Service difficulty report · Sdu · Boeing 777222

Difficulty date
July 12, 2012
Submitted
August 10, 2012
Operation
Air carrier
Aircraft
N222UA
Make and model
Boeing 777222
Aircraft serial
30553
Aircraft time
46,511 hours, 5,624 cycles
Engine
Pwa PW4090
Part
Sdu
Part number
8220314102
Part serial
8
Condition
Faulty
Location
Satcom
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

SATCOM HIGH GAIN FAILED. SATCOM SYSTEM BECAME INOPERATIVE LOW AND HIGH GAIN REPLACED SDU PER AMM.