Service difficulty report · Heat Shield · Dorner DO328300

Difficulty date
May 9, 2019
Submitted
August 17, 2020
Operation
General aviation
Make and model
Dorner DO328300
Aircraft time
13,286 hours
Part
Heat Shield
Part number
AH091447
Condition
Broken
Location
Brakes
Part time
1,872 hours
Component
Brake Assembly · Dunlop
Component part number
AHA22276
Stage of operation
IN
How discovered
9
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

(CAN) AFTER WHEEL REMOVAL DUE TO A WORN TIRE, THE RIGHT INBOARD BRAKE HEAT PACK P/N AH091447 WAS FOUND WITH BROKEN ROTORS AT CLIPS ATTACHMENT. THE AD D-2004-003, THE SB328J-32-169 AND THE DUNLOP SB AHA2227-32-1292 REV. 1 ARE COVERING THIS PROBLEM FOR THE BRAKE ASSEMBLIES P/N AHA2227-3 AND AHA2227-4 AND ARE TERMINATED UPON INSTALLATION OF BRAKE P/N AHA2227-6. THE BRAKE HEAT PACK HAD 1872.3 HOURS AND 2066 LANDING SINCE NEW. THERE WAS NO DAMAGES TO THE WHEEL. THE BRAKE ASSEMBLY P/N AHA2227-6 HAS BEEN REMOVED AND REPLACED BY A SPARE UNIT. THE SPR NO. A107216 HAS BEEN SUBMITTED TO 328 SUPPORT (TC# 20190511001)