NTSB Identification: DEN88LA027.
The docket is stored on NTSB microfiche number 35276.
Accident occurred Monday, November 23, 1987 in BROOMFIELD, CO
Probable Cause Approval Date: 12/27/1988
Aircraft: PIPER PA-24-180, registration: N7291P
Injuries: 1 Uninjured.

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 PRIVATE PILOT WAS FLYING TO BUILD TIME. AFTER AN HOUR OF FLIGHT, THE PLT RETURNED TO THE HOME AIRPORT AND ATTEMPTED TO LAND. LANDING GEAR WOULD NOT EXTEND PROPERLY AND MANUAL GEAR EXTENSION DID NOT HELP. ALL GEAR WAS PARTIALLY EXTENDED AND WOULD NOT RETRACT. A LANDING WAS MADE ON RUNWAY 11L. A POST ACCIDENT INSPECTION REVEALED EVIDENCE OF IMPROPER AND UNDOCUMENTED MAINTENANCE IN THE LANDING GEAR SYSTEM.

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

LANDING GEAR..FAILURE,PARTIAL

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

MAINTENANCE..IMPROPER..UNQUALIFIED PERSON

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

LANDING GEAR,EMERGENCY EXTENSION ASSEMBLY..BINDING(MECHANICAL)

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