# SDR QXEA200400160

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 16, 2004
- Submitted: February 19, 2004
- Operation: Air carrier
- Aircraft: N354PH
- Make and model: Dhav DHC8202
- Aircraft serial: 498
- Aircraft time: 14,615 hours, 21,000 cycles
- System (JASC): [3425 · Integrated Flight System](https://openairdocs.org/jasc/3425)
- Part: Ahrs
- Part number: 7003360941
- Part serial: 97023735
- Condition: Malfunctioned
- Location: E/E Bay
- Part time: 13,768 hours, 19,712 cycles
- Stage of operation: UK
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/QXEA200400160

## Discrepancy

PDX - ON FLIGHT 2126 HSI HEADING MISMATCH ON ADVISORY DISPLAY.  PER CHECKLIST RESETS OK BUT REAPPEARS.  REMOVED AND REPLACED NR 1 AHRU.  OPERATIONAL CHECKS GOOD.  AIRCRAFT RETURNED TO 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.