# SDR CA150817014

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 15, 2015
- Submitted: April 22, 2016
- Operation: General aviation
- Make and model: Bombdr DHC8400
- Aircraft time: 1,516 hours
- Engine: Pwc PW150A
- System (JASC): [3425 · Integrated Flight System](https://openairdocs.org/jasc/3425)
- Part: Ahrs
- Part number: 2615001230501
- Condition: Failed
- Part time: 280 hours
- Stage of operation: CR
- 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/CA150817014

## Discrepancy

(CAN) DURING CRUISE, AUTOPILOT DISENGAGED, ELEVATOR FEEL CAUTION AS WELL AS ATT FAIL, HDG FAIL, CUE, IVSI FAIL DISPLAYED ON PFD NR 2 AND MFD NR 2. CHANGING EFIS ADC SOURCE DID NOT CORRECT INDICATIONS. PAN DECLARED. CDS INTERROGATED FOR PREVIOUS LEG FAULTS AND "NO DATA FROM AHRS 2" WAS LOGGED.  NR 2 ATTITUDE HEADING REFERENCE UNIT WAS REPLACED BY MAINTENANCE AND TESTED SERVICEABLE. THE AHRU HAD BEEN INSTALLED SINCE NEW AIRCRAFT DELIVERY. THE AIRCRAFT WAS SUBSEQUENTLY RELEASED FOR SERVICE.

---
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.