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NTSB Report
January 22, 1992 · Piper PA-28-140 · N107EH
Denton, TX
Overview
Report Status
Probable Cause
Event Type
Accident
Date
January 22, 1992
Injury Outcomes
No injuries (3 uninjured)
Location
Denton, TX
Aircraft
Piper PA-28-140
Tail Number
N107EH
Operator
Thomas a Tweeddale
Injuries
None
Aircraft Damage
Substantial
NTSB Number
FTW92LA059
DURING INITIAL CLIMB THE ENGINE LOST POWER TO BETWEEN 1500 RPM AND 1800 RPM. SAFETY BOARD INVESTIGATION OF THE ENGINE REVEALED THE NUMBERS TWO AND FOUR TOP SPARK PLUGS SHOWED LEAD FOULING. THE WIRING HARNESS PLUG LEAD WAS LOOSE ON THE NUMBER THREE BOTTOM PLUG. THE RIGHT EXHAUST PIPE WAS CORRODED AND DETERIORATED AND SHOWED EVIDENCE OF LEAKAGE IN THE AREA OF CONNECTION TO THE MUFFLER. BURNT AREAS ON THE NUMBER ONE CYLINDER FINS AROUND THE EXHAUST GASKET SHOWED EVIDENCE OF LEAKAGE. ACCORDING TO THE OWNER/PILOT, THE AIRPLANE LAST RECEIVED AN ANNUAL INSPECTION THREE MONTHS AND 73 HOURS PRIOR TO THE ACCIDENT. DURING THE FORCED LANDING ROLL THE AIRPLANE COLLIDED WITH A FENCE AND CAME TO REST IN A DITCH.
NTSB Probable Cause
FOULED SPARK PLUGS, LOOSE SPARK PLUG IGNITION LEAD, EXHAUST LEAK, AND CYLINDER LEAK. FACTORS WERE AN INADEQUATE ANNUAL INSPECTION, POOR MAINTENANCE, AND OPERATION BY THE PILOT WITH KNOWN MECHANICAL DEFICIENCIES.
Full Narrative
DURING INITIAL CLIMB THE ENGINE LOST POWER TO BETWEEN 1500 RPM AND 1800 RPM. SAFETY BOARD INVESTIGATION OF THE ENGINE REVEALED THE NUMBERS TWO AND FOUR TOP SPARK PLUGS SHOWED LEAD FOULING. THE WIRING HARNESS PLUG LEAD WAS LOOSE ON THE NUMBER THREE BOTTOM PLUG. THE RIGHT EXHAUST PIPE WAS CORRODED AND DETERIORATED AND SHOWED EVIDENCE OF LEAKAGE IN THE AREA OF CONNECTION TO THE MUFFLER. BURNT AREAS ON THE NUMBER ONE CYLINDER FINS AROUND THE EXHAUST GASKET SHOWED EVIDENCE OF LEAKAGE. ACCORDING TO THE OWNER/PILOT, THE AIRPLANE LAST RECEIVED AN ANNUAL INSPECTION THREE MONTHS AND 73 HOURS PRIOR TO THE ACCIDENT. DURING THE FORCED LANDING ROLL THE AIRPLANE COLLIDED WITH A FENCE AND CAME TO REST IN A DITCH.
Flight
Event TypeAccident
Event Time16:45 CST
Nearest AirportHidden Valley Airport (1nm S)
Runway16
Runway Length2000 ft
Runway Width100 ft
Flight Plan FiledNone
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftPiper PA-28-140
Tail NumberN107EH
Aircraft CategoryAir
DamageSubstantial
OperatorThomas a Tweeddale
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsLycoming · O-320-E3D · Reciprocating · 150
Seats4
People & Injuries
Injury SummaryNo injuries (3 uninjured)
Fatal0
Serious0
Minor0
Uninjured3
Total3
Crew 1Age 47 · First Class
Conditions
ConditionsVMC
LightDaylight
Wind290° @ 11 kt
Visibility12 sm
CeilingNone
Temperature / Dew Point57 / 41 C
Altimeter29.00 inHg
Observation Time22:55
Weather SourceWFAC