# SDR 99UAL900570

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 3, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N655UA](https://openairdocs.org/aircraft/N655UA), registered now
- Make and model: Boeing 767322
- Aircraft serial: 25393
- Engine: Pwa PW4060
- System (JASC): [2722 · Rudder Actuator](https://openairdocs.org/jasc/2722)
- Part: Actuator
- Part number: 658D1003
- Condition: Failed
- Location: Rudder Trim
- Stage of operation: CR
- Nature of condition: F, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/99UAL900570

## Discrepancy

RUDDER TRIM INOP.  DIVERTED TO ORD.  C/B RESET, NO HELP.  *S/D*  THE INOP CONDITION OF THE RUDDER TRIM SYSTEM WAS DUE TO AN INTERMITTENT INTERNAL FAULT OF THE OF THE RUDDER TRIM ACTUATOR.  THE SUBJECT ACTUATOR WAS REPLACED PER MM 27-21-11 AND ALL OPS CHECKS ARE NORMAL.

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