# Challenge Engineering & Testing: FAA repair station IW4R273M

- Type: FAA-certificated repair station (14 CFR Part 145)
- Certificate number: IW4R273M
- Designator: IW4R
- Name on the FAA list: CHALLENGE ENGINEERING & TESTING
- Address: 4234 HALLS MILL ROAD, MOBILE, AL 36693
- Accountable manager: BENEFIELD, THOMAS
- Liaison: WIGGINS, DAVID C., (251) 666-1435
- On the FAA list: On the list of October 26, 2026; listed since October 26, 2026 or earlier (OpenAirDocs’ first copy)
- Service difficulty reports filed: 0
- Source: FAA Find a Facility dashboard, https://www.faa.gov/av-info/facility-dashboard
- Page: https://openairdocs.org/faa-repair-station/IW4R273M/challenge-engineering-testing

The FAA writes names in capitals; the mixed case here is OpenAirDocs'. The dashboard has no certificate dates, and nothing on it shows whether a certificate is in good standing.

## Ratings

- Limited: Nondestructive testing (Nondestructive inspection, testing and processing)

A Limited class covers only the makes and models in the station's operations specifications (14 CFR 145.61), which the FAA doesn't publish.

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