# SDR ASAA2016092218109

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 22, 2016
- Submitted: September 26, 2016
- Operation: Air carrier
- Aircraft: [N568AS](https://openairdocs.org/aircraft/N568AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35183
- Aircraft time: 36,982 hours, 11,364 cycles
- System (JASC): [2210 · Autopilot System](https://openairdocs.org/jasc/2210)
- Part: Control Panel
- Part number: 8221567102
- Part serial: 16D26F
- Condition: Malfunctioned
- Location: Flight Deck
- Part time: 33,009 hours, 11,250 cycles
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2016092218109

## Discrepancy

MCP MODE SELECTOR SWITCH LIGHTS ILLUMINATION WHEN SELECTED VERY DIM.  ACFT GROUNDED. REMOVED & REPLACED MCP PANEL, REF B737-800 AMM 22-11-34. INSTALLATION TEST PASSED. ACCOMPLISHED ADDITIONAL TESTING, DFCS LRU INTERFACE TEST FOR MCP NR 32, 49 LAND VERIFY TEST, & HGS SENSOR TEST FOR FCC/AT, IAW AMM 22-00-01 & SMM 34-36-00. A/C REMAINS CATIIIA AUTOLAND & HGS QUALIFIED, STATUS SCREW REFLECT SAME.

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