1997-02-17: The Boeing 767, operating as AAL132
) was eastbound from New York to London. When the flight crew tested the fuel crossfeed valve, the valve in transit light illuminated indicating a malfunction. The crew requested a descent/diversion to Gander but ACC could not accommodate their request due to traffic below. AAL132
carried out the contingency plan, declared an emergency and turned 30 miles north of track while descending to FL360
to divert to Gander. ERS was advised and AAL132
landed in Gander safely at 0657z Maintenance identified that the crossfeed valve was in the position selected (Open) but the indicator showed it to be in transit.The valve was operated manually and it was observed that the indicator functioned normally thereafter. The B767 was returned to service. TSB closed.