Service difficulty report · Electronic Unit · Boeing 777222

Difficulty date
April 10, 2009
Submitted
April 13, 2009
Operation
Air carrier
Aircraft
N771UA
Make and model
Boeing 777222
Aircraft serial
26932
Aircraft time
53,612 hours, 10,153 cycles
Engine
Pwa PW4077
Part
Electronic Unit
Condition
Failed
Location
Cabin
Stage of operation
CL
How discovered
O
Nature of condition
B
Precautionary procedure
O

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

What was found

NOTICEABLE ELECTRICAL BURNING ODOR IN THE VICINITY OF 17-26 AB. MET THE CREW UPON ARRIVAL AND SPOKE WITH THE F/A WHO DETECTED ELECTRICAL BURNING ODOR. F/A REPORT IT WAS 10 MIN AFTER DEPARTURE & MAINTAINED FOR ABOUT 5 MINS THEN WENT AWAY AT ROW 23AB AREA. OPENED CEILING PANELS AROUND ROW 23 FOR INSPECTION, ALSO CEILING AND SIDEWALL LIGHTS, ALL THE BOXES UNDERNEATH THE SEATS AND NOTHING ABNORMAL FOUND. GROUND TEST REVEALED OEU FAILED AT ROW 22AB (MM MSG 23-03401). DISCONNECTED AND 166743 CAPPED ELECTRICAL CONNECTORS AT OEU AS PRECAUTION AND CREATED ANOTHER DF TO COVER THE CURRENT STATUS.