Service difficulty report · Control Panel · Boeing 747422

Difficulty date
October 7, 2009
Submitted
October 12, 2009
Operation
Air carrier
Aircraft
N120UA
Make and model
Boeing 747422
Aircraft serial
29166
Aircraft time
42,858 hours, 5,118 cycles
Engine
Pwa PW4056
Part
Control Panel
Part number
233U42039
Condition
No Test
Location
Fire Suppression
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

OVERHEAD SQUIB NR 1 TEST SWITCH INTERMITTENT AND STICKS. COULD NOT GET TEST NR 1 TO TEST AT ALL. REPLACED SQUIB TEST PANEL. OPS TEST NORMAL.