The pilot reported that during the landing roll in crosswind conditions, the airplane drifted off the runway to the right and the left wing impacted a runway sign.
A postaccident examination revealed substantial damage to the left wing.
The pilot reported no preaccident mechanical malfunctions or failures with the airplane that would have precluded normal operation.
An automated weather observing station 5 nautical miles from the accident airport, about the time of the accident, recorded the wind at 090 degrees true at 11 knots. The pilot reported he landed on runway 7.