Service difficulty report · Switch · Boeing 747422

Difficulty date
October 15, 2005
Submitted
October 25, 2005
Operation
Air carrier
Aircraft
N122UA
Make and model
Boeing 747422
Aircraft serial
29168
Aircraft time
25,395 hours, 3,227 cycles
Engine
Pwa PW4056
Part
Switch
Condition
Failed
Location
Cockpit Door
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

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

What was found

COCKPIT DOOR ELECTRIC SWITCH FAILED. BURNT ELEC SMELL IN CABIN & COCKPIT.