# SDR EIA2004004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 14, 2004
- Submitted: January 15, 2004
- Operation: Air carrier
- Aircraft: N486EV
- Make and model: Boeing 747 212B
- Registry model: [Boeing 747 212B](https://openairdocs.org/model/boeing-747-212b) (OpenAirDocs)
- Aircraft serial: 20888
- Aircraft time: 80,431 hours, 19,119 cycles
- System (JASC): [3397 · Light System Wiring](https://openairdocs.org/jasc/3397)
- Part: Wire
- Condition: Broken
- Location: Cockpit
- Stage of operation: CL
- How discovered: O
- Nature of condition: B
- Precautionary procedure: H
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/EIA2004004

## Discrepancy

STRONG SMOKE /FUME ODOR, PULLED CTR PNL CB ODOR SEEMED TO GO AWAY.  FOUND BROKEN WIRE L77-20 AT DIMMER BROKEN WITH SIGNS OF ARCHING AT TERMINAL.  REPAIRED WIRE PER SWPM 20-10-13, OPS CHECKED PER B747 MM 33-11-00. NO ODOR NOTED.

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