Service difficulty report · Master Switch · Cessna 172R

Difficulty date
September 19, 2000
Submitted
November 1, 2000
Operation
General aviation
Aircraft
N718EH
Make and model
Cessna 172R
Aircraft serial
17280061
Part
Master Switch
Part number
S337711
Condition
Malfunctioned
Location
Instrument Panel
Part time
1,283 hours
Stage of operation
IN
How discovered
C
Nature of condition
O
Precautionary procedure
K

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

What was found

WHEN AVIONICS MASTER SWITCH STARTS TO FAIL, IT WILL ONLY TURN ON THE NR 1 COM. ALL OTHER AVIONIC COMPONENTS ARE CONTROLLED BY THE BATTERY MASTER. (X)

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