Service difficulty report · Control Panel · Boeing 777222

Difficulty date
April 24, 2008
Submitted
April 28, 2008
Operation
Air carrier
Aircraft
N228UA
Make and model
Boeing 777222
Aircraft serial
30556
Aircraft time
25,312 hours, 3,245 cycles
Engine
Pwa PW4090
Part
Control Panel
Condition
Faulted
Stage of operation
IN
How discovered
9
Nature of condition
O
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

ELMS P310 PANEL THE ELECTRICAL LOAD MANAGEMENT SYSTEM (ELMS) P310 PANEL IS FAULTED SUCH THAT IT CANNOT SUPPORT AIRPLANE DISPATCH. AIMS HAS LOST ARINC 629 COMMUNICATION WITH THE P310 PANEL, OR ONE P310 PANEL CHANNEL IS LOST AND THE OTHER FAULTED AND IS OPERATING IN A DEGRADED MODE, OR BOTH P310 PANEL CHANNELS ARE FAULTED AND A STATUS MSG01- ACTIVE CRUISE HARD; ELMS P310, POWER MANAGEMENT PANEL, (STDBY) HAS NO OUTPUT ON ANY BUSS, MSG-2418803 ACTIVE ER HARD.