Service difficulty report · Ignition Switch · Swrngn SA227AC

Difficulty date
October 30, 2008
Submitted
December 18, 2008
Operation
General aviation
Make and model
Swrngn SA227AC
Aircraft time
27,526 hours
Engine
Garrtt TPE33111U
Propeller
Mcauly 4HFR34C652
Part
Ignition Switch
Part number
31057463
Condition
Cracked
Location
Engine
Stage of operation
IN
How discovered
V
Nature of condition
K
Precautionary procedure
K

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

What was found

(CAN) OIL LEAK ON THE ENG FROM LWR ENG COWL FOUND. TROUBLESHOOTING REVEALED THE PROBLEM AS A AUTO IGNITION PRESSURE SWITCH LEAKING AT THE BASE WELD. INSP WITH A MAGNIFYING GLASS FOUND A CRACK APR .7500 AROUND THE CIRCUMFERENCE OF THE WELD.