# SDR EVCA20171109001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 5, 2017
- Submitted: November 9, 2017
- Operation: Air carrier
- Aircraft: [N486AE](https://openairdocs.org/aircraft/N486AE), registered now
- Make and model: Bell 206L-4
- Registry model: [Bell 206L-4](https://openairdocs.org/model/bell-helicopter-textron-canada-206l-4) (OpenAirDocs)
- Aircraft serial: 52467
- Aircraft time: 1,291 hours, 3,513 cycles
- System (JASC): [2497 · Electrical Power System Wiring](https://openairdocs.org/jasc/2497)
- Part: Connector
- Condition: Unsecure
- Location: Battery Relay
- Stage of operation: CL
- How discovered: O
- Nature of condition: B
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/EVCA20171109001

## Discrepancy

DURING DEPARTURE FROM BASE PILOT REPORTED AN ELECTRICAL BURNING ODOR IN THE CABIN.  ON MAINTENANCE INVESTIGATION,  FOUND THAT THERE WAS A LOOSE CONNECTION AT THE BATTERY RELAY OF THE POSITIVE LEAD WIRE NR P1A4.  THE LOOSE CONNECTION DAMAGED THE RING TERMINALS ON WIRES P16A22, P16A18, AND THE INTELLISTART POWER LEAD TO FUSE HOLDER WIRE.

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