Service difficulty report · Control Unit · Boeing 767322

Difficulty date
November 5, 2010
Submitted
November 17, 2010
Operation
Air carrier
Aircraft
N672UA
Make and model
Boeing 767322
Aircraft serial
30027
Aircraft time
39,773 hours, 10,481 cycles
Engine
Pwa PW4056
Part
Control Unit
Part number
51373950649
Part serial
54
Condition
Malfunctioned
Location
Satcom
Stage of operation
NR
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

SATCOM HIGH GAIN STATUS MSG WON'T CLEAR. BOTH HIGH AND LOW GAIN INOP. DEFERRED PER MEL. REPLACED PORT SATCOM BEAM STEERING UNIT. PERFORMED TEST PER MM. NORMAL OPERATION NOTED.