Service difficulty report · Bulkhead · Maule MX7180A

Difficulty date
July 2, 2010
Submitted
July 2, 2010
Operation
General aviation
Aircraft
N952SM
Make and model
Maule MX7180A
Aircraft serial
21074C
Aircraft time
1,790 hours
Engine
Lyc O360C4F
Engine time
1,790 hours
Propeller
Snsnch 76EM8
Part
Bulkhead
Part number
C2367
Condition
Cracked
Location
Prop Spinner
Part time
94 hours
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

FWD SPINNER BULKHEAD AND SPINNER DOME FOUND CRACKED. THIS WAS THE NEW DESIGN MFG FWD SPINNER BULKHEAD PN C2367 WITH THE MFG ADAPTER PLATE PN A1235 INSTALLED. SEVERAL CRACKS WERE FOUND AROUND THE ATTACH HOLES ON THE BULKHEAD PANEL. TOTAL TIME ON SPINNER DOME AND FWD SPINNER BULKHEAD WERE 95.3 HOURS SINCE THEY WERE INSTALLED NEW. THIS PROBLEM IS CONTINUOUS WITH THE 5 OF THESE ACFT WE OPERATE AND CHANGE FWD SPINNER BULKHEADS REGULARLY DURING INSPECTIONS.

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