Service difficulty report · Amplifier · Boeing 767322

Difficulty date
October 27, 2011
Submitted
October 27, 2011
Operation
Air carrier
Aircraft
N666UA
Make and model
Boeing 767322
Aircraft serial
29238
Aircraft time
48,104 hours, 12,960 cycles
Engine
Pwa PW4056
Part
Amplifier
Part number
8220953001
Part serial
142
Condition
Faulty
Location
Satcom
Stage of operation
NR
How discovered
O
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 HI GAIN MSG CANNOT BE ERASED. RESET DID NOT HELP. MESSAGE CAME BACK. SATCOM HIGH. ONLY FAULTS DURING SATCOM VOICE CALL (HGA HPA VSWR FAULT). REPLACED HPA (M1782) FOR HGA. INSTALLATION TEST "OK". MADE CALLS ON BOTH L & R SATCOM.