# SDR ASAA2023070443864

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 4, 2023
- Submitted: July 5, 2023
- Operation: Air carrier
- Aircraft: [N487AS](https://openairdocs.org/aircraft/N487AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 44108
- Aircraft time: 28,506 hours, 8,778 cycles
- System (JASC): [2230 · Auto Throttle System](https://openairdocs.org/jasc/2230)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- Stage of operation: NR
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2023070443864

## Discrepancy

AUTOTHROTTLE- ARM LIGHT INOP-IN MCP. GROUNDED - YES. MCP A/T ARM LIGHT INTENSITY WORKS WITH CAPT'S MAIN PANEL LIGHTING RHEOSTAT, REF B737-900 WDM 33-11-31.

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