# SDR 2011FA0000546

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 10, 2011
- Submitted: August 26, 2011
- Operation: General aviation
- Aircraft: N115BB
- Make and model: Cessna 525
- Registry model: [Cessna 525](https://openairdocs.org/model/cessna-525) (OpenAirDocs)
- Aircraft serial: 5250325
- Engine: Wilint FJ44
- System (JASC): [3423 · Magnetic Compass](https://openairdocs.org/jasc/3423)
- Part: Bearing
- Part number: 060001501
- Part serial: 42601
- Condition: Noisy
- Location: Nr 2 Gyro
- Part time: 70 hours
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2011FA0000546

## Discrepancy

NR 2 COMPASS SYS PRECESSING.  ON INITIAL POWER ON NR 2 GYRO (KG-102A)  BEARINGS SOUND NORMAL.  15 MINUTES LATER BEARINGS SOUND LIKE GRAVEL.

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