Service difficulty report · Anti-Ice Valve · Boeing 757231

Difficulty date
February 21, 2019
Submitted
February 25, 2019
Operation
Air carrier
Aircraft
N717TW
Make and model
Boeing 757231
Aircraft serial
28485
Aircraft time
71,695 hours, 18,283 cycles
Part
Anti-Ice Valve
Condition
Failed
Location
Lt Wing
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

SHIP 6812 WING AIR CB POPPED WHEN SELECTED. RESET CB ONCE AND IT POPPED A SECOND TIME. C/W NO GO ODI CHECKLIST STEP 1 AND STEP 2. ALL WORKING CHKS OK AT P37 PANEL. FOUND LT ANTI ICE VALVE WITH HIGH RESISTANCE. REMOVED LT WING ANTI ICE VALVE PER B757 AMM 30-11. INSTALLED LT WING ANTI ICE VALVE PER B757 AMM 30-11-02. OPS CHK GOOD. (5562650)