Service difficulty report · Plunger · Beech D18S

Difficulty date
September 16, 2008
Submitted
December 1, 2009
Operation
General aviation
Make and model
Beech D18S
Aircraft time
8,351 hours
Engine
Pwa R985AN14B
Part
Plunger
Part number
1139
Condition
Worn
Location
Relief Valve
Part time
1,394 hours
Stage of operation
CR
How discovered
O
Nature of condition
P
Precautionary procedure
A

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

What was found

(CAN) THE ACFT MADE AN UNSCEDULED LANDING WHEN THE OIL PRESSURE PLUNGER BECAME JAMMED IN THE BODY OF THE OIL PRESURE RELIEF VALVE CAUSING A LOSS OF OIL PRESSURE. MX REPLACED THE PLUNGER AND THE ENGINE WAS RETURNED TO SERVICE.

More about the Beech D18S