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NTSB Report
July 14, 2022 · Cessna P337H · N5GY
Monongahela, PA
Overview
Report Status
Probable Cause
Event Type
Accident
Date
July 14, 2022
Injury Outcomes
No injuries (1 uninjured)
Location
Monongahela, PA
Aircraft
Cessna P337H (1978)
Tail Number
N5GY
Injuries
None
Aircraft Damage
Substantial
NTSB Number
ERA22LA316
According to the pilot, during the landing roll as he applied the brakes, he observed they felt “very soft.” As he continued to apply full pressure, he experienced a very low deceleration rate. He continued to pump the brakes with minimum results and executed turns to attempt to slow the airplane down. The airplane continued to roll and exited the runway before colliding with an embankment. A postaccident examination of the airplane revealed the left wing and fuselage were substantially damaged. An examination of the braking system revealed that a brake line under the floorboard was leaking hydraulic fluid. Given this information, it is likely that the degraded braking action the pilot reported during the landing was the result of the leaking brake line.
NTSB Probable Cause
The malfunction of the braking system fluid line, which resulted in an overrun of the runway.
Full Narrative
According to the pilot, during the landing roll as he applied the brakes, he observed they felt “very soft.” As he continued to apply full pressure, he experienced a very low deceleration rate. He continued to pump the brakes with minimum results and executed turns to attempt to slow the airplane down. The airplane continued to roll and exited the runway before colliding with an embankment. A postaccident examination of the airplane revealed the left wing and fuselage were substantially damaged. An examination of the braking system revealed that a brake line under the floorboard was leaking hydraulic fluid. Given this information, it is likely that the degraded braking action the pilot reported during the landing was the result of the leaking brake line.
Flight
Event TypeAccident
Event Time15:52 EDT
Nearest AirportRostraver (0nm ESE)
Runway26
Runway Length4000 ft
Runway Width75 ft
Flight Plan FiledNone
Flight Plan ActivatedNo
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftCessna P337H
Tail NumberN5GY
Aircraft CategoryAir
DamageSubstantial
Operating RulePart 91
Engines2
Engine TypeReciprocating
Engine DetailsContinental · TSIO-360-CB5B · Reciprocating · 225 | Continental · TSI0-360-CB6B · Reciprocating · 225
Seats4
People & Injuries
Injury SummaryNo injuries (1 uninjured)
Fatal0
Serious0
Minor0
Uninjured1
Total1
Crew 1Age 68 · Third Class · None
Conditions
ConditionsVMC
LightDaylight
WindCalm
Visibility10 sm
CeilingBroken clouds 5500 ft
Temperature / Dew Point55 F
Altimeter30.11 inHg
Observation Time15:53
Weather SourceWFAC