# SDR 99ZZZX3397

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 16, 1999
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N407T](https://openairdocs.org/aircraft/N407T), registered now
- Make and model: Beech 95-C55
- Registry model: [Beech 95-C55](https://openairdocs.org/model/beech-95-c55) (OpenAirDocs)
- Aircraft serial: TE231
- System (JASC): [2210 · Autopilot System](https://openairdocs.org/jasc/2210)
- Part: Autopilot
- Part number: 5TEC
- Condition: Malfunctioned
- Location: Cockpit
- Stage of operation: NR
- Nature of condition: J
- Precautionary procedure: E
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/99ZZZX3397

## Discrepancy

WHILE IN HEADING MODE, AUTOPILOT WENT INTO A 30 DEGREE RIGHT TURN, UN-COMMANDED.  ALSO, THE DISCONNECT BUTTON HAD NO EFFECT (IT WOULD NOT DISCONNECT).  IT WAS NECESSARY TO SHUT OFF POWER TO APPROACH TO DISCONNECT CONTROL LOAD.

---
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.