# SDR IPXA2014082784076

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 23, 2014
- Submitted: August 27, 2014
- Operation: Air carrier
- Aircraft: [N284UP](https://openairdocs.org/aircraft/N284UP), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48541
- System (JASC): [2210 · Autopilot System](https://openairdocs.org/jasc/2210)
- Part: Autopilot Sys
- Condition: Malfunctioned
- Stage of operation: CL
- How discovered: O
- Nature of condition: F
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2014082784076

## Discrepancy

AUTOPILOT WOULD MAKE ERRATIC PITCH CHANGES DOWN IN CLIMB UP AND IN LEVEL FLIGHT. RETURNED TO DEPARTURE.  PERFORMED RTS TEST ON FCC 2IAW AMM 22-00-00-700-801. TEST PASSED.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.