# SDR IPXA2019020138505

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 29, 2019
- Submitted: February 1, 2019
- Operation: Air carrier
- Aircraft: N279UP
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48573
- Aircraft time: 73,500 hours, 13,926 cycles
- System (JASC): [2730 · Elevator Control System](https://openairdocs.org/jasc/2730)
- Part: Actuator
- Part number: 1536400503
- Part serial: 0204
- Condition: Unserviceable
- Location: Rt Elevator
- Stage of operation: CL
- How discovered: O
- Nature of condition: F
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2019020138505

## Discrepancy

PITCH CONTROL DURING CLIMBOUT WAS DIFFICULT TO PREDICT. HEAVY DOWNWARD FORCE WOULD COME AND GO. CONTROLL COLUMN WOULD OSCILLATE.REPLACED RH ELEVATOR INBOARD ACTUATOR PER MM 27-30-00-710-801/802.

---
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.