# SDR FDEA201801170103

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 17, 2018
- Submitted: January 19, 2018
- Operation: Air carrier
- Aircraft: [N678FE](https://openairdocs.org/aircraft/N678FE), registered now
- Make and model: Airbus A300 F4-605R
- Registry model: [Airbus A300 F4-605R](https://openairdocs.org/model/airbus-industrie-a300-f4-605r) (OpenAirDocs)
- Aircraft serial: 792
- Aircraft time: 26,799 hours, 14,986 cycles
- System (JASC): [4940 · APU Start/Ignition System](https://openairdocs.org/jasc/4940)
- Part: Contactor
- Part number: U144CC01A02
- Part serial: 2614
- Condition: Arced
- Location: Apu Starter
- Stage of operation: TX
- 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/FDEA201801170103

## Discrepancy

DURING PRE-FLIGHT, ATTEMPTED TO START APU. NOTICED A CHATTERING SOUND,  LOUDER THAN NORMAL IN THE MAINTENANCE PANEL.  SMOKE ENTERED THE COCKPIT.   ALSO RECEIVED A MAIN DECK CARGO SMOKE WARNING,  SMOKE ODOR IS ACRID.  FOUND APU STARTER CONTACTOR 5KA ARCING. REMOVED AND REPLACED IAW MM 49-42-15-04. OK FOR SERVICE.

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