Service difficulty report · Dome Nut · Cessna 750

Difficulty date
December 1, 2008
Submitted
December 18, 2008
Operation
General aviation
Make and model
Cessna 750
Aircraft time
10,737 hours
Engine
Allsn AE3007C
Part
Dome Nut
Part number
NAS1473A3K
Condition
Corroded
Location
Windshield Post
Stage of operation
IN
How discovered
V
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) DURING THE REPLACEMENT OF THE RT WINDSHIELD, DUE TO A BROKEN OUTER PANE, HEAVY CORROSION WAS NOTED COMING OUT OF THE DOME NUTS. THE WINDSHIELD IS INSTALLED FROM THE OUTSIDE AND THE SCREWS ARE HELD IN PLACE BY THESE DOME NUTS THAT RIVETED IN PLACE AROUND THE PERIMETER OF THE FRAME. EACH DOME NUT WAS BOROSCOPED AND FOUND THAT A MAJORITY WERE SPLIT OR CRUMBLED DUE TO CORROSION. ALL DOME NUTS WERE REPLACED AND THE WINDSHIELD RE-INSTALLED.

More about the Cessna 750