Service difficulty report · Electrical Sys · Boeing 777222

Difficulty date
June 2, 2007
Submitted
June 6, 2007
Operation
Air carrier
Aircraft
N797UA
Make and model
Boeing 777222
Aircraft serial
26924
Aircraft time
40,482 hours, 6,107 cycles
Engine
Pwa PW4090
Part
Electrical Sys
Condition
No Test
Location
Dc Standby
Stage of operation
IN
How discovered
C
Nature of condition
L
Precautionary procedure
K

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

What was found

ELEC STANDBY SYS ELECTRICAL DC-STANDBY POWER SYSTEM FAILED THE SYSTEM SELF-CHECK. [07-06-07] REPLACED BUSS TIE, MAIN BATTERY RELAY. AIRPLANE OK FOR SERVICE.