# SDR SWAA002263

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 7, 2000
- Submitted: November 9, 2000
- Operation: Air carrier
- Aircraft: N603SW
- Make and model: Boeing 737-3H4
- Registry model: [Boeing 737-3H4](https://openairdocs.org/model/boeing-737-3h4) (OpenAirDocs)
- Aircraft serial: 27954
- Aircraft time: 19,061 hours, 17,110 cycles
- System (JASC): [3441 · Inertial Guidance System](https://openairdocs.org/jasc/3441)
- Part: Module
- Part number: 6937321
- Condition: Failed
- Location: Cockpit
- Stage of operation: CR
- 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/SWAA002263

## Discrepancy

DIVERSION, DURING CRUISE HAD DUAL IRS FAILURE.  DIVERTED TO CRT.  REMOVED AND REPLACED R4 RELAY, ELEC MTR, BATTERY AND GALLEY POWER MODULE PER MM.

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