NTSB Identification: CHI88LA076.
The docket is stored on NTSB microfiche number 37898.
Nonscheduled 14 CFR
Accident occurred Thursday, March 10, 1988 in DIXON, IL
Probable Cause Approval Date: 11/28/1989
Aircraft: PIPER PA-31-350, registration: N4072D
Injuries: 3 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.

AFTER ARRIVING AT HIS DESTN, THE PLT WAS UNABLE TO EXTEND THE LANDING GEAR WITH EITHER THE NORMAL OR EMERGENCY SYSTEMS. HE DIVERTED TO DIXON WHERE HE MADE A WHEELS UP LANDING ON THE SOD NEXT TO RWY 8. A TEARDOWN EXAMINATON OF THE HYDRAULIC POWER PAC WAS MADE. THE EXAM REVEALED THAT MECHANICAL BINDING IN THE LINKAGE DID NOT ALLOW THE LANDING GEAR SELECTOR TO MOVE FAR ENOUGH TO ACTUATE THE VALVE & ALLOW OPN OF THE GEAR.

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

LANDING GEAR,NORMAL RETRACTION/EXTENSION ASSEMBLY..BINDING(MECHANICAL)


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