Service difficulty report · Wire Harness · Boeing 777222

Difficulty date
June 26, 2012
Submitted
July 6, 2012
Operation
Air carrier
Aircraft
N211UA
Make and model
Boeing 777222
Aircraft serial
30217
Aircraft time
43,804 hours, 9,529 cycles
Engine
Pwa PW4077
Part
Wire Harness
Condition
Chafed
Location
Overheat Detect
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

OVERHEAT CIRCUIT L2 LEFT ENGINE OVERHEAT DETECTION CIRCUIT 2 FAILURE. STATUS MSG04- NOT ACTIVE CRUISE INTERMITTENT. FOUND WIRE BUNDLE W0656 CHAFED & WORN BEHIND HYDRAULIC MOUNT BRACKET RIGHT SIDE BETWEEN DETECTORS M26005 & M26004. REPLACED WIRE HARNESS, FIRE WARN SYSTEM TESTED NORMAL.