Service difficulty report · Wire · Boeing 737322

Difficulty date
October 26, 2007
Submitted
October 30, 2007
Operation
Air carrier
Aircraft
N365UA
Make and model
Boeing 737322
Aircraft serial
24534
Aircraft time
53,363 hours, 31,292 cycles
Engine
Cfmint CFM563C1
Part
Wire
Condition
Failed
Location
Window Heat
Stage of operation
CR
How discovered
V
Nature of condition
O
Precautionary procedure
A

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

What was found

RTFL DUE TO SHATTERING OF LEFT SLIDING COCKPIT WINDOW. HIGH INTERNAL RESISTANCE ON T271, CAUSING THE WHC TO FAIL OVERHEAT CONDITION. OVERHEAT OCCURRED AND WINDOW WAS SHATTERED AS A RESULT. REPLACED WINDOW AND RESPLICED SENSOR WIRING (CAUSING THE HIGH RESISTANCE). TESTED WINDOW -OK.