# SDR ASAA2022091439943

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 14, 2022
- Submitted: September 15, 2022
- Operation: Air carrier
- Aircraft: [N478AS](https://openairdocs.org/aircraft/N478AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 44105
- Aircraft time: 26,555 hours, 8,406 cycles
- System (JASC): [2210 · Autopilot System](https://openairdocs.org/jasc/2210)
- Part: Control Panel
- Part number: 8221567102
- Part serial: 18VDYT
- Condition: Inoperative
- Location: Flight Deck
- Part time: 38,153 hours, 11,014 cycles
- Stage of operation: NR
- 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/ASAA2022091439943

## Discrepancy

AUTOPILOT ORAL WARNING INOP. GROUNDED - YES. REMOVED AND REPLACED MCP REF B737-900 AMM 22-11-34.

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