PA34 pilot reported a return to departure airport after observing smoke from the right engine during...

Attributes
ACN	1408736
Time
Date	201612
Local Time Of Day	1201-1800
Place
Locale Reference	ZZZZ.Airport
State Reference	FO
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Make Model Name	PA-34-200 Seneca I
Operating Under FAR Part	Part 91
Flight Phase	Climb
Route In Use	Direct
Flight Plan	IFR
Component
Aircraft Component	Vacuum Pump
Person 1
Function	Pilot Flying Single Pilot
Qualification	Flight Crew Multiengine Flight Crew Private Flight Crew Instrument
Experience	Flight Crew Last 90 Days 16 Flight Crew Total 1600 Flight Crew Type 250
Events
Anomaly	Aircraft Equipment Problem Less Severe Flight Deck / Cabin / Aircraft Event Smoke / Fire / Fumes / Odor

Narrative:

Smoke from right engine during climb. Requested immediate return for landing. Normal landing; no flames and no more smoke. Firetrucks were deployed; but not used. Turned out to be an oil leak in the vacuum pump. Expect that oil drops on the exhaust pipe caused the smoke. No evidence of flames.

Original NASA ASRS Text

Title: PA34 pilot reported a return to departure airport after observing smoke from the right engine during takeoff.

Narrative: Smoke from right engine during climb. Requested immediate return for landing. Normal landing; no flames and no more smoke. Firetrucks were deployed; but not used. Turned out to be an oil leak in the vacuum pump. Expect that oil drops on the exhaust pipe caused the smoke. No evidence of flames.

Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.