# SDR CA100730001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 24, 2010
- Submitted: January 4, 2011
- Operation: Air carrier
- Make and model: Piper PA-31
- Registry model: [Piper PA-31](https://openairdocs.org/model/piper-pa-31) (OpenAirDocs)
- Aircraft time: 11,851 hours
- Engine: Lyc TIO540A2C
- Propeller: Hartzl HCE3YR2A
- System (JASC): [3421 · Attitude Gyro and Indicating System](https://openairdocs.org/jasc/3421)
- Part: Gyro
- Part number: 235010616
- Condition: Failed
- Location: Attitude
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA100730001

## Discrepancy

THE GYRO HORIZON FAILED ON FIRST FLIGHT AFTER INSTALLATION.  IT TOPPLES TO 90 DEGREES DURING A 20 DEGREE BANK.

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