# SDR ASAA2018062625217

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 26, 2018
- Submitted: June 29, 2018
- Operation: Air carrier
- Aircraft: [N517AS](https://openairdocs.org/aircraft/N517AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35197
- Aircraft time: 36,720 hours, 10,868 cycles
- System (JASC): [2210 · Autopilot System](https://openairdocs.org/jasc/2210)
- Part: Control Panel
- Part number: 8221567102
- Part serial: 40LDKD
- Condition: Faulty
- Location: Cockpit
- Part time: 16,991 hours, 5,580 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/ASAA2018062625217

## Discrepancy

FO'S COURSE DISPLAY WINDOW ON MCP IS BLANK. GROUNDED - YES. REPLACED DFCS MODE CONTROL PANEL REF AMM 22-11-34-400-801, OPS NORMAL REF MM 22-11-34-740-810. ACCOMPLISHED DFCS MCP LRU REPLACEMENT TEST, OPS NORMAL REF MM 22-11-34/501. ACCOMPLISHED LAND VERIFY TEST GRP BITE 49, ALL TEST PASSED REF MM 22-11-00/201. ACCOMPLISHED HGS FCC/AT SENSORS DATA TEST. OPS NORMAL REF MMS 34-36-00/500.

---
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.
