Service difficulty report · Switch · Boeing 7272S7

Difficulty date
July 8, 2001
Submitted
July 25, 2001
Operation
Air carrier
Aircraft
N681CA
Make and model
Boeing 7272S7
Aircraft serial
22020
Part
Switch
Condition
Malfunctioned
Location
Cockpit
Stage of operation
NR
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

SMOKE EMITTED FROM INSTRUMENT PANEL INDICATOR LIGHTS, MASTER DIMMING DC BUS 1 DC BUS 2 POPPED. REMOVED AND REPLACED MASTER DIM AND TEST CARD, SYSTEM CHECKS NORMAL.

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