Summary of the Problem. - TB-1-1520-237-20-2030002

TB 1-1520-237-20-203

(2) Retail Stock. Upon receipt of this Technical Bulletin Commanders and others maintaining re-

tail stock at installation level and below shall contact the supported Aviation Unit to perform the inspection

required by paragraph 8 and the correction procedures of paragraph 9 on discrepant materiel. Disposition

of discrepant materiel will be IAW paragraph 10. Report compliance with this Technical Bulletin IAW para-

graph 14d(2).

Task/lnspection Suspense Date. Within next 10 flight hours/14 days.

3. Reporting Compliance Suspense Date. No later than 30 May 1998 per paragraph 14a of this Techni-

cal Bulletin,

Summary of the Problem.

a. During the inspection of installed retail and stock as required by message UH-60-98-ASAM-05,

Tek precision manufacuted parts (cage Code 65780) were found that had the original part number P/N

70400-08110-054) scratched out and a new part number (70400-08110-061) written in. These parts do not

include any structural change to the link and must be treated just like the -054 Swashplaate Link that was

the subject of UH-60-98-ASAM-03.

b. The Swashplate Link, P/N 70400-08110-054, manufactured bt TEK (cage code 65780) recently

completed required engineering testing. The results indicate that the part does not conform to and, as such,

must be removed from service NLT 30 June 1999.

For manpower/downtime and funding impacts, see paragraph 12.

d. The purpose of this Technical Bulletin is to direct removal of all Swashplate Links

70400-08110-054/-061) (cage code 65780), IAW paragraph 9.

End Items to be inspected. All H-60 Aircraft.

Assembly Components to be Inspected.

PART NUMBER

NOMENCLATURE

70104-08000-043

Swashplate Assembly

70104-08000-045

Swashplate Assembly

70104-08009-049

Swashplate Assembly

70104-08000-052

Swashplate Assembly

Parts to be Inspected.

PART NUMBER

NATIONAL STOCK NUMBER

NOMENCLATURE

3040-01-197-1746

70400-08110-054

Swashplate Link

70400-08110-061

3040-01-285-3018

Swasholate Link

8. Inspection Procedures. Verify visually that the Swashplate Link, P/N 70400-08110-054/-061, with

manufactures Cage Code 65780 is installed. Either or both the manufactures Cage Code (65780) and an

engraving or stamp showing "Tek 4" or "Tek 9" will be found in the center of the barrel (shaft) of the Swashplate

Link. If any of these markings are found then the Swashplate Links are defective and must be removed IAW

paragraph 9. If the specified Swashplate Link is not identified, the inspection is complete (Report per para-

graph 14b). Correct IAW paragraph 9.

9. Correction Procedures. Remove on or before 30 June 1999, all Swashplate Links manufactured by

Tek, Cage 65780, P/N 70400-08110-054/-061.

10. Supply/Parts and Disposition.

a. Parts Required. Replacement parts for those cited in paragraph 7 may be required. Order P/N

70400-08110-061, NSN 3040-01-285-3018.