Service difficulty report · Signal Cond Unit · Cessna 402B

Difficulty date
March 2, 2019
Submitted
March 4, 2019
Operation
Air carrier
Aircraft
N145TT
Make and model
Cessna 402B
Aircraft serial
402B1333
Aircraft time
9,492 hours
Engine
Cont TSIO520EB
Engine time
1,109 hours
Propeller
Mcauly 3AF32C*
Part
Signal Cond Unit
Part number
360926001
Part serial
990A
Condition
Defective
Location
Fuel System
Stage of operation
AP
How discovered
O
Nature of condition
Y
Precautionary procedure
E

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

What was found

APPEARS THAT RT FUEL QTY INDICATING SYSTEM MALFUNCTIONED AND WAS INDICATING 12 GALLONS OF FUEL IN TANK AND IT WAS ACTUALLY EMPTY.THE SIGNAL CONDITIONER WAS SWAPPED WITH THE LT SIDE AND FAULT FOLLOWED. PRESENTLY SIGNAL CONDITIONER IS ON ORDER.

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