# SDR CA120709008

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 6, 2012
- Submitted: September 14, 2015
- Operation: General aviation
- Make and model: Piper PA-31-325
- Registry model: [Piper PA-31-325](https://openairdocs.org/model/piper-pa-31-325) (OpenAirDocs)
- Engine: Lyc LTIO540J2BD
- Propeller: Hartzl HCE3YR2A
- System (JASC): [3420 · Attitude and Direction Data System](https://openairdocs.org/jasc/3420)
- Part: Hsi
- Condition: Faulty
- Stage of operation: CL
- How discovered: O
- Nature of condition: F
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA120709008

## Discrepancy

(CAN) ON A ROUTINE FLIGHT, THE PILOT NOTICED ON THE CLIMBOUT THAT THE CO-PILOT ATTITUDE INDICATOR (ADI) WAS SLOW TO ERRECT AND LAZEY.  MAINTENANCE REPLACED THE HSI, HORIZ SITUATION INDICATOR, AND GROUND FUNCTION CHECKED THE SYS SERVICABLE.

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