SDR 2008UALA04167

Service difficulty report · Wire · Boeing 757222

Difficulty date: August 6, 2008
Submitted: September 4, 2008
Operation: Air carrier
Aircraft: N549UA
Make and model: Boeing 757222
Aircraft serial: 25397
Aircraft time: 63,041 hours, 18,245 cycles
Engine: Pwa PW2037
System (JASC): 2197 · Air Conditioning System Wiring
Part: Wire
Condition: Burned
Location: F
Stage of operation: IN
How discovered: 9
Nature of condition: O
Precautionary procedure: K

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

What was found

IN P36 PANEL AT RIGHT-FWD CORNER - SIGNS OF ELECTRICAL ARCING AT WIRE BUNDLE W1260. *S/D* IN P36 PANEL AT RIGHT-FWD CORNER - SIGNS OF ELECTRICAL ARCING AT WIRE BUNDLE W1260. REMOVED CLAMPS FROM WIRE BUNDLES AND INSPECTED WIRE BUNDLES PER BSWPM 20-10-06. FOUND TWO WIRES W1260-5589-18 AND W1260-5589 DAMAGED AND BURNED. REPLACED DAMAGED WIRES PER BSWPM 20-10-11 AND OPS CHECKED AFT EQUIPMENT FAN SYSTEM GOOD.