Vehicle report

1985 CROWN SCHOOL BUS

Defect investigations

2 actions

EA89029 · EA

SEATS Investigation

SUMMARY:SCHOOL DISTRICT REPORTS EXTENDED SEAT BACKS ARE BREAKING AWAYFROM THE SEATS SOLID FRAME.SEAT BACK SEPARATION COULD HAVE A DETRIMENTALEFFECT ON THE VEHICLES COMPARTMENTALIZATION PRINCIPLE IN THE EVENT OF ASERIOUS ACCIDENT.COMPARTMENTALIZATION, AS OUTLINED IN THE STANDARD, REQUIRES STRENGTH INTHE ENTIRE SEATING SYSTEM WHICH INCLUDES THE FLOOR, THE SEAT FRAME AND THEFASTENING OF THE FRAMES TO THE FLOOR WHILE AT THE SAME TIME PROVIDING SEATSYSTEM PADDING AND FLEXIBILITY TO ABSORB ENERGY IN A CRASH.CROWN CLAIMS THE FAILURES RESULT FROM ABUSE AND ARE ISOLATED.A RECENTTELEPHONE CONVERSATION WITH THE FLEET INVOLVED INDICATED THAT 43 ADDITIONALSEATS WERE RECENTLY REMOVED (BY CROWN) FOR WELDING REPAIRS.===

PE89115 · PE

SEATS Investigation

SUMMARY:SCHOOL DISTRICT REPORTS EXTENDED SEAT BACKS ARE BREAKING AWAYFROM THE SEATS SOLID FRAME.SEAT BACK SEPARATION COULD HAVE A DETRIMENTALEFFECT ON THE VEHICLES COMPARTMENTALIZATION PRINCIPLE IN THE EVENT OF ASERIOUS ACCIDENT.COMPARTMENTALIZATION, AS OUTLINED IN THE STANDARD, REQUIRES STRENGTH INTHE ENTIRE SEATING SYSTEM WHICH INCLUDES THE FLOOR, THE SEAT FRAME ANDTHE FASTENING OF THE FRAMES TO THE FLOOR WHILE AT THE SAME TIME PROVIDINGSEAT SYSTEM PADDING AND FLEXIBILITY TO ABSORB ENERGY IN A CRASH.===

Reading this report

Complaint counts are reports filed with NHTSA, not failure rates. A common model collects more of them than a rare one that breaks more often.