Service difficulty report · Metering Unit · Dorner DO328100

Difficulty date
June 6, 1999
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N430JS
Make and model
Dorner DO328100
Aircraft serial
3044
Engine
Pwa PW119B
Propeller
Hartzl HDE6C3B
Part
Metering Unit
Part number
AC69963
Condition
Failed
Location
Brake Syst
Part time
4,605 hours
Stage of operation
TX
Nature of condition
O
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

THE AIRCRAFT BRAKES WERE REPORTED BY THE CREW TO PULSATE AND WERE UNSAFE WHEN APPLIED AT LOW AND HIGH SPEEDS. MAINTENANCE INSPECTED AND REPLACED THE BRAKE METERING UNIT, IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 32-42-03. OPERATIONAL CHECKS WERE COMPLETED, AND THE AIRCRAFT WAS RELEASED FROM MAINTENANCE.