NTSB Identification: ATL88LA012.
The docket is stored on NTSB microfiche number 35193.
Accident occurred Wednesday, October 14, 1987 in SCYRENE, AL
Probable Cause Approval Date: 01/11/1989
Aircraft: CESSNA 150H, registration: N22553
Injuries: 2 Minor.
NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.
THE ENGINE LOST PWR DURING A LOW-ALTITUDE POWERLINE PATROL. THE AIRPLANE NOSED OVER DURING THE SUBSEQUENT FORCED LDG. POST-CRASH EXAMINATION OF THE ACFT BY AN FAA INSPECTOR REVEALED THAT THE FUEL TANK VENT SYSTEM WAS OBSTRUCTED WITH MUD-DAUBER NESTS IN SEVERAL PLACES. THE CROSSOVER VENT TUBE, LOCATED IN THE TOP OF THE CABIN, WAS FOUND COMPLETELY BLOCKED. THE LEFT WING VENT TUBE WAS FOUND PARTIALLY BLOCKED. NO EVIDENCE OF MECHANICAL MALFUNCTION OR FAILURE WAS FOUND DURING EXAMINATION OF THE ENGINE. THE ACFT HAD BEEN INVOLVED IN ANOTHER ACCIDENT APPROX 4 MONTHS EARLIER, AND THE WINGS WERE REPORTEDLY REMOVED FROM THE ACFT DURING REPAIRS.
The National Transportation Safety Board determines the probable cause(s) of this accident to be:FUEL SYSTEM,VENT..BLOCKED(TOTAL)
The National Transportation Safety Board determines the probable cause(s) of this accident to be:FLUID,FUEL..STARVATION
MAINTENANCE,REBUILD/REMANUFACTURE..INADEQUATE..COMPANY MAINTENANCE PERSONNEL
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