# SDR USAABA08020

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 20, 2008
- Submitted: July 22, 2008
- Operation: Air carrier
- Aircraft: N275AY
- Make and model: Airbus A330-323
- Registry model: [Airbus A330-323](https://openairdocs.org/model/airbus-a330-323) (OpenAirDocs)
- Aircraft serial: 0370
- System (JASC): [3441 · Inertial Guidance System](https://openairdocs.org/jasc/3441)
- Part: Adiru
- Condition: Malfunctioned
- Location: Nr 3
- Stage of operation: CR
- 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/USAABA08020

## Discrepancy

MAN FLT 735 EN ROUTE MAN TO PHL.  THE FLIGHT HAD AN ADIRU 3 FAILURE PRIOR TO ETOPS AIRSPACE, PREVENTING ETOPS OPERATIONS.  THE FLIGHT RETURNED TO FIELD MAN, AND LANDED WITHOUT FURTHER INCIDENT.  MAINTENANCE SWAPPED ADIRU 3 WITH ADIRU 2, AND PLACED ADIRU 2 ON MEL.  (S)

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