# SDR USAA2009122493423

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 23, 2009
- Submitted: December 24, 2009
- Operation: Air carrier
- Aircraft: [N185UW](https://openairdocs.org/aircraft/N185UW), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 1666
- Aircraft time: 28,595 hours, 10,191 cycles
- System (JASC): [3441 · Inertial Guidance System](https://openairdocs.org/jasc/3441)
- Part: Iru
- Part number: 46502003030316
- Part serial: 1613
- Condition: Inoperative
- Location: Nr 3
- Part time: 36,223 hours, 15,638 cycles
- Stage of operation: CL
- How discovered: O
- Nature of condition: G, J
- Precautionary procedure: B
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAA2009122493423

## Discrepancy

FLT 797 - PHL-LAX - EMERGENCY LANDING - MULTIPLE WARNING DURING CLIMBOUT.  LOST NR 2 AND NR 3 INERTIAL REFERENCES, ALL AUTOMATION, FLIGHT DIRECTOR, AND AUTO THRUST.  REMOVED AND REPLACED NR 3 ADIRU PER AMM 34-12-34-000-001.  PERFORMED SATISFACTORY LAND CAPABILITY TEST.

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