# STC SA3922SW-D

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: American Airlines Inc, United States
- Description: Install floor proximity emergency path markings
- Applied: March 4, 1986
- Status date: February 26, 1987
- Product: Aircraft, Large Airplane
- Certification basis: Part 21, Part 25
- Data sheets: [TCDS A3WE](https://openairdocs.org/tcds/A3WE)
- Certificate PDF: https://openairdocs.org/files/sha256/c4/53/c453cefdb9c2fddbb66ac159db78fa3fd1f137238e88631a3a603328305209f8
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/2A677B93B613F82086257DEA0059FE3C.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA3922SW-D

## ADs that name it (0)

None.

## Approved models (1)

- The Boeing Company 727-200 Series ([TCDS A3WE](https://openairdocs.org/tcds/A3WE))

## 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.

ttiritrd £tatu of amtnca Bepartmcnt of transportation— federal atriation administration Supplemental t^pc Certificate ' American Airlines, Inc.

Maintenance & Engineering CenterTulsa, Oklahome, 74151 n f<^ ^fa fe/tt^^ny Sw*^ a4aiiwn4<n&^<Ja*J ^H s^J&cJ^ \\j\~\ Av 1 3 1 i 0 n » -/l£a4tca£**n£ .

C^vatnat ^J&ocutof —— •^^L^'^i^i^^c^i^^/ut^rvv«^^^1"^- g Airplane Co.

-223, -227, -2A7 Install floor proximity emergency path markings in compliance with FAR Amendments 25-58 and 121-183 per ECO H3040A. Amend STC by adding minor revisions introduced by ECO H3040B through H3040E and by replacing floor proximity lighting control module ind altering wiring per ECO H3040F.

This approval should not be incorporated in any aircraft of this specific model on which other approved modifications are incorporated unless it is determined that interrelationship between this change and any of those previously incorporatedapproved modifications will introduce no adverse effect upon the airworthiness of the aircraft.

''^^^J^^^a^^^^>r•J^^^^v^Ml/^A^^/l^n^a^ln/^n/^ax^Jua^M^

•da£&*b.

QL&.^sW&xU**,: 3/4/86 3/6/86 Sla&^n**^: 2*26-87 A. P. Voeller (Signature) DAS-1SW Coordinator(TitU)

This certificate may bt trantftmd in accordant* with FAR 21.47.

FAA taut S110-2 (10-63)

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (Address of transferee) (Number and street) (City, Slate, and <7/> code) from (Name of grantor) (Print or type) (Address of grantor) (Number and street) (City, State, and £IP code) Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

## Every issue (1)

- February 26, 1987: Amended, Current. [certificate](https://openairdocs.org/files/sha256/c4/53/c453cefdb9c2fddbb66ac159db78fa3fd1f137238e88631a3a603328305209f8)

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