# STC SE91WE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Boeing Company, United States
- Description: Removal of General Electric 'EGT cable and conduit assembly,' P/N9037M17P03 or 9037M17P04, and replacement with Co-Operative Industries P/N 66615.
- Applied: April 14, 1977
- Status date: November 29, 2010
- Product: Engine
- Certification basis: Part 21
- Data sheets: [TCDS E23EA](https://openairdocs.org/tcds/E23EA)
- Certificate PDF: https://openairdocs.org/files/sha256/0a/ac/0aacadb74114ceb6f1e158ace62ac9dff887b4307bd9333cfb1b34a87a321714
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/BF135E0F2D9C863D862577EC0068F682.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SE91WE

## ADs that name it (0)

None.

## Approved models (5)

- General Electric Aircraft Engines CF6-50A ([TCDS E23EA](https://openairdocs.org/tcds/E23EA))
- General Electric Aircraft Engines CF6-50C ([TCDS E23EA](https://openairdocs.org/tcds/E23EA))
- General Electric Aircraft Engines CF6-50C1 ([TCDS E23EA](https://openairdocs.org/tcds/E23EA))
- General Electric Aircraft Engines CF6-6D ([TCDS E23EA](https://openairdocs.org/tcds/E23EA))
- General Electric Aircraft Engines CF6-6D1 ([TCDS E23EA](https://openairdocs.org/tcds/E23EA))

## What the certificate says

Read from the PDF's text layer, without the form's printed wording; the layout is lost and the order can differ. The PDF is the record.

;i'lnilcb ~jlIlc5 <Bfc-i\mcriclI JElcpnrtmcnt of 'illrnnsportntiol1 - J1fcocrnl c-~&tnttol1J\omtntstrntion The Boeing Company 4000 Lakewood Boulevard Long Beach, California 90808 fJ//rftrJ d// de rk//';f'" VI de Wbr a/>J&/l?/' t'k,/f.a;.f/lW~ /t/'N,(tH/ (N//! t'h' k//I-W//U'/Id a/bf£('('/I,k4~'/I~ t'k",'ry::(, aJ oj/N"'ik'r// k/w"1 //N',('£J de aV'<'f",,,,t'kt-rJJ /'r[7((&/'r/'bf'/0 (/':;;//',1,1,)' (//k' ,r]7;.,kn.<//;;(,'{~/U;"/I .MryNht'u"/J .

E23EA General Electric Company CF6-6D, -6Dl, -50A, -50C, -SOCI !,0rJUYb/U'N '/~br q;r';~f//l '(j';{;//';f't'.' Removal of General Electric "EGT Cable and Conduit Assemblv:" Part No. 9037M 17P03 or 9037M17P04, and replacement with Co-operative Industries Part No. 66615, Rev. A, in accordance with Douglas Aircraft Installation Drawing No. WZZ7530, Revision "B", or later FAA approved revision.

SCv,utoA/v/J o/b//'1f~/bf£t/U'/w The approval of this change in type design applies basically to the General Electric engine models listed herein and should not be extended to other specific engines of these models on which other previously approved modifications are incorporated unless it has been determined that the interrelationship between this change and any of those previously approved modifications will introduce no adverse effect upon the airworthiness of that engine. If the holder agrees to permit another person to use this certificate to alter their engine, the holder shall give the other person written evidence of that permISSIOn.

.~ r:rdtjlfc,L/f'. o/wz! ,!h;,J(//YWY'/v';f' t:kLt'a f/,k/' ;; t'k CaJ':-)?/' o/f/'w'('f'a!;;,{;L!t/'f'//bf/VI t/t- #d f//tt'd JIN'/'Wbfb/'f'd JI/'Yt-r/bfb,£. /wv.,,{;,d',,/. (/. /r/'/'/U/I///VVI' ,k/'t'f'.;; r,den/l/,jr rJ/a/t:;;hy/o/-;;? ~a?/bVti;'!/'IC;/r,/' ,/I:.tt .!h/k/.(/.t./bI-'v//uvl- ./4J&/H/ti;/nz/uvI<' April 14, 1977 August I, 1978 9Jr/./r,/'I'b;JINY/ September 7, 2010, November 29,2010 .,,*,~.";M "/"*.~~~~ ~igllalUre) Supervisor, Technical and Administrative Support Staff Los Angeles Aircraft Certification Office (Title) fln) a[teration of tfiis certificate is punislia6fe 6y a fine of not e.>(!eeifillg$1,000, or imprisollment Ilot e.>(!eelfi1lfJ3 years, or 60tfi.

The FAA will reissue the certificate in the name of the transferee and forward it to him,

TRANSFER ENDORSEMENT Transfer the ownership of the Supplemental Type Certificate Number _ to (JVameof transferee) _ (Jlaaressoftransfer) _ (JVum6eramI street) (City, State, and'Zip cod'e) from (']fameofgrantor)(Pn'nt or type) _ (Jlaaressofgrantor) (JVum6erand'street) (City, State, and'ZIp cod'e) Extent of Authority (if licensing agreement): _ Date of Transfer: _ Signature of grantor (In ink): _ Page 2 of 2

## Every issue (1)

- November 29, 2010: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/0a/ac/0aacadb74114ceb6f1e158ace62ac9dff887b4307bd9333cfb1b34a87a321714)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
