# SDR IPXA2M75542

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 26, 2012
- Submitted: September 28, 2012
- Operation: Air carrier
- Aircraft: [N278UP](https://openairdocs.org/aircraft/N278UP), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48577
- System (JASC): [2720 · Rudder Control System](https://openairdocs.org/jasc/2720)
- Part: Computer
- Part number: 4059021903
- Part serial: 94080403
- Condition: Inoperative
- Location: Rudder
- 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/IPXA2M75542

## Discrepancy

DIVERSION-ON CLIMB OUT "RUDDER STANDBY LOWER OFF" AND "RUDDER STANDBY UPPER OFF" ILLUMINATED.  CFDS SHOW UPR RUDDER STANDBY OFF AND LOWER RUDDER STANDBY OFF MESSAGE, TROUBLESHOT IAW FIM29-20-04-00, REPLACED HSC IAW AMM29-08-01, TEST OK.

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