Service difficulty report · Inverter · Boeing 7374Q8

Difficulty date
July 31, 2002
Submitted
October 8, 2002
Operation
Air carrier
Aircraft
N755AS
Make and model
Boeing 7374Q8
Aircraft serial
25096
System (JASC)
2422 · AC Inverter
Part
Inverter
Part number
528270047
Part serial
CV000578
Condition
Faulty
Location
E/E Bay
Stage of operation
IN
How discovered
C
Nature of condition
B
Precautionary procedure
K

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

What was found

SEA - DURING LINE MAINTENANCE IT WAS NOTICED THAT SMOKE WAS COMING FROM THE E/E BAY AREA. IT WAS FOUND THAT THE STATIC INVERTER HAD A COMBUSTION EVENT. CLEANED THE E3-1 RACK, REPLACED THE STATIC INVERTER, BATTERY CHARGER, BOTH TR'S, AND THE MOISTURE SHROUD. REMOVED AND REINSTALLED SEVERAL OTHER COMPONENTS TO ALLOW THE CLEANING OF THE RACKS. OPS CHECKED AFFECTED SYSTEMS, ALL OPERATIONS WERE NORMAL. (M)

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