# SDR ZZDA2009075

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 22, 2009
- Submitted: March 3, 2009
- Operation: Air carrier
- Aircraft: [N942AT](https://openairdocs.org/aircraft/N942AT), registered now
- Make and model: Boeing 717-200
- Registry model: [Boeing 717-200](https://openairdocs.org/model/boeing-717-200) (OpenAirDocs)
- Aircraft serial: 55005
- System (JASC): [3441 · Inertial Guidance System](https://openairdocs.org/jasc/3441)
- Part: Adiru
- Part number: HG2080AC01
- Part serial: 01034980
- Condition: Inoperative
- Location: E&E Bay
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ZZDA2009075

## Discrepancy

NUMEROUS LEVEL 1 & 2 ALERTS LOSS OF APS, FLIGHT DIRECTORS, ALTITUDE ALERTS RUDDER LIMITER AIRSPEED VARIATIONS OF UP TO 50 KNOTS.  REMOVED AND REPLACED NR 1 ADIRU DUE TO INOP COOLING FAN.  NR 1 ADIRU CHECKS GOOD REF MM 34-43.  REMOVED AND REPLACED CAPT'S PITOT ADM REF MM 34-11.  OK FOR SERVICE.  RVSM STATUS MAINTAINED.

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