# SDR USAA950219

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 8, 1995
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N891US
- Make and model: Fokker F.28 MK 0100
- Registry model: [Fokker F.28 MK 0100](https://openairdocs.org/model/fokker-f-28-mk-0100) (OpenAirDocs)
- Aircraft serial: 11366
- System (JASC): [3441 · Inertial Guidance System](https://openairdocs.org/jasc/3441)
- Part: Iru
- Part number: HG1050AD05
- Condition: Failed
- Location: Nr 1
- Part time: 22,510 hours
- Stage of operation: CL
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAA950219

## Discrepancy

CLT - FLT 1112 - FLIGHT RETURNED TO GATE WITH A COMPASS PROBLEM WHICH MAINTENANCE FIXED.  FLIGHT PROCEEDED AGAIN AND AFTER TAKEOFF, THE NR 1 UNIT FAILED AGAIN.  CREW DECIDED TO RETURN TO CLT.  MAINTENANCE REPLACED THE NR 1 IRU.  OPERATIONS CHECKED GOOD.  (X)

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