# SDR AALA202108243438

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 23, 2021
- Submitted: August 24, 2021
- Operation: Air carrier
- Aircraft: [N913US](https://openairdocs.org/aircraft/N913US), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 6255
- Aircraft time: 22,940 hours, 8,956 cycles
- System (JASC): [2200 · Auto Flight System](https://openairdocs.org/jasc/2200)
- Part: Autopilot Sys
- Condition: Faulted
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202108243438

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: AT TAKE OFF PLUS 3:45 HED ON ND WARNING "OFF SIDE FM CONTROL" AT FL 330. "NAV" TRANSITIONED TO "HEADING" UNCOMMANDED. REVIEWED QRH PAGE 3-4 AND SWITCHED TO AUTO PILOT#2. PROBLEM SELF CLEARED AND RETURN TO AUTO PILOT #1.  RESET FMGC 1 AND 2 PER AMM 22-96-00, PERFORMED AUTO FLIGHT SYSTEM CHECK WITH NO DEFECTS NOTED.

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