# SDR ASAA2016091318004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 13, 2016
- Submitted: September 15, 2016
- Operation: Air carrier
- Aircraft: [N461AS](https://openairdocs.org/aircraft/N461AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 36363
- Aircraft time: 9,979 hours, 3,225 cycles
- System (JASC): [2210 · Autopilot System](https://openairdocs.org/jasc/2210)
- Part: Control Panel
- Part number: 8221567102
- Part serial: 4280PD
- Condition: Malfunctioned
- Location: Cockpit
- Part time: 9,976 hours, 3,224 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/ASAA2016091318004

## Discrepancy

RIGHT HALF OF FLIGHT CONTROL PANEL BACKLIGHTING INOPERATIVE.  ACFT GROUNDED.  VERIFIED THAT RT SIDE OF MCP BACKGROUND LIGHTS ARE INTERMITTENT.  REPLACED MCP, OPS NORMAL, REF AMM 22-11-34.  ACCOMPLISHED BITE GROUP NR 32 DFCS LRU INTERFACE TEST, MCP AND NR 49 LAND VERIFY, & HGS SENSOR TEST FCC/AT, REF LWMP CHECKLIST AMM 22-00-01 & SMM 34-36-00.  ACFT REMAINS CAT IIIA AUTOLAND AND HGS.  ACFT PLACARD SCREW REFLECTS THE SAME.

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