Service difficulty report · Wire · Boeing 777223

Difficulty date
March 26, 2019
Submitted
March 28, 2019
Operation
Air carrier
Aircraft
N789AN
Make and model
Boeing 777223
Aircraft serial
30252
Aircraft time
74,310 hours, 9,460 cycles
Part
Wire
Condition
Broken
Location
Windshield
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

FIRST OFFICER`S WINDSHIELD HAD EVIDENCE OF ARCING ON THE LOWER BUSS BAR AND DELAMINATION AT THE UPPER AND LOWER BUSS BARS. THE AIRCRAFT WAS GROUNDED. FOUND A BROKEN WIRE CONNECTION TO BE THE CAUSE OF THE ARCING. REPAIRED AND THE WINDSHIELD WAS REPLACED PER AMM 56-11-01.