# SDR ASAA2021042134629

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 21, 2021
- Submitted: April 23, 2021
- Operation: Air carrier
- Aircraft: [N519AS](https://openairdocs.org/aircraft/N519AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 36482
- Aircraft time: 44,436 hours, 13,130 cycles
- System (JASC): [2297 · Auto Flight System Wiring](https://openairdocs.org/jasc/2297)
- Part: Connector
- Condition: Corroded
- Location: Autopilot
- Part time: 44,431 hours, 13,123 cycles
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2021042134629

## Discrepancy

DURING T/S OF 'B' AUTOPILOT ELEVATOR ACTUATOR FOUND CORROSION ON 'A' ELEVATOR AUTOPILOT ACTUATOR. CONNECTOR #. GROUNDED - YES. REMOVED AUTOPILOT ELEVATOR ACTUATOR "A" REF B737-800 AMM 22-11-26-00-801. INSTALLED NEW "A" AUTOPILOT ACTUATOR. LEAK CHECK OK. REF AMM 22-11-26-400-801 AND AMM 27-31-00-840-802. COMPLETED ALL TESTING OF THE A CHANNEL ELEVATOR AUTOPILOT ACTUATOR PER AMM 22-11-26/401. ALL TESTS NORMAL.

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