MOTOR COACH MC9 1978: STRUCTURE:BODY:DOOR

General Information

NHTSA Campaign ID Number: 81V017000

Make Model Year
MOTOR COACH MC9 1978
Date Owners Notified Date Received by ODI Date Added to Database
1981-03-01 1981-01-04 1981-03-11

Production Dates: 1978-11-01 - 1980-12-01

Manufacturers Involved: Motor Coach Industries

Component: STRUCTURE:BODY:DOOR

Potential Number Of Units Affected: 1670

Report Initiator: MFR MFR Report

Regulation Part Number: 571

Federal Motor Vehicle Safety Standard Number: 217

Summary

ROOF HATCHES MAY BE PROPPED OPEN TO ALLOW FOR FRESH AIR VENTILATION. THE PROP MECHANISM WAS DESIGNED TO DISENGAGE WHEN FULL OPENING OF THE HATCH IS REQUIRED TO EXIT. THE RELEASE BUTTON THAT DISENGAGES THE PROP MECHANISM MAY REQUIRE EXCESSIVE FORCE TO RELEASE, WHICH FAILS TO CONFORM TO THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 217, "BUS WINDOW RETENTION AND RELEASE".

Remedy

NEWLY DESIGNED PROP MECHANISMS WILL BE INSTALLED. PARTS WILL BE SUPPLIED AT NO CHARGE AND LABOR WILL BE REIMBURSED.

Notes

VEHICLE DESCRIPTION: INTERCITY BUSES.SYSTEM: STRUCTURE; ROOF EMERGENCY EXITS.CONSEQUENCES OF DEFECT: IN THE EVENT OF AN EMERGENCY, SAFE EXIT FROM THEVEHICLE MAY BE IMPEDED. THERE IS AN INCREASED RISK OF PASSENGER INJURY IFEMERGENCY EXIT THROUGH THE ROOF HATCHES IS REQUIRED.