# MCAI-2025-00021-T; ATR – GIE Avions de Transport Régional Models ATR42 and ATR72 airplanes; pressure regulator and shut-off valve (PRSOV) functional test

> **FAA** · Rulemaking · Modified 2025-12-09T21:15:53Z

## Docket
- **Docket ID:** FAA-2025-2259
- **Agency:** FAA
- **Type:** Rulemaking
- **Last modified:** 2025-12-09T21:15:53Z

## Source
- [regulations.gov docket](https://www.regulations.gov/docket/FAA-2025-2259)
- [Public comments](https://www.regulations.gov/docket/FAA-2025-2259/comments)

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