# SDR CA990715001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 29, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Make and model: Bell 204-B
- Registry model: [Bell 204-B](https://openairdocs.org/model/bell-204-b) (OpenAirDocs)
- Engine: Lyc T5313B
- System (JASC): [3422 · Directional Gyro and Indicating System](https://openairdocs.org/jasc/3422)
- Part: Gyro
- Part number: 200DC
- Condition: Damaged
- Location: Cockpit Dg
- Stage of operation: CR
- Nature of condition: B
- Precautionary procedure: H
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA990715001

## Discrepancy

(CAN) FOLLOWING INSTALLATION OF NEWLY OVERHAULED DIRECTIONAL GYRO, THE PILOT REPORTED A SMOKE SMELL AND FLAG ON THE DIRECTIONAL GYRO SWUNG ON/OFF.  THE DIRECTIONAL GYRO CIRCUIT BREAKER WAS PULLED WHICH RECTIFIED THE PROBLEM.

---
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.