SDR FDEA201801170103

Service difficulty report · Contactor · Airbus A300F4605R

Difficulty date: January 17, 2018
Submitted: January 19, 2018
Operation: Air carrier
Aircraft: N678FE
Make and model: Airbus A300F4605R
Aircraft serial: 792
Aircraft time: 26,799 hours, 14,986 cycles
System (JASC): 4940 · APU Start/Ignition System
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

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

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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