# SDR AALA2019062549055

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 22, 2019
- Submitted: June 25, 2019
- Operation: Air carrier
- Aircraft: [N809AA](https://openairdocs.org/aircraft/N809AA), registered now
- Make and model: Boeing 787-8
- Registry model: [Boeing 787-8](https://openairdocs.org/model/boeing-787-8) (OpenAirDocs)
- Aircraft serial: 40627
- Aircraft time: 15,434 hours, 1,744 cycles
- System (JASC): [3440 · Independent Position Determining System](https://openairdocs.org/jasc/3440)
- Part: Fault Message
- Condition: False Activation
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: B, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA2019062549055

## Discrepancy

AIRCRAFT NOT GROUNDED: CREW REPORTED THAT AFTER TAKEOFF THEY RECEIVED A RH ATTITUDE REFERENCE FAULT AND A RH IRU FAULT. THE CREW ELECTED TO RETURN TO CUN. MAINTENANCE  ACCOMPLISHED RESET OF BOTH RH ARU FAULT IAW 34-20-F1-26A-42A-A AND RH ATTITUDE REFERENCE PER 34-20-F1-98A-421A-A. PERFORMED FIM PMC -B787-81-205-A-8106-00. NO FAULT NOTED, NOT ACTIVE.

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