Service difficulty report · Connector · Boeing 747123

Difficulty date
January 20, 1999
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N674UP
Make and model
Boeing 747123
Aircraft serial
20100
Part
Connector
Condition
Loose
Location
Nr 4 Crossfeed
Stage of operation
CL
Nature of condition
J
Precautionary procedure
A

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

What was found

NR 4 FUEL CROSSFEED VALVE FAILED, CLOSED INFLIGHT. AIR TURNBACK TO ANC. LOCATED NR 4 FUEL CROSSFEED VALVE AND FOUND CANNON PLUG OFF OF ACTUATOR. INSTALLED SYSTEM WITH PRESSURE ON, NO LEAKAGE NOTED.