NTSB Identification: CHI87IA047.
The docket is stored on NTSB microfiche number 32897.
Incident occurred Thursday, December 11, 1986 in PADUCAH, KY
Aircraft: FAIRCHILD SA226TC, registration: N323BA
Injuries: 2 Uninjured.

NTSB investigators used data provided by various sources and may not have traveled in support of this investigation to prepare this aircraft incident report.

JUST AFTER THE BEGINNING OF A DESCENT FOR LANDING A RUDDER CABLE FAILED COMPLETELY, RENDERING THE RUDDER INOPERATIVE. THE AIRCRAFT LANDED UNEVENTFULLY. METALLURGICAL ANALYSIS REVEALED THAT THE CABLE WORE SEVERELY UNTIL IT FAILED. FOLLOWING AN EXAMINATION OF TWO OPERATOR'S SA-226 FLEETS MANY OTHER WORN CONTROL CABLES WERE FOUND. LATER, THE FAA: 1. PUBLISHED A CABLE INSPECTION AIRWORTHINESS DIRECTIVE 2. RECOMMENDED THAT THE MANUFACTURER CLARIFY ITS PUBLISHED CABLE INSPECTION PROCEDURES AND 3. RECOMMENDED THAT AVIATION MAINTENANCE TECHNICIAN SCHOOLS REVIEW THEIR CABLE INSPECTION TEACHING THOROUGHNESS.

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

MAINTENANCE,AAIP/PROGRESSIVE PROGRAM..INADEQUATE..MANUFACTURER

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

INSUFFICIENT STANDARDS/REQUIREMENTS..MANUFACTURER

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

MAINTENANCE,INSPECTION..INATTENTIVE..COMPANY MAINTENANCE PERSONNEL

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

INADEQUATE SUBSTANTIATION PROCESS..COMPANY/OPERATOR MGMT

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

UNSAFE/HAZARDOUS CONDITION..NOT IDENTIFIED..FAA(OTHER/ORGANIZATION)

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

INADEQUATE SURVEILLANCE OF OPERATION..FAA(ORGANIZATION)


Contributing Factors

FLT CONTROL SYST,RUDDER CONTROL..WORN


Contributing Factors

FLT CONTROL SYST,RUDDER CONTROL..FAILURE,TOTAL


Contributing Factors

FLIGHT CONTROL,ELEVATOR TAB..DISABLED

Index for Dec1986 | Index of months