# SDR ASAA2020032032469

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 16, 2020
- Submitted: March 24, 2020
- Operation: Air carrier
- Aircraft: [N508AS](https://openairdocs.org/aircraft/N508AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35691
- Aircraft time: 44,394 hours, 13,184 cycles
- System (JASC): [2210 · Autopilot System](https://openairdocs.org/jasc/2210)
- Part: Control Panel
- Part number: 4082260939
- Part serial: 97031081
- Condition: Inoperative
- Location: Cockpit
- Part time: 66,899 hours, 30,494 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/ASAA2020032032469

## Discrepancy

THE B AUTOPILOT CMD B LIGHT IS INOP. GROUNDED - YES. RMVD & RPLCD DFCS MCP REF B737-800 AMM 22-11-34. OPS NML PER SAME. ALL LLM TESTS FOR MCP PASS. ETOPS GND VERIFICATION TESTS SUCCESSFUL.

---
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.