Service difficulty report · Amplifier · Boeing 777222

Difficulty date
June 22, 2013
Submitted
July 26, 2013
Operation
Air carrier
Aircraft
N221UA
Make and model
Boeing 777222
Aircraft serial
30552
Aircraft time
50,670 hours, 6,294 cycles
Engine
Pwa PW4090
Part
Amplifier
Part number
8220953001
Part serial
79
Condition
Failed
Location
Satcom
Stage of operation
NR
How discovered
9
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 FAILED. STATUS MESSAGE 2360121 REPLACED HIGH GAIN AMPLIFIER, ALL BITE AND VOICE TEST PASSED.