# SDR 96ZZZX1556

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 29, 1996
- Submitted: March 26, 2000
- Operation: General aviation
- System (JASC): [3452 · ATC Transponder System](https://openairdocs.org/jasc/3452)
- Part: Transponder
- Part number: AT50
- Condition: Bogus Mod
- Location: Cavity
- Component: Narco
- Stage of operation: IN
- Nature of condition: W
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/96ZZZX1556

## Discrepancy

UNIT WAS INSPECTED AND FOUND TO HAVE AN UNAPPROVED MODIFICATION THAT ALLOWED INSTALLATION OF A 250W CAVITY.  THIS UNIT WAS DESIGNED FOR 125W ONLY.  THE UNIT WAS TAGGED AS SERVICEABLE.

---
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.
