# SDR ASAA2013102596230

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 25, 2013
- Submitted: October 28, 2013
- Operation: Air carrier
- Aircraft: [N419AS](https://openairdocs.org/aircraft/N419AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 41734
- Aircraft time: 2,417 hours, 739 cycles
- System (JASC): [2210 · Autopilot System](https://openairdocs.org/jasc/2210)
- Part: Control Panel
- Part number: 8221567102AS
- Part serial: 40LD8C
- Condition: Inoperative
- Location: Flight Deck
- Part time: 2,422 hours, 740 cycles
- Stage of operation: TX
- 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/ASAA2013102596230

## Discrepancy

MCP PANEL IS INOPERATIVE.  ACFT GROUNDED.  REPLACED MCP IAW AMM 22-11-34. PERFORMED DFCS TESTS REF AMM 22-11-00, BITE NR 32 AND NR 49 HGS SENSORS TEST REF SSM 34-36-00, ALL GROUND FUNCTIONAL TESTS PASS.  DFCS LRU INTERFACE TEST FOR MCP GOOD, BITE NR 32 REF MM 22-11-34. LAND VERIFY TEST NR 49 GOOD REF MM 22-11-00.  HGS SENSOR TEST FOR FCC/AT GOOD REF SMM 34-36-00.  ACFT REMAINS CAT IIIA AUTOLAND-HGS QUAL.  LWMP STATUS PLACARD CHECKED. STATUS SCREW IS IN CATIIIA AUTOLAND-HGS QUAL POSITION.

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