# SDR 98ZZZX2973

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 15, 1998
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N105EV](https://openairdocs.org/aircraft/N105EV), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48544
- System (JASC): [3310 · Flight Compartment Lighting](https://openairdocs.org/jasc/3310)
- Part: Dimmer
- Part number: 2631
- Condition: Burned
- Location: Cockpit Light
- Part time: 17,046 hours
- Stage of operation: CR
- Nature of condition: B
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/98ZZZX2973

## Discrepancy

MALFUNCTION OF THIS DIMMER ASSY OF COCKPIT OVERHEAD BACKGROUND LIGHT CAUSED SMOKE IN THE COCKPIT AND AIR TURN BACK DURING FLIGHT ROUTE OF TPE TO ANC ON 7-13-98.  EVA REPAIR STATION (FAA CIRS NR QOCY349J) INSPECTED AND FOUND NO HIDDEN DAMAGE, EXCEPT THE OVERHEAD LIGHT DIMMER ASSY INOPERATIVE.  REPLACED A NEW DIMMER ASSY IAW MM 33-11-03.  AIRCRAFT RETURNED TO SERVICE. (X)

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