Service difficulty report · Diplexer · Boeing 767322

Difficulty date
October 30, 2010
Submitted
November 12, 2010
Operation
Air carrier
Aircraft
N651UA
Make and model
Boeing 767322
Aircraft serial
25389
Aircraft time
80,660 hours, 12,937 cycles
Part
Diplexer
Part number
511610500
Part serial
7062
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

SATCOM FAILED TWICE DURING CALLS. INITIALLY COMMS ESTABLISHED BRIEFLY AND THEN DROPPED. REPLACED M1791, DUE TO A LGA HPA VSWR FAULT. OPS CK OK.