TB 1-1520-237-20-162
a materiel condition tag/label Suspended (Brown Tag) DD Form 1575 or Label DD Form 1575-1. The remarks block
must reference inspection required per this TB. Upon completion of the required inspection, items will be retagged either
serviceable (Yellow Tag) DD Form 1574 or unserviceable/reparable (Green Tag) DD Form 1577-2, dependent upon the
results of the inspection.
NOTE
Depots that do not have the capability to inspect the subject assemblies in accordance with
this TB, contact the logistical point of contact. Do not issue until this TB has been complied
with and you have been notified which assemblies are serviceable.
2.
Task/inspection Suspense Date.
a. Component Records Inspection (Paragraph 8). Within 10 hours/14 days from receipt of superseded message
UH-60-95-SOF-01 or receipt of this TB, whichever is received first.
b. Ultrasonic Inspection (Paragraph 9.a). No later than 31 March 1995.
c. Tail Rotor Gearbox Replacement (Paragraph 9.b). No later than 31 December 1995.
3.
Reporting Compliance Suspense Date. No later than 16 December 1994 per paragraph 14.a. of this TB.
4.
Summary of the Problem.
a. This TB rescinds UH-60-94-ASAM-05 (TB 1-1520-237-20-152). Message UH-60-95-SOF-01 (TB 1-1520-237-20-
162) has been issued as a SOF rather than an ASAM to ensure the appropriate level of command attention in completing
the required actions expeditiously. Tail gearboxes with output shafts, P/N 70358-06620-101, are being removed from
fielded aircraft to allow rework of the output shaft. UH-60-94-ASAM-05 initiated a program which removed tail gearboxes
based on the output shaft usage time. This program was scheduled to take approximately four years to complete. This
program has been revised to allow for a one-time inspection to insure tail gearboxes are removed from service if
required, and to allow for timely replacement of tail gearboxes (with gearboxes being provided at no charge to the unit)
by contractor teams. The new plan requires: (1) Record inspection (Paragraph 8).
(2) Performance of a one-time ultrasonic inspection of all P/N 70358-06620-101 output shafts by contractor
(3) Mandatory replacement of all tail gearboxes containing -101 output shafts by contractor/Army teams by 31
Tail gearboxes are not to be removed in accordance with UH-60-94-ASAM-05 (TB 1-1520-237-20-152). If a valid
requisition has been submitted per the ASAM, and the gearbox has not, repeat, not been turned into supply, it should be
canceled by the requesting unit immediately. A gearbox must be in the possession of the unit to execute a one-for-one
exchange. If the requisition is not canceled, it will be filled as soon as assets are available and the unit will be required to
pay for the item. If a gearbox has been turned into supply, do not cancel the requisition. It will be filled as soon as
assets are available and the unit will be required to pay for the item.
c. The purpose of this TB is to: (1) Perform a records check (Paragraph 8).
(2) Perform a one-time ultrasonic inspection of all P/N 70358-06620-101 output shafts by 31 March
2