# SDR RYN2008F00000

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 1, 2008
- Submitted: July 22, 2008
- Operation: Air carrier
- Aircraft: [N526NA](https://openairdocs.org/aircraft/N526NA), registered now
- Make and model: Boeing 757236
- Aircraft serial: 24794
- Engine: Rroyce RB211*
- System (JASC): [3460 · Flight Management Computing Hardware System](https://openairdocs.org/jasc/3460)
- Part: Computer
- Condition: Malfunctioned
- Location: Fcc
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/RYN2008F00000

## Discrepancy

AIR TURN BACK, DUE TO LOSS OF ALL 3 AUTO PILOTS AND THE CAPTAIN`S FLIGHT DIRECTOR, COULD NOT ENTER RVSM AIRSPACE.  RESET LT FCC AND ACCOMPLISHED TEST 2 AND 10 IAW AMM 22-30-00.  ALL CHECKED NORMAL. (K)

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