TB 1--1520--240--20--144
d. Disposition. Contact the Logistics point of contact listed at paragraph 16 for disposition instructions.
e. Disposition of Hazardous Material. N/A.
11. Special Tools and Fixtures Required. As
required.
a. Category of Maintenance. AVUM. Aircraft downtime will be charged to AVUM. Report aircraft non-
mission capable maintenance (NMCM) while undergoing inspection and correction in accordance with this
Technical Bulletin. Report aircraft non-mission capable supply (NMCS) while waiting for parts in accordance
with this Technical Bulletin.
b. Estimated Time Required-
(1) Time to complete inspection --
(a) Total of 2 man-hours using 2 persons.
(b) Total of 1 hour downtime for one end item.
(2) Time for replacement of nuts (assuming all 36 nuts require replacement) --
(a) Total of 6 man-hours using 2 persons.
(b) Total of 3 hours downtime for one end item.
(3) Time for replacement of damaged stationary swashplate --
(a) Total of 60 man-hours using 5 persons.
(b) Total of 12 hours downtime for one end item.
c. Estimated Cost Impact to the Field.
NOMENCLATURE PART NUMBER/
QUANTITY
COST EACH
TOTAL $
NSN
NUT, SELF-LOCK- FN22M-624
36
||content||
.51
.36
ING
5310-01-184-0354
SWASHPLATE
145R3551-19
1
3,245.00
3.245.00
ASSY. FWD
1615-01-473-4376
SWASHPLATE
145R3551-20
1
3,245.00
3,245.00
ASSY. AFT
1615-01-475-9838
(If all nuts and swashplate replaced) TOTAL COST: 6,544.36
d. TB/MWOs to be Applied Prior to or Concurrently with this Inspection. N/A.
e. Publications Which Require Change as a result of this Inspection -- The following publications shall
be changed to reflect thisTechnical Bulletin. A copy of this Technical Bulletin shall be inserted in the appro-
priaate TM as authority to implement the change until the printed change is received.
(1) TM 55-1520-240-23, Aviation Unit and Aviation Intermediate Maintenance Manual, CH-47D
Helicopter --
(a) Task 5-126.1, page 5-450.4.2, remove "Epoxy Primer (E292)" from the Materials List.
(b) Task 5-126.1, page 5-450.4.4, Remove the WARNING from paragraph 7.
(c) Task 5-1126.1, page 5-450.4.4, paragraph 8, remove the following: "Wet with epoxy prim-
er (E292)".
(d) Task 5-126.1, page 5-450.4.4, in paragraphs 8 and 10, change "285 inch-pounds" to
"350-380 inch-pounds".
5