Final
None
Dec 1, 2024
N41997 accident at Boscobel, WI
Piper PA-28R-200 — Structural icing at OVS (Boscobel, WI)
DateDec 1, 2024
Tail numberN41997
AircraftPiper PA-28R-200 · Piper PA-28R Arrow · P28R
LocationOVS — Boscobel, WI
Phase of flightEnroute
OperationPart 91 Instructional
InjuriesNone
NTSB caseCEN25LA053
Probable cause
The ice obstruction of the engine oil breather tube and alternate air outlet, which resulted in a failure of the crankcase oil seal and loss of engine oil. Contributing to the accident was the incorrect engine oil breather tube installed in the airplane by maintenance personnel.
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