# SDR 0301116628

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 10, 2003
- Submitted: June 12, 2003
- Operation: Air carrier
- Aircraft: N628US
- Make and model: Boeing 747251B
- Aircraft serial: 22389
- Aircraft time: 88,737 hours, 14,674 cycles
- System (JASC): [2230 · Auto Throttle System](https://openairdocs.org/jasc/2230)
- Part: Control Panel
- Part number: 60B80099203
- Part serial: 390779
- Condition: Smoke
- Location: Autothrottle
- Part time: 64,879 hours
- Stage of operation: NR
- How discovered: O
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/0301116628

## Discrepancy

DURING FLIGHT THE RATING SELECT SWITCH BEGAN SMOKING.  AIRCRAFT CONTINUED TO DESTINATION AND LANDED WITHOUT INCIDENT.  REPLACED AUTOTHROTTLE TAT/EPRL CONTROL PANEL.  OPERATIONAL CHECK GOOD.

---
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.