NTSB Identification: FTW88FA064.
The docket is stored on NTSB microfiche number 37526.
Accident occurred Thursday, February 11, 1988 in LAPLACE, LA
Probable Cause Approval Date: 09/25/1989
Aircraft: PIPER PA-32-260, registration: N4882S
Injuries: 2 Uninjured.

NTSB investigators either traveled in support of this investigation or conducted a significant amount of investigative work without any travel, and used data obtained from various sources to prepare this aircraft accident report.

PLT WAS IN LEVEL CRZ FLT AT NIGHT WHEN HE OBSERVED SPARKS AND FLAME COMING FROM THE ENG COWLING. SHORTLY THEREAFTER, THE ENG BEGAN RUNNING ROUGH AND THEN SEIZED. AFTER DECLARING AN EMERGENCY AND BEING CLEARED STRAIGHT IN TO A RUNWAY ABOUT 28 MILES AWAY, THE PLT DECIDED THAT HE COULD NOT MAKE THE RWY AND EXECUTED AN EMERG LNDG ON AN UNLIGHTED STRETCH OF INTERSTATE HWY. DRNG THE LNDG ROLL, THE RT WING STRUCK A GUARD RAIL AND THE ACFT VEERED RT, COLLAPSING THE MLG. INVESTIGATION REVEALED THAT THE NO. 3 CYL HAD SEPARATED INTO 2 PIECES AS A RESULT OF A FATIGUE CRACK THAT HAD INITIATED AT THE INNER DIAMETER OF THE CYL. THE CAUSE OF THE FATIGUE INITIATION COULD NOT BE DETERMINED. EVIDENCE INDICATED THAT THE CYL FATIGUE CRACK HAD BEEN THERE FOR SOME TIME, MORE THAN THE 26 HRS THAT HAD ELAPSED SINCE THE LAST 100 HR INSP.

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

POWERPLANT..SEIZED

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

ENGINE ASSEMBLY,CYLINDER..FAILURE,TOTAL

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

MAINTENANCE,100-HOUR INSPECTION..INADEQUATE..OTHER MAINTENANCE PERSONNEL

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

ENGINE ASSEMBLY,CYLINDER..FATIGUE


Contributing Factors

LIGHT CONDITION..DARK NIGHT


Contributing Factors

OBJECT..WALL/BARRICADE


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