Service difficulty report · Circuit Card · Boeing 777222

Difficulty date
March 17, 2013
Submitted
March 19, 2013
Operation
Air carrier
Aircraft
N215UA
Make and model
Boeing 777222
Aircraft serial
30221
Aircraft time
45,987 hours, 9,803 cycles
Engine
Pwa PW4077
Part
Circuit Card
Condition
Failed
Location
Recirc Fans
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

RECIRCULATION FAN EICAS MESSAGE. MAINTENANCE PAGE SHOWS LT LOWER RECIRCULATION FAN AND FWD UPPER RECIRCULATION FAN. ELMS CPU AND SIG CARDS WERE REPLACED.