Service difficulty report · Overheat Sensor · Cessna 750

Difficulty date
March 7, 2025
Submitted
March 8, 2025
Operation
Air carrier
Aircraft
N119RM
Make and model
Cessna 750
Aircraft serial
7500051
Aircraft time
8,380 hours, 4,742 cycles
Part
Overheat Sensor
Part number
42RT1003
Condition
False Indication
Location
Zone 400
Part time
50 hours, 20 cycles
Stage of operation
TX
How discovered
O
Nature of condition
N
Precautionary procedure
O

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

What was found

THE LH AND RH HYDRAULIC TEMP SENSORS GIVE FALSE INDICATIONS. WE HAVE REPLACED 5 SENSORS IN THE LAST FEW YEARS AND THE LATEST ONE THAT IS BRAND NEW FAILED AFTER TWO WEEKS IN SERVICE.

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