# SDR CA120627011

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 22, 2012
- Submitted: September 14, 2015
- Operation: General aviation
- Make and model: Bombdr DHC8400
- Engine: Pwc PW150A
- Propeller: Rotol CR4086123F17
- System (JASC): [3420 · Attitude and Direction Data System](https://openairdocs.org/jasc/3420)
- Part: Ahrs
- Part number: 42000332501
- Condition: Failed
- Location: Nr 1
- Part time: 8,672 hours
- 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/CA120627011

## Discrepancy

(CAN) MULTIPLE FAILURE MESSAGES ON PFD 1.  PFD1 MON FAIL ON ED.  AFCS FAIL ON PFD1. CAS INSTRUMENTS ALL HAVE RED FLAGS.  MAINTENANCE REPLACED THE NR 1 AHRS.

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