TB 1--1520--210--20--46
9.
a. Those blades which pass the inspections in paragraph 8.c and 8.d may remain in service up to the
temporary retirement life of 1500 hours. A DA Form 2410 (all three copies, copy 1 for the removal, copy 2
for the inspection, and copy 3 for the installation) shall be submitted to AMCOM for each recurring 75 hour
special inspection.
(1) ULLS--A users will make an entry in the revised component TBO (RCT) file for each serial
numbered blade passing the inspection in para 8.c above, to increase the retirement life to 1500 hrs.
(2) The RCT file may be modified by following the menu structure under production processes
-- master files maintenance -- add/modify/delete -- revised component TBO and then adding a record. If users
have questions or require assistance call Mr. Al Burleson, DSN 746--4468 or commercial (256) 876--4468.
b. Remove from service and dispose of IAW normal procedures any tail rotor blade that reaches the
temporary retirement life of 1500 hours, or any blade over 1200 hours that fails either the recurring 50 hour
inspection, recurring 75 hour inspection (paragraph 8.c) or the recurring daily inspection (paragraph 8.d).
c. Annotate the DA Form 2408--18 (ULLS--A units will use two of their 800 inspection numbers) with
the following special inspection requirement --
(1) 50 hour special T/R blade inspection.
(2) 75 hour special T/R blade inspection.
a. Parts Required. Items cited in paragraph 7 may be required to replace defective items.
b. Requisitioning Instructions. Requisition replacement parts using normal supply procedures.
Requisitions for unserviceable blades with less than 1200 hours shall use a project code of "AOG". Requisi-
tions for blades which have reached the 1200 hour life shall use the project code (cc 57--59) "XF4" (X--RAY--
FOXTROT--FOUR).
NOTE
Project code "XF4", "X--RAY--FOXTROT--FOUR" is required to track and
establish a data base of stock fund expenditures incurred by the field as a
result of ASAM/TB actions.
c. Bulk and Consumable Materials. N/A.
d. Disposition. Demilitarize/mutilate IAW TM 1--1500--328--23 any part/component which does not
meet inspection criteria.
e. Distribution of Hazardous Material. N/A.
11. Special Tools, Jigs and Fixtures Required. N/A.
a. Category of Maintenance. AVUM. Aircraft downtime will be charged to AVUM.
b. Estimated Time Required.
(1) Total of .5 man--hours using 1 person for records inspection.
(2) Total of .5 hours downtime for one end item.
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