# SDR QXEA200601454

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 15, 2006
- Submitted: June 16, 2006
- Operation: Air carrier
- Aircraft: N364PH
- Make and model: Dhav DHC8202
- Aircraft serial: 524
- Aircraft time: 17,722 hours, 25,613 cycles
- System (JASC): [3425 · Integrated Flight System](https://openairdocs.org/jasc/3425)
- Part: Computer
- Part number: 7003360941
- Part serial: 96073598
- Condition: Malfunctioned
- Location: Nr 1
- Part time: 7,735 hours, 11,585 cycles
- 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/QXEA200601454

## Discrepancy

PDX - ON FLIGHT NUMBER 2141, RETURNED TO FIELD, HSI HEADING MISMATCH ON BOTH ADVISORY DISPLAYS.  THE CAPTAINS SLAVING METER WAS ALL THE WAY LEFT.  MAINTENANCE REMOVED AND REPLACED THE NR 1 AHRU AS A PRECAUTIONARY MEASURE.  NR 1 AHRU OPERATIONAL CHECK GOOD.  AIRCRAFT RETURNED TO SERVICE.

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