# SDR MALA050285

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 21, 2005
- Submitted: March 21, 2005
- Operation: Air carrier
- Aircraft: N457XJ
- Make and model: Saab 340B
- Registry model: [Saab 340B](https://openairdocs.org/model/saab-340b) (OpenAirDocs)
- Aircraft serial: 340B457
- Aircraft time: 14,805 hours, 15,837 cycles
- System (JASC): [3420 · Attitude and Direction Data System](https://openairdocs.org/jasc/3420)
- Part: Indicator
- Part number: H341ADM
- Part serial: 5117
- Condition: Malfunctioned
- Location: Cockpit
- Stage of operation: CL
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/MALA050285

## Discrepancy

SHORTLY AFTER TAKEOFF FROM MSP THE GYRO FOR THE STANDBY HORIZON TUMBLED.  REPLACED STANDBY HORIZON P/N ON/OFF H341ADM2.  S/N ON 5329.  S/N OFF 5117.

---
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.
