On June 25, 1993, at about 0845 central daylight time, a Grumman G164A, N48584, collided with trees and the ground, following a loss of engine power, during cruise flight near Brundidge, Alabama. The airplane was operated by Brundidge Spray Service under 14 CFR Part 91 and visual flight rules. Visual meteorological conditions prevailed at the accident site. A flight plan was not filed for the aerial application flight. There were no injuries to the commercial pilot, while the airplane was substantially damaged. Origination of the flight was Brundidge, Alabama, about 40 minutes prior to the accident.

The pilot reported he had completed spraying a cotton field and was returning to the airfield. He had climbed to 150 to 200 feet when the engine emitted a puff of black smoke from the exhaust, and quit. The airplane descended into and collided with the heavily wooded terrain. He also reported that the engine had been operated about 13 hours since a zero time major overhaul.

The engine examination revealed that two of six rivets that fasten the carburetor accelerator pump piston had failed. Both of the rivets were found in the float chamber. One of the rivets was found near the needle and seat. A Malfunction or Defect Report submitted by an airworthiness inspector stated that the loose rivet may have caused the [carburetor] needle to stay open.

Engine records revealed that the engine was overhauled on May 11, 1993. According to the operator's report of the accident, the engine had 13 hours since the overhaul. The engine records also revealed that the engine was operated on a test stand, following the overhaul, with a slave carburetor. An Accessory Inspection Record attached to the overhaul records indicated that magnetos were inspected. A carburetor was not listed.

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