# SDR A6WA201140797

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 4, 2011
- Submitted: September 23, 2011
- Operation: Air carrier
- Aircraft: [N438AW](https://openairdocs.org/aircraft/N438AW), registered now
- Make and model: Cndair CL6002B19
- Aircraft serial: 7748
- Aircraft time: 20,222 hours, 20,276 cycles
- System (JASC): [3421 · Attitude Gyro and Indicating System](https://openairdocs.org/jasc/3421)
- Part: Computer
- Part number: 6229336400
- Part serial: 12BWT
- Condition: Failed
- Location: Ahrs
- Stage of operation: CL
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/A6WA201140797

## Discrepancy

AHRS NR 1 FAILED IN FLIGHT.  COMPLIED WITH QRH SWITCHED TO AHRS NR 2.  R & R NR1 AHRS IAW AMM 34-21-01.  OPS CHECK GOOD.

---
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.