Service difficulty report · Electronic Unit · Boeing 747422

Difficulty date
December 22, 2013
Submitted
December 24, 2013
Operation
Air carrier
Aircraft
N179UA
Make and model
Boeing 747422
Aircraft serial
25158
Aircraft time
93,693 hours, 11,207 cycles
Engine
Pwa PW4056
Part
Electronic Unit
Part number
S220U004650
Part serial
253
Condition
Faulty
Location
Cockpit
Stage of operation
IN
How discovered
O
Nature of condition
N
Precautionary procedure
O

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

What was found

AFT GALLEY CHIME GOING CONTINUOUSLY. REPLACED OEU AT DOOR 5 RT POSITION 3-2-15, OPERATIONS CHECKED AFT CROW SMOKE PANEL, ALL LIGHT TEST.