# SDR FDEA201009233654

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 23, 2010
- Submitted: September 24, 2010
- Operation: Air carrier
- Aircraft: N417FE
- Make and model: Airbus A310-222
- Registry model: [Airbus A310-222](https://openairdocs.org/model/airbus-industrie-a310-222) (OpenAirDocs)
- Aircraft serial: 333
- Aircraft time: 45,080 hours, 22,782 cycles
- System (JASC): [3443 · Doppler System](https://openairdocs.org/jasc/3443)
- Part: Iru
- Part number: HG1050BD07
- Part serial: 030800
- Condition: Malfunctioned
- Location: Zone 100
- Stage of operation: TO
- How discovered: O
- Nature of condition: O
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/FDEA201009233654

## Discrepancy

NR 1 IRS FAULT ON TAKEOFF.  RELEASED FOR SERVICE IAW MEL: 34-25-01  CATEGORY: C EXPIRATION: 03OCT10  SWAPPED NR1 AND NR3 IRU, REF AMM 34-25-34-04 AND NR1  SYS TEST IAW AMM 34-25-00-05, PLACED NR3 POSITION  ON DEFERRED IAW MEL.  "MEL 34-25-01: IRU NR 3 - INOP.

---
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.