Service difficulty report · Igniter · Snias AS350BA

Difficulty date
November 8, 2004
Submitted
December 3, 2004
Operation
General aviation
Make and model
Snias AS350BA
Aircraft time
11,391 hours
Engine
Tmeca ARRIEL1B
Part
Igniter
Part number
9550175400
Part serial
02105100
Condition
Unserviceable
Location
Engine
Stage of operation
TX
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

(CAN) WHILE TROUBLESHOOTING A SLOW STARTING ENGINE, THE LT IGNITER PLUG WAS REMOVED FOR INSPECTION. AN OPERATIONAL (SPARK) CHECK WAS CARRIED OUT WITH NO DEFECTS FOUND. UPON A SECOND LOOK AT THE IGNITER, IT WAS NOTICED THE SEMI CONDUCTOR SURROUNDING THE CENTRAL ELECTRODE WAS EXTENDED 1/16 OF AN INCH AND LOOSE. THE MAINTENANCE LOG SHOWS THE IGNITER WAS INSTALLED NEW ON SEPT 22 2003 AT AIRFRAME HOURS 11959.5A NEW IGNITER WAS INSTALLED AND A/C RETURNED TO SERVICE.