Service difficulty report · Rfu · Boeing 777222

Difficulty date
April 25, 2010
Submitted
May 10, 2010
Operation
Air carrier
Aircraft
N793UA
Make and model
Boeing 777222
Aircraft serial
26946
Aircraft time
56,184 hours, 8,257 cycles
Engine
Pwa PW4090
Part
Rfu
Part number
6228849001
Part serial
160
Condition
Malfunctioned
Location
Satcomm
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

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

What was found

LOW SIGNAL FROM SATCOMM RFU ORDERED NEW RFU FROM DEN SATCOMM HAS LOTS OF HISTORY. REPLACED RADIO FREQUENCY UNIT. SYS LOGGED ON OK.