Service difficulty report · Oil Filter · Mtsbsi MU2B26A

Difficulty date
July 4, 2026
Submitted
July 5, 2026
Operation
General aviation
Aircraft
N892SC
Make and model
Mtsbsi MU2B26A
Aircraft serial
392SA
Aircraft time
3,122 hours, 11,109 cycles
Engine
Garrtt TPE3310T
Engine time
11,109 hours
Propeller
Hartzl HCB4TN5
Part
Oil Filter
Part number
8941172
Condition
Cracked
Location
Nr 1 Eng
Stage of operation
TX
How discovered
O
Nature of condition
K, J
Precautionary procedure
O

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

What was found

THIS OIL FILTER ADAPTER HOUSING WAS REPLACED AT TAE AEROSPACE IN NOVEMBER 2025. IN OCTOBER 2025, OWNER WAS EXPERIENCING A SLIGHT OIL LEAK FROM THE #1 ENGINE AND GLOBAL MX, CRS 1VUR633D AT KHZL, COULD NOT DETERMINE THE CAUSE. GLOBAL MX REMOVED THE ENGINE AND SHIPPED TO TAE AEROSPACE FOR INSPECTION TO DETERMINE THE CAUSE OF THE LEAK. TAE AEROSPACE DETERMINED IT WAS THE OIL FILTER ADAPTER HOUSING WAS CRACKED AND THEY REPLACED IT. SHOWN ON THE 8130, IT WAS REMOVED FROM A SERVICEABLE ENGINE AND INSPECTED PRIOR TO INSTALLATION ON THE #1 ENGINE. THE ORIGINAL OIL FILTER ADAPTER FOUND CRACKED BY TAE AEROSPACE IS UNKNOWN WHEN IT WAS INSTALLED. THERE ARE NO MAINTENANCE RECORDS SHOWING IT WAS EVER REPLACED SO IT IS BELIEVED IT WAS THE ORIGINAL PART. THE ENGINE WAS SHIPPED BACK TO GLOBAL MX FOR REINSTALLATION, RETURNED TO SERVICE IN NOVEMBER 2025.