# SDR AALA202103189014

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 14, 2021
- Submitted: March 19, 2021
- Operation: Air carrier
- Aircraft: [N979AN](https://openairdocs.org/aircraft/N979AN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 29568
- Aircraft time: 35,575 hours, 14,376 cycles
- System (JASC): [2210 · Autopilot System](https://openairdocs.org/jasc/2210)
- Part: Relay
- Condition: Inoperative
- Location: Stab Trim
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202103189014

## Discrepancy

AIRCRAFT WAS GROUNDED: DUAL AUTOPILOT FAILURE, FLIGHT RETURNED TO FIELD. REPLACED STABLIZER TRIM CONTROL RELAY R64 IAW FIM 22-13-00-810-818, OPS CHECK GOOD.

---
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.
