# SDR UIEA2025081401123

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 14, 2025
- Submitted: August 15, 2025
- Operation: Air carrier
- Aircraft: [N487MC](https://openairdocs.org/aircraft/N487MC), registered now
- Make and model: Boeing 747-45EF
- Registry model: [Boeing 747-45EF](https://openairdocs.org/model/boeing-747-45ef) (OpenAirDocs)
- Aircraft serial: 30609
- Aircraft time: 100,376 hours, 18,326 cycles
- System (JASC): [2300 · Communications System](https://openairdocs.org/jasc/2300)
- Part: Audio Panel
- Part number: 1167015141
- Part serial: 2M3FC
- Condition: Odor
- Location: Zone 200
- Stage of operation: IN
- How discovered: V
- Nature of condition: B
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2025081401123

## Discrepancy

STRONG SMELL OF BURNING WIRE IN COCKPIT DURING PREFLIGHT.  PERFORMED SMOKE OR FUME IN CABIN INSPECTION IAW FIM 21-00TASK 810. FOUND F/O CONTROL AUDIO PANEL BAD WITH ODOR. R/R PANEL IAW AMM 23-51-11. OPS CHECK GOOD. NO DEFECTS NOTED AT THIS TIME. HAPPENED ON GROUND.

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