SDR AC2A086269

Service difficulty report · Shaft Seal · Skrsky S76A

Difficulty date
April 21, 2003
Submitted
April 28, 2003
Operation
Air carrier
Aircraft
N7266K
Make and model
Skrsky S76A
Aircraft serial
760283
Aircraft time
15,620 hours
Engine
Allsn 250C30
Engine time
15,502 hours, 17,794 cycles
Part
Shaft Seal
Part number
6854424
Condition
Leaking
Location
Nr 2 Engine
Stage of operation
IN
How discovered
9
Nature of condition
K
Precautionary procedure
O

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

What was found

PART IS LEAKING OIL. OIL SEAL HAD BECOME DISPLACED FROM FUEL PUMP DRIVE SEAL BORE IN ENGINE GEARBOX. OIL WAS COMING OUT OF THE FUEL PUMP CASE DRAIN, THROUGH THE DRAIN HOSE AND OUT OF THE DRAIN CLUSTER ON THE BELLY OF THE AIRCRAFT. FUEL PUMP WAS REMOVED, THE DRIVE SEAL WAS REPLACED WITH NEW SEAL AND THE FUEL PUMP WAS REINSTALLED.