SDR 2005UALA00402

Service difficulty report · Wire · Boeing 737522

Difficulty date: May 1, 2005
Submitted: May 10, 2005
Operation: Air carrier
Aircraft: N928UA
Make and model: Boeing 737522
Aircraft serial: 26651
Aircraft time: 36,060 hours, 26,527 cycles
Engine: Ge CFM56*
System (JASC): 2497 · Electrical Power System Wiring
Part: Wire
Condition: Damaged
Location: Cabin
Stage of operation: IN
How discovered: V
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

D3732 HAS MULTIPLE WIRES DAMAGED FROM ARCING. CONNECTOR IS IN CEILING, INBOARD OF FWD LAV. REPLACED DISCONNECT D3732 AND REPAIRED DAMAGED WIRING. SECURED BUNDLE. AN EG CALLOUT WAS ISSUED TO LOOK AT SIX ADDITIONAL AIRPLANES. CHAFING WAS FOUND ON HARNESS INSULATION ON ONE AIRPLANE BUT NO DAMAGE ON WIRE ITSELF. CALLOUT WILL BE EXTENDED TO ENTIRE FLEET TO ENSURE PROBLEM DOES NOT EXIST ON ANY OTHER AIRCRAFT.