# SDR ASAA2023032142455

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 21, 2023
- Submitted: March 23, 2023
- Operation: Air carrier
- Aircraft: [N516AS](https://openairdocs.org/aircraft/N516AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 39044
- Aircraft time: 51,558 hours, 15,317 cycles
- System (JASC): [2210 · Autopilot System](https://openairdocs.org/jasc/2210)
- Part: Control Panel
- Part number: 8221567104
- Part serial: 472G1L
- Condition: Faulty
- Location: Flight Deck
- Part time: 23,636 hours, 7,119 cycles
- Stage of operation: NR
- How discovered: V
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2023032142455

## Discrepancy

A/P A DOES NOT ENGAGE. A/P B OPERATES NORMAL. GROUNDED - YES. REMOVED AND REPLACED MCP REF B737-800 AMM 22-11-34.

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