Service difficulty report · Exciter · Amd FALCON50MYST

Difficulty date
August 3, 2012
Submitted
October 16, 2012
Operation
Air carrier
Aircraft
N928WK
Make and model
Amd FALCON50MYST
Aircraft serial
279
Aircraft time
5,111 hours, 3,586 cycles
Engine
Garrtt TFE73160
System (JASC)
7412 · Exciter
Part
Exciter
Part number
90602801
Part serial
980218000160
Condition
Defective
Location
Nr 3 Engine
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

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

What was found

CREW REPORTED THE NR 3 ENGINE HAD ROTATION DURING START BUT WOULD NOT IGNITE. TROUBLESHOOTING IDENTIFIED THE IGNITER EXCITER AS DEFECTIVE. INSTALLED AN O/H EXCITER, FUNCTIONAL CHECKS SATISFACTORY.