5315--01--329--0707
b. Requisitioning Instructions. Requisition replacement parts using normal supply procedures. All req-
uisitions shall use Project Code (CC 57--59) "XDI" (XRAY--DELTA--INDIA).
NOTE
Project Code "XDI" is required to track and establish a data base of stock fund expenditures
incurred by the field as a result of SOF actions.
c.
Bulk and Consumable Materials. N/A.
d. Disposition. Hold any discrepant part/component pending disposition instruction from the logistical
e. Disposition of Hazardous Material. IAW Environmental Protection Agency directives as implement-
ed by your servicing environment coordinator (AR 200--1).
11. Special Tools, Jigs and Fixtures Required. N/A.
a. Category of Maintenance. AVUM. Aircraft downtime will be charged to AVUM maintenance. Report
aircraft non--mission capable (NMCM) while undergoing inspection and correction IAW this message.
b. Estimated Time Required.
4