# SDR UALA2012111406571

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 13, 2012
- Submitted: November 15, 2012
- Operation: Air carrier
- Aircraft: N199UA
- Make and model: Boeing 747422
- Aircraft serial: 28717
- Aircraft time: 61,794 hours, 7,219 cycles
- Engine: Pwa PW4056
- System (JASC): [2210 · Autopilot System](https://openairdocs.org/jasc/2210)
- Part: Servo Control
- Condition: Faulty
- Location: Autopilot Sys
- Stage of operation: IN
- How discovered: C
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2012111406571

## Discrepancy

CENTER FCC AND CTR RUDDER SERVO FAIL GROUND TESTS.  AFTER SERVO CNTR REPLACE, FCC AND RUDDER SERVO TEST PASS IAW MM 22-10-00.

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