# STC ST00019LB-D - Type: Supplemental type certificate - Status: Current, Reissued - Holder: United Airlines Inc, United States - Description: Install ribbon heaters on potable water lines located in the aft cargo pit. The installation consists of interconnecting wiring, circuit breakers and placards. This modification was accomplished in accordance with United Air Lines, DAS-1-WE, Approved Master Drawing List No. 00019 dated November 5, 1997, or later FAA approved revisions. - Applied: October 29, 1997 - Status date: November 30, 2011 - Product: Aircraft, Large Multi-Engine - Certification basis: Part 21, Part 25 - Data sheets: [TCDS A22WE](https://openairdocs.org/tcds/A22WE) - Certificate PDF: https://openairdocs.org/files/sha256/1b/7c/1b7cfb02e024381a9698f87135f98b45c505d3221ffca65753e1d5b6b4ef0805 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/59667AB8E88E39748625799500772868.0001 - DRS record last changed: December 5, 2025 - Page: https://openairdocs.org/stc/ST00019LB-D ## ADs that name it (0) None. ## Approved models (1) - The Boeing Company DC-10-10 ([TCDS A22WE](https://openairdocs.org/tcds/A22WE)) ## 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. This Certificate issued to United Air Lines, Inc. 600 Jefferson Street Houston, Texas 77002 Part 25 of the Federal Aviation Regulations. See Type Certificate Data Sheet A22WE for Special Conditions. A22WE Boeing DC-10-10 series Description of Type Design Change : Install ribbon heaters on potable water lines located in the aft cargo pit. The installation consists of interconnecting wiring, circuit breakers and placards. This modification was accomplished in accordance with United Air Lines, DAS-1-WE, Approved Master Drawing List No. 00019 dated November 5, 1997, or later FAA approved revisions. Limitations and Conditions: This approval should not extended to ot her aircraft of this model on which other previously approved modifications are incorporat ed unless it is determined by the installer that the interrelationship between this cha nge and any of those other previ ously approved modifications will introduce no adverse effect upon the airworthiness of th at aircraft. This determination should include consideration of significant changes in weight dist ribution such as an increase in the fixed disposable weight in the fuselage. If the holder agrees to perm it 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, suspended, revoked or a termination date is otherwise established by the Administrator of the Federal Aviation Administration. Date of application: October 29, 1997 Date of issuance: November 5, 1997 Date reissued: November 30, 2011 ( Signature) Haifa Haj-Eid Supervisor, Technical & Administrative Support Staff, Los Angeles Aircraft Certification Office ( Title) NOTE: **DO NOT DELETE THIS PAGE.** **DO NOT ADD ANY DATA TO THIS PAGE.** **THIS PAGE IS FOR PAGE NUMBERING PURPOSES, PLEASE DISCARD PRINTED COPY.** ## Every issue (1) - November 30, 2011: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/1b/7c/1b7cfb02e024381a9698f87135f98b45c505d3221ffca65753e1d5b6b4ef0805) --- 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.