# STC SE00035EN - Type: Supplemental type certificate - Status: Current, Reissued - Holder: Pratt & Whitney, United States - Description: Installation of Pratt & Whitney (P&W) Global Material Solutions (GMS) CFM56-3 Low Pressure Turbine Module - Applied: August 31, 2006 - Status date: July 27, 2009 - Product: Engine - Certification basis: Part 21, Part 33 - Data sheets: [TCDS E21EU](https://openairdocs.org/tcds/E21EU), [TCDS E2GL](https://openairdocs.org/tcds/E2GL) - Certificate PDF: https://openairdocs.org/files/sha256/f7/d4/f7d45404cefcdbc2ca91d0cb51316d84886e60cd348826cf7e2c7760b3b18814 - Approved model list and other attachments: [SE00035EN_R2.pdf](https://openairdocs.org/files/sha256/71/3a/713aabc7ea7cda6e14da240b5346737a76999ad6ea7472d7915fcb9dd91de0f7) - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/C029047D83C2732F8625761500701940.0001 - DRS record last changed: December 5, 2025 - Page: https://openairdocs.org/stc/SE00035EN ## ADs that name it (0) None. ## Approved models (6) - CFM International S.A. CFM56-3 ([TCDS E21EU](https://openairdocs.org/tcds/E21EU)) - CFM International S.A. CFM56-3 ([TCDS E2GL](https://openairdocs.org/tcds/E2GL)) - CFM International S.A. CFM56-3B ([TCDS E21EU](https://openairdocs.org/tcds/E21EU)) - CFM International S.A. CFM56-3B ([TCDS E2GL](https://openairdocs.org/tcds/E2GL)) - CFM International S.A. CFM56-3C ([TCDS E21EU](https://openairdocs.org/tcds/E21EU)) - CFM International S.A. CFM56-3C ([TCDS E2GL](https://openairdocs.org/tcds/E2GL)) ## 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. FAA Form 8110-2-1(10-69) Page 2 OF 2 Number SE00035EN Date reissued: July 27, 2009 (Continued from page 1 of 2) 3. This STC should not be installed on engines of this model (CFM56-3) on which other previously approved modifications are incorporated, including other STC’s, unless it is determined by the installer, in accordance with Pratt & Whitney GMS Service Bulletin PWGMS 72-4, original issue dated June 2, 2008, or later FAA-approved revision, that the interrelationship between this change and any other previously approved modifications will produce no adverse effect upon the airworthiness of the product. Certification Basis: Based on 14 CFR § § 21.115 amendment 77 and 21.101 amendment 90, and FAA Order 8110.48, this modification is determined to be a not-significant change. The certification basis for the CFM International CFM56-3 series engine as follows: Regulations at the amendment 33-0 through 33-6 except as noted: 33.4(A-9), 33.5(A-9), 33.7(A-10), 33.14(A-10), 33.27(A-10), 33.88(A-18) Equivalent Level of Safety findings have been made fir the following regulation(s): 14 CFR § 33.27 (a) and (c) Turbine, compressor, fan, and turbosupercharger rotors, documented in ELOS Memo #8040-ELOS-08-NE-06. - - END - - ### SE00035EN_R2.pdf United States Of America Department of Transportation - Federal Aviation Administration Supplemental Type Certificate ________________________________________________________________________________________________________________________________ Any alteration of this certificate is punishable by a fine of not exceeding $1,000, or imprisonment not exceeding 3 years, or both. _____________________________________________________________________________________________________________________________________ FAA Form 8110-2(10-68) This certificate may be transferred in accordance with FAR 21.47. Page 1 of 2 Number SE00035EN This Certificate issued to: Pratt & Whitney 400 Main Street. East Hartford, CT 06108 certifies that the change in the type design for the following product with the limitations and conditions therefor as specified hereon meets the airworthiness requirements of Part 33 of the Federal Aviation Regulations. Original Product Type Certificate Number : Description of Type Design Change: Installation of Pratt & Whitney (P&W) Global Material Solutions (GMS) CFM56-3 Low Pressure Turbine Module in accordance with P&W GMS Drawing List 880500-01E dated May 6, 2008 or later FAA-approved revision. Limitations and Conditions: 1. Life Limits for Parts approved by this Supplemental Type Certificate are published in P&W GMS Engine manual Airworthiness Limitation Section, Pratt & Whitney GMS CFM56-3 STC Engine Manual Document, Part Number PW9325M80-1, Revision 1, dated April 15, 2008, or later FAA-approved revision. 2. Instructions for Continued Airworthiness (ICA), Pratt & Whitney GMS CFM56-3 STC Engine Manual Document, Part Number PW9325M80-1, Revision 1, dated April 15, 2008, or later FAA accepted revision must be made available to the operator at the time of installation. (Continued on page 2 of 2) If the holder agrees to permit another person to use this certificate to alter the product, the holder shall give the other person written evidence of that permission. This certificate and the supporting data which is the basis for approval shall remain in effect until .surrendered, revoked, or a termination date is other wise established by the Administrator of the Federal Aviation Administration. E2GL, E21EU Make : CFM INTERNATIONAL (CFMI) Model : CFM56-3, -3B, -3C Date of application August 31, 2006 Date of issuance : May 6, 2008 Date reissued: June 12, 2008 July 27, 2009 Date amended: By direction of the Administrator _______________________________________________________ (Signature) Thomas A. Boudreau Manager, Engine Certification Office _______________________________________________________ ( Title) ## Every issue (2) - July 27, 2009: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/f7/d4/f7d45404cefcdbc2ca91d0cb51316d84886e60cd348826cf7e2c7760b3b18814), [SE00035EN_R2.pdf](https://openairdocs.org/files/sha256/71/3a/713aabc7ea7cda6e14da240b5346737a76999ad6ea7472d7915fcb9dd91de0f7) - May 6, 2008: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/fc/0b/fc0bddb7e9b9808d784935dd14fc8d3f567ef53019311ea59b184240386f3270), [SE00035EN.pdf](https://openairdocs.org/files/sha256/2d/fc/2dfcab6293b1d06401ff40b9460a4d1bb10abdb33f8185bbb4f64d99fbc7510a) --- 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.