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March 2, 2023 · Piper PA-28R-200 · N9420N

Slaughters, KY

Overview

Report Status
Final with probable cause
Event Type
Accident
Date
March 2, 2023
Injury Outcomes
No injuries (1 uninjured)
Location
Slaughters, KY
Aircraft
Piper PA-28R-200
Tail Number
N9420N
Operator
Space Cadets
Injuries
None
Aircraft Damage
Substantial
NTSB Number
ERA23LA144

The pilot purchased an airplane that had not flown in 22 years and that had an extensive annual inspection completed the day before the accident flight. On the day of the accident, the pilot flew the airplane on a short flight to an airport and topped off the fuel tanks. About 5 minutes after he departed on the second leg, the engine started to lose power so he performed an off-airport forced landing. The airplane landed hard, which resulted in substantial damage to the wings. Postaccident examination of the airplane revealed that when electrical power was applied to the electric fuel pump, fuel leaked from the fuel strainer bowl. Further examination of the fuel strainer bowl revealed that the thumb wheel, which secured the fuel strainer bowl to the firewall, was loose and not secured with safety wire. Examination of the fuel system forward of the fuel strainer bowl revealed no fuel was present up to the fuel nozzles. Once the fuel strainer bowl was secured and the thumb wheel tightened, fuel flowed to the fuel nozzles and no leaks were noted. Additionally, one of the fuel injector nozzles was completely obstructed and another was partially obstructed. Since the fuel bowl was not safety wired, it likely loosened from vibration after the annual inspection which resulted in fuel leaking from the fuel strainer bowl. The fuel leak likely starved the engine of adequate fuel to operate normally, and contributed to the partial loss of engine power. The obstructed fuel injector nozzles also likely negatively impacted the engine’s performance during the flight.

NTSB Probable Cause

Maintenance personnel’s failure to secure the fuel strainer bowl with safety wire, which resulted in the fuel strainer bowl leaking and starving the engine of fuel. Also causal was the obstruction of two fuel injector nozzles.

Full Narrative

On March 2, 2023, at 1305 central standard time, a Piper PA-28R-200, N9420N, was substantially damaged when it was involved in an accident near Slaughters, Kentucky. The pilot was not injured. The airplane was operated as a Title 14 Code of Federal Regulations Part 91 personal flight. According to the pilot, he purchased the airplane in April 2021, and the airplane had not flown for 22 years. He hired a mechanic to complete an extensive annual inspection, and the mechanic endorsed the airplane’s logbooks on March 1, 2023. The pilot planned on flying the airplane back to San Diego, California. On the day of the accident, he flew from Bowman Field Airport (LOU), Louisville, Kentucky, to Madisonville Regional Airport (2I0), Madisonville, Kentucky, which was about 97 nautical miles. He topped off the fuel tanks at 2I0 and visited a friend in town for a couple hours before departing for Lebanon Springfield Airport-George Hoerter Field (6I2), Springfield, Kentucky. About 5 minutes after he departed 2I0, at an altitude of 1,600 ft mean sea level, the engine started to “lose power and slow down.” He did not remember if the engine was sputtering, he just remembered the engine was losing power. He knew he could not make it back to the airport, so he set up for a forced landing to a field. The airplane landed hard, and all three landing gear separated from their mounts. The main landing gear were forced up through the wings, which substantially damaged the wing ribs and main spar. Examination of the engine revealed that, when electrical power was applied to the electric fuel pump, fuel leaked from the fuel strainer bowl. The thumb wheel, which secured the fuel strainer bowl to the firewall, was loose and not secured with safety wire, which allowed fuel to exit the fuel strainer bowl. The fuel system forward of the fuel strainer was examined and no fuel was noted up to the fuel nozzles. The fuel strainer bowl was secured by the mechanic and when the fuel pump was powered up fuel flowed from the strainer bowl, through the fuel lines, to the fuel nozzles. The fuel nozzles were examined, and the No. 3 nozzle had a small piece of unidentified material in it and the No. 4 nozzle was totally clogged. The Nos. 1 & 2 nozzles were found clear of debris. No other anomalies were noted with the engine.

Flight

Event TypeAccident
Event Time13:05 CST
Nearest Airport0nm
Flight Plan FiledNone
Aircraft FireNo
Aircraft ExplosionNo

Aircraft

AircraftPiper PA-28R-200
Tail NumberN9420N
Aircraft CategoryAir
DamageSubstantial
OperatorSpace Cadets
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsLycoming · IO-360-C1C · Reciprocating · 200
Seats4

People & Injuries

Injury SummaryNo injuries (1 uninjured)
Fatal0
Serious0
Minor0
Uninjured1
Total1
Crew 1Age 76 · Second Class · None

Conditions

ConditionsVMC
LightDaylight
Wind90°
Visibility10 sm
CeilingNone
Temperature / Dew Point50 / 30 C
Altimeter0
Observation Time13:30
Weather SourceWFAC

Appendix: Source Data