Service difficulty report · Circuit Board · Boeing 777223

Difficulty date
August 30, 2000
Submitted
October 30, 2000
Operation
Air carrier
Aircraft
N770AN
Make and model
Boeing 777223
Aircraft serial
29578
Part
Circuit Board
Condition
Failed
Location
E/E Bay
Stage of operation
CR
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

ORD - ELECTRIC STANDBY SYSTEM FUEL ISOLATION VALVE APU CAME ON ABOUT 1 HOUR INTO FLIGHT. T/S PER FIM, REPLACED ARINC 629 CARD M22406 A13, CYCLED A/C POWER SEVERAL TIMES, NO FURTHER ELMS P310 CHAN MSG. (M)