SDR SWIA200211598

Service difficulty report · Wire · Emb EMB120ER

Difficulty date: December 16, 2002
Submitted: December 26, 2002
Operation: Air carrier
Aircraft: N234SW
Make and model: Emb EMB120ER
Aircraft serial: 120308
Aircraft time: 16,805 hours, 23,945 cycles
System (JASC): 2997 · Hydraulic Power System Wiring
Part: Wire
Condition: Burned
Location: Hyd Aux Pump
Stage of operation: CR
How discovered: O
Nature of condition: B
Precautionary procedure: H, A

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

What was found

BURNING ODOR STARTED 20 MIN INTO FLIGHT. PACKS WERE TURNED OFF ONE AT A TIME TO ISOLATE THE PROBLEM. ODOR STILL REMAINED AND AT FL240 PRESSURE COULD NOT BE MAINTAINED ON ONE PACK. FOUND NUT LOOSE AT RCCB, CB0256 FOR BLUE HYDRAULIC AUX PUMP, AND BURNED WIRE. TIGHTENED NUT, REMOVED AND REPLACED WIRE W208-0240-2. OPS CHECK GOOD.

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