Service difficulty report · Switch · Boeing 747422

Difficulty date
May 10, 2008
Submitted
May 14, 2008
Operation
Air carrier
Aircraft
N181UA
Make and model
Boeing 747422
Aircraft serial
25278
Aircraft time
71,748 hours, 8,866 cycles
Engine
Pwa PW4056
Part
Switch
Condition
Inoperative
Location
Fire Switch
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

FWD CARGO FIRE ARM SWITCH INTERNAL LIGHT IS INOP, RELAMP NO HELP. SUSPECT FAULTY SWITCH. REPLACED LIGHTED SWITCH. AC OK FOR SERVICE.