# SDR ASAA2021012233932

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 22, 2021
- Submitted: March 4, 2021
- Operation: Air carrier
- Aircraft: [N492AS](https://openairdocs.org/aircraft/N492AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 44110
- Aircraft time: 19,534 hours, 6,264 cycles
- System (JASC): [2210 · Autopilot System](https://openairdocs.org/jasc/2210)
- Part: Computer
- Part number: 8221604101
- Condition: Failed
- Location: Flt Controls
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2021012233932

## Discrepancy

FOUND FCC A INTERNAL FAULT ON GROUND. REQ. FCC A REPLACE. GROUNDED - YES. REMOVED AND REPLACED FCC A, INSTALLATION AND LLM TESTS PASS WITH NO DEFECTS. REF B737-900 AMM 22-11-33.

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