Improper maintenance and engine reassembly were the likely causes of a single-engine airplane’s 2014 crash landing near the old Royal Palm Polo grounds in Boca Raton, according to a National Transportation Safety Board report released Wednesday.
Investigators determined that maintenance crews failed to apply proper torque to engine-cylinder nuts and bolts on a Cessna 180K that crash-landed Oct. 12, 2014 on a dirt road about 3 miles northwest of the Boca Raton Airport.
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Two people were flying on the Cessna from Columbus, Ga., to Boca Raton when the aircraft lost engine power as it approached the airport, off Glades Road and Interstate 95.
The Cessna’s pilot and his wife escaped serious injury as the aircraft overturned upon landing near Jog and Clint Moore roads.
A post-crash examination of the aircraft’s engine revealed a loose nut in one of its cylinders and damage to multiple locations in its crankcase, the NTSB report said.
According to the report, the aircraft had undergone maintenance, including the removal and reinstalling of two engine cylinders.
According to Federal Aviation Administration records, the Hilltop Aviation Group in Franklin, Maine, owned the airplane.