Service difficulty report · Sleeve · Aespzo AT4LSA

Difficulty date
December 23, 2011
Submitted
December 23, 2011
Operation
General aviation
Aircraft
N701CF
Make and model
Aespzo AT4LSA
Aircraft serial
23707
Aircraft time
778 hours
Engine
Rotax ROTAX912ULS
Engine time
778 hours
Part
Sleeve
Condition
Missing
Location
Flex Hose
Component
Flex Hose
Component part number
FUB386
Stage of operation
AP
How discovered
O
Nature of condition
Y
Precautionary procedure
A

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

What was found

ENGINE SURGED LIKE IT WAS STARVED FOR FUEL AND THEN QUIT. ENGINE WAS RESTARTED IN-FLIGHT BUT WITH THE SAME RESULT. AIRCRAFT WAS MANUFACTURED WITHOUT FIRESLEEVE ON ANY OF THE FUEL HOSES IN THE ENGINE COMPARTMENT. THESE FUEL HOSES WERE OVER 4 YEARS OLD AND WERE BECOMING STIFF AND CRACKED.