TB 1--1520--237--20--227
c.
Estimated cost impact to the field.
NOMENCLATURE
PART NO./NSN
QTY
COST EACH
TOTAL COST
Drag Beam/Axle Assy
70250--12105--043
2
,055.00
,110.00
1620--01--207--7482
Nut, Self--Locking
MS21245L12
2
.03
.06
5310--00--419--0876
Packing with Retainer
NAS1523C12Y
4
||content||
.22
.88
5330--01--227--0458
Total Cost Per End Item -- ,124.94
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 this message. A copy of this message shall be inserted in the appropriate TM as author-
ity to implement the change until the changes to the following TMs are received:
(1) Add to TM 1--1520--237--10, 29 May 1998, paragraphs 8.14.f and 8.20.f, Check Drag Beam.
(2) Add paragraph 8b, Inspection, to TM 1--1520--237--23--1, Para 1.7.14.
(3) Change TM 1--1520--237--23--3, 29 May 1998, para 3--4--5.1.3, change 4, to read
(a) Change step d to read -- Install new nut on jackpad. Torque to 540--600 inch pounds
(45--50 foot pounds).
(b) Add step h as follows -- Apply torque stripe to the jackpad retention nut (para 2--6--5).
(4) Change TM 1--1520--237--23, para 1--7--17.2.2, and TM 1--1520--250--23, para 1.45.15.2.2,
add new steps as follows--
(a) Check the jackpad retention nut for the presence and alignment of a torque stripe.
(b) During each 90 day corrosion prevention inspection cover the sealant with corrosion pre-
vention compound.
(5) TM 1--1520--237--PMS--2, para 2.5, add new step as follows -- Check the jackpad retention
nut for the presence and alignment of a torque stripe.
(6) Add to TM 1--1520--250--10, 28 Jul 00, Change 6, para 8--13.g and para 8--19.g -- Check drag
beam.
(7) Add paragraph 8b, Inspection, to TM 1--1520--250--23--1, 28 Jul 00, para 1--7--14, and TM
1--1520--250--23, para 1.45.14.
(8) Change TM 1--1520--250--23, 28 Jul 00, para 3.1.6.3, as follows --
(a) Step d to read -- Install new nut on jackpad. Torque nut 540--600 inch pounds (45--50 foot
pounds).
(b) Add new step h to read -- Apply torque stripe to the jackpad retention nut (para 2--6--6).
(9) TM 1--1520--250--PMS--1, para 2.20, and TM 1--1520--250--PMS--1, para 2.19, add new step
as follows -- Check the jackpad retention nut for the presence and alignment of a torque stripe.
(10)TM 1--1520--250--PMS--2, 28 Jul 00, step 2.8, add new step as follows -- Check the jackpad
retention nut for the presence and alignment of a torque stripe.
(11) Add to TM 1--1520--253--10, 29 Jan 99, para 8.13.1.f and 8.19.2.e-- Check drag beam.
(12)Add to TM 1--1520--269--10, 30 Jul 99, Change 2, para 8.13.1.e and 8.19.2.f -- Check Drag
Beam.
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