# SDR DL733001134

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 10, 2000
- Submitted: June 14, 2000
- Operation: Air carrier
- Aircraft: N2310
- Make and model: Boeing 737347
- Aircraft serial: 23596
- Aircraft time: 39,427 hours, 27,482 cycles
- System (JASC): [2210 · Autopilot System](https://openairdocs.org/jasc/2210)
- Part: Actuator
- Condition: Failed
- Location: Autopilot
- Stage of operation: DE
- 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/DL733001134

## Discrepancy

AT FL 270, BEGINNING DESCENT, EXPERIENCED UNCOMMANDED ABRUPT ROLL APPROX 35-40 DEGREES TO THE LEFT.  AUTOPILOT REVERTED TO CWS PITCH AND ROLL.  YAW DAMPER IND SHOWED NO ABNORMAL INDICATIONS.  NO TURBULENCE IN AREA.  A/C IN CLEAN CONFIG.  A AUTOPILOT ENGAGED AT THE TIME OF OCCURANCE.  REPLACED THE A SYSTEM AUTOPILOT ACTUATOR PER MM.  ALSO, REPLACED A CHANNEL FCC.

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