Piper pilot reported aircraft hit unseen depression in grass parking area and prop contacted ground.

Attributes
ACN	1566165
Time
Date	201707
Local Time Of Day	0601-1200
Place
Locale Reference	MBT.Airport
State Reference	TN
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Make Model Name	Piper Aircraft Corp Undifferentiated or Other Model
Operating Under FAR Part	Part 91
Flight Phase	Taxi
Flight Plan	None
Component
Aircraft Component	Propeller Blade
Person 1
Function	Single Pilot
Qualification	Flight Crew Flight Instructor Flight Crew Commercial Flight Crew Instrument Flight Crew Multiengine
Experience	Flight Crew Last 90 Days 140 Flight Crew Total 1800 Flight Crew Type 65
Events
Anomaly	Ground Event / Encounter Ground Strike - Aircraft

Narrative:

Taxiing into a grass parking spot in a tricycle gear aircraft when the nose wheel went into a small depression that the pilot could not see and the prop struck the ground twice. The engine continued to run but was promptly shut down after the prop hit.

Original NASA ASRS Text

Title: Piper pilot reported aircraft hit unseen depression in grass parking area and prop contacted ground.

Narrative: Taxiing into a grass parking spot in a tricycle gear aircraft when the nose wheel went into a small depression that the pilot could not see and the prop struck the ground twice. The engine continued to run but was promptly shut down after the prop hit.

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.