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N63555 accident description

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Crash location 33.824445°N, 116.506667°W
Nearest city Palm Springs, CA
33.830296°N, 116.545292°W
2.3 miles away
Tail number N63555
Accident date 02 Mar 2016
Aircraft type Boeing A75N1(PT17)
Additional details: None

NTSB Factual Report

On March 2, 2016, about 1300 Pacific standard time, a Boeing A75N1 (PT17), N63555, touched down hard during a forced landing following a loss of engine power during the initial climb at Palm Springs International Airport, Palm Springs, California. The airline transport pilot sustained minor injuries and the passenger was seriously injured. The airplane was substantially damaged. Palm Springs Air Museum Inc. was operating the airplane under the provisions of 14 Code of Federal Regulations Part 91. The local sightseeing flight was originating at the time. Visual meteorological conditions prevailed, and no flight plan had been filed.

The pilot reported that the engine lost power passing through 400 ft after takeoff from runway 31L. He saw houses and other obstacles straight ahead and decided to turn around to land on runway 13R. The airplane landed hard on the runway centerline but came to rest aligned about 30° left of the runway heading.

During the initial examination, the forward end of the fuselage sustained crush damage around the front cockpit. The throttle lever in the cockpit would not move due to the damage; all linkages were connected from the cockpit to the carburetor. The mixture lever in the cockpit would not move due to the damage; all linkages were connected from the cockpit to the carburetor. Examination of the wreckage established flight control continuity for all flight controls. Portions of the bottom cylinders, numbers four and five, fractured and separated. A clear blue fluid, consistent with the smell of Avgas, was drained from the gascolator, and a water paste test had no reaction indicating that water contamination was not present. All fittings that could be reached were tight. A black fluid consistent with motor oil was evident on the dipstick. There was no external evidence of catastrophic mechanical malfunction.

A follow-up examination revealed that the exhaust tube coloration was light brown in color.

The air filter was clean. There was no discoloration in the intake tube at the filter.

The crankshaft was rotated using the propeller; there were no metallic sounds or binding. All valves except for the damaged bottom two cylinders moved approximately the same amount of lift in firing order. The gears in the accessory case turned freely. Thumb compression was obtained on all cylinders in firing order except for the two damaged bottom cylinders.

The carburetor was removed and disassembled. The floats were metal; the bowl contained no fluid. The accelerator pump operated without resistance. The throttle lever would not move; the housing was crushed; the butterfly valve was almost vertical (fully open). The mixture lever moved freely from stop to stop.

The carburetor heat arm was crushed at the box, and the rod end at the bellcrank fractured and separated along a jagged and angular plane. The fuel line was removed from the gascolator to the carburetor and nothing drained out from the line. The line was connected back to the gascolator and the fuel selector valve was turned on; blue fluid came out of the line. The line was removed again and an obstruction was seen near one end of the line. The firesleeve was removed on the hose. The hose went into the fitting at a slight angle that was not visible with the firesleeve in place. The line was cut close to the obstruction. The inner surface of the hose appeared cut and curled into the hose at the fitting.

An entry in the maintenance logbooks dated October 20, 1967, recorded that all new gas lines were made. There were no entries after that to indicate any work was performed on the gas line hoses.

NTSB Probable Cause

Improper assembly of a fuel hose, which restricted the fuel supply to the carburetor and resulted in a loss of engine power during the initial climb after takeoff.

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