# SDR 9JLA2014061007291

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 3, 2014
- Submitted: June 10, 2014
- Operation: Air carrier
- Aircraft: N345HC
- Make and model: Beech 400A
- Registry model: [Beech 400A](https://openairdocs.org/model/hawker-beechcraft-400a) (OpenAirDocs)
- Aircraft serial: RK421
- Aircraft time: 4,053 hours, 3,467 cycles
- System (JASC): [3425 · Integrated Flight System](https://openairdocs.org/jasc/3425)
- Part: Ahrs
- Part number: 6229336400
- Part serial: 1650
- Condition: Defective
- Location: Nr 2
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/9JLA2014061007291

## Discrepancy

THE CREW REPORTED THAT DURING THE CLIMB AFTER TAKEOFF AT 28,000 FT THE COPILOTS AHRS SYS FAILED ALONG WITH THE AUTO PILOT SYS & YAW DAMPENER.  THE CREW DIVERTED & LANDED.  MX FOUND THE NR2 AHRS UNIT AS DEFECTIVE.  THE UNIT WAS REPLACED WITH AN OVERHAULED UNIT, FUNCTIONAL CHECKS WERE OK & THE ACFT WAS RETURNED TO SERVICE.

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