Service difficulty report · Anti-Ice Valve · Boeing 767322

Difficulty date
October 31, 2013
Submitted
November 1, 2013
Operation
Air carrier
Aircraft
N655UA
Make and model
Boeing 767322
Aircraft serial
25393
Aircraft time
89,071 hours, 14,126 cycles
Engine
Pwa PW4060
Part
Anti-Ice Valve
Part serial
248
Condition
Faulty
Location
Lt Engine
Stage of operation
IN
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

EICAS MSG ENG ANTI- ICE DISPLAYED & ENG ANTI-ICE VLV LIGHT REMAINED ILLUMINATED WITH SWITCH ON, POSITION 1. TROUBLESHOOT IAW MM 30-21-00-0100 SERIES PAGES FIGURE 105. ON & OFF INTERMITTENTLY WITH ANTI-ICE SELECTED ON. REPLACED ANTI ICE VLV, RAN ENG, CONFIRMED VLV OPENS & CLOSES NORMALLY. EICAS INDICATION OPERATIONS NORMALLY. MEL RAISED FOR SWITCH INDICATION FAULT