Service difficulty report · Sdu · Boeing 777222

Difficulty date
March 14, 2013
Submitted
May 9, 2013
Operation
Air carrier
Aircraft
N794UA
Make and model
Boeing 777222
Aircraft serial
26953
Aircraft time
68,803 hours, 9,669 cycles
Engine
Pwa PW40903
Part
Sdu
Part number
8220314102
Part serial
6
Condition
Malfunctioned
Location
Satcom
Stage of operation
NR
How discovered
O
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 EICAS. STATUS MSG SATCOM SYSTEM MAT SHOWS MAINT MSG 23-60021 SATELLITE DATA UNIT (LEFT) HAS AN INTERNAL FAULT. CB'S P110 E17, E20 AND E21 PULLED AND COLLARED PER MEL PROCEDURES. REPLACED SDU, OPS NORMAL