Service difficulty report · Sensor · Snias AS350B3

Difficulty date
July 23, 2011
Submitted
July 25, 2011
Operation
Air carrier
Aircraft
N3866
Make and model
Snias AS350B3
Aircraft serial
4012
Aircraft time
2,676 hours
Engine
Tmeca ARRIEL2B1
Engine time
2,676 hours, 6,206 cycles
Part
Sensor
Part number
50071550020
Part serial
5475
Condition
Defective
Location
Zone 200
Component
Main Gear Box
Component part number
350A32312104
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

PILOT REPORTED A LOSS OF NR INDICATION DURING FLIGHT. PILOT ELECTED TO MAKE A PRECAUTINARY LANDING. TECH WAS DISPATCHED BUT DUE TO THE LOCATION AND SECURITY OF THE ACFT, ELECTED TO HAVE THE ACFT TRANSPORTED TO THE MX FACILITY FOR FURTHER TROUBLESHOOTING. THE TECH REMOVED THE NR SENSOR AND VERIFIED THAT THE OHM VALUE WAS NOT READING AS REQUIRED.