# SDR 2002UALA01642

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 31, 2002
- Submitted: November 12, 2002
- Operation: Air carrier
- Aircraft: [N837UA](https://openairdocs.org/aircraft/N837UA), registered now
- Make and model: Airbus A319-131
- Registry model: [Airbus A319-131](https://openairdocs.org/model/airbus-industrie-a319-131) (OpenAirDocs)
- Aircraft serial: 1474
- Aircraft time: 5,254 hours, 2,123 cycles
- Engine: Iae V2522A5
- System (JASC): [3441 · Inertial Guidance System](https://openairdocs.org/jasc/3441)
- Part: Iru
- Part number: HG2030AD09
- Part serial: 1014604
- Condition: Malfunctioned
- Location: Nr 1
- Stage of operation: CL
- 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/2002UALA01642

## Discrepancy

LOST CAPTAIN'S AIRSPEED TAPE INDICATION ON ROTATION.  REPLACED AIR DATA INERTIAL REFERENCE UNIT NR 1.  BUILT IN TEST EQUIPMENT CHECKED GOOD.

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