TB
1-1520-237-20-205
b.
Estimated Time Required.
(1) Initial inspection. Total of 1.0 Man-hours using 1 person.
(2) Replacing each primary servo. Total of 3.5 Man-hours, each servo, using 1 person.
(3) Replacing each yaw boost, collective boost servo, or Tail Rotor Servo. Total of 3.5 Man-hours
each servo using 1 person.
c. Estimated Cost Impact to the Field. The following items may be required to replace discrepant para-
Total
Part Number
NSN
QTY
Cost Each
Nomenclature
3
,411.00
,041.00
274000-1031
Primary Servo Assy
1
,060.00
,060.00
Collective Boost
274600-1045
Servo Assy
274600-1047
1
,060.00
Yaw Boost Servo
,060.00
Assy
1
2227000-17
,153.00
,153.00
Trail Rotor Servo Assy
TOTAL COST PER AIRCRAFT= 9,487.00
d.
TB/MWOs to be applied prior to or concurrently with this inspection. N/A.
e.
Publications which require change as a result of the inspection. N/A.
13. References
a. TM 1-1520-237-23P.
b.
TM 1-1520-250-23P.
14. Recording and Reporting Requirements.
a. Reporting compliance suspense date (Aircraft). Upon entering requirements of this Technical Bulle-
tin on DA Form 2408-13-1 on all MDS aircraft, forward a priority message, datafax or E-Mail to Commander,
AMCOM, ATTN: AMSAM-SF-A (SOF Compliance Officer), Redstone Arsenal, AL 35898-5222, IAW AR
95-1. Datafax number is DSN 897-2111 or (205) 313-2111. E-MAIL address is "SAFEADM@redstone.ar-
my.mil". The report will cite this TB number, date of entry in DA Form 2408-13-1, the aircraft mission design
series and serial numbers of aircraft in numerical order.
b. Task/Inspection Reporting Suspense Date (Aircraft). Upon completion of inspection, units will for-
ward a prior TB to the Logistical POC identified in paragraph 16b. The report will cite this TB number, date
of inspection. Aircraft serial number, aircraft and component hours, and results of the inspection to include
cage code, serial number of each inspected servo assembly, and whether cleared, replaced, or deferred
Maintenance. Inspection and reports will be completed no later than 14 days after Task/Inspection suspense
date.
c.
Reporting Message Receipt (SPARES). N/A.
d.
Task/Inspection Reporting Suspense Date (SPARES).
(1) Materiel in Wholesale Depot Storage. Report compliance with this Technical Bulletin to the
wholesale materiel point of contact (SPARES) listed in paragraph 16c within 14 days of this TB on DA Form
1225. Provide the cost of compliance with this Technical Bulletin to include an estimate of the cost reimburs-
able funding required to move serviceable items on hand listed in paragraphs 6 to a work area, unpack the
materiel, repack the materiel after inspection by AMCOM inspectors, and to return the materiel to storage,
as appropriate. Report by original serviceable condition code, the quantity of materiel place in condition code
"J". include in the report a list of items inspected by serial number. Report by E-mail or datafax and provide
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