# SDR AALA20060311

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 18, 2005
- Submitted: May 26, 2006
- Operation: Air carrier
- Aircraft: [N9615W](https://openairdocs.org/aircraft/N9615W), registered now
- Make and model: Doug DC-9-83
- Registry model: [Doug DC-9-83](https://openairdocs.org/model/douglas-dc-9-83) (OpenAirDocs)
- Aircraft serial: 53562
- System (JASC): [3444 · Ground Proximity System](https://openairdocs.org/jasc/3444)
- Part: Iru
- Part number: HG1103BA01
- Condition: Inoperative
- Stage of operation: CR
- How discovered: V
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA20060311

## Discrepancy

LAS - LOST BOTH INERTIAL REFERENCE UNITS EN ROUTE TO ORD.  LANDED LAS WITHOUT INCIDENT.  REPLACED BOTH INERTIAL REFERENCE UNITS AND CONTROL PANEL.  SYSTEM GROUND CHECKED NORMAL OPERATION.

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