Service difficulty report · Starter Gen · Snias AS350B2

Difficulty date
December 25, 2016
Submitted
January 5, 2017
Operation
Air carrier
Aircraft
N572AM
Make and model
Snias AS350B2
Aircraft serial
4481
Aircraft time
2,303 hours, 7,524 cycles
Engine
Tmeca ARRIEL1D1
Engine time
2,303 hours, 4,595 cycles
Part
Starter Gen
Part number
150SG122Q
Part serial
9928XL2
Condition
Failed
Location
Engine
Part time
3,502 hours, 3,891 cycles
Stage of operation
CL
How discovered
O
Nature of condition
H, J
Precautionary procedure
A

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

What was found

AFTER TAKE OFF, ENROUTE THE PILOT NOTICED THE FUEL PRESSURE INDICATION WAS DECREASING AS WELL AS THE BATTERY VOLTAGE INDICATION ON THE VEMD. DECIDED TO MAKE A PRECAUTIONARY LANDING IN A FIELD. SHORTLY AFTER INITIAL DECENT FOR THE APPROACH, THE VEMD SHUTDOWN. NEVER RECEIVED A GEN FAILURE LIGHT. MECH REPLACED THE STARTER GENERATOR IAW AMM 24-31-00, 4-1A. PERFORMED A FUNCTIONAL TEST IAW AMM 24-30-00, 5-1B. DETERMINED IT TO BE IN AN AIRWORTHY CONDITION.