As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TURBOCHARGER REPLACED FOR LOW BOOST. MFG OVERHAULED TURBOCHARGER, INSTALLED AND GROUND RUN ACCOMPLISHED. GROUND PERFORMANCE SATISFACTORY. DURING FLIGHT, LOW BOOST CONDITION NOTED. INSPECTION OF TURBOCHARGING SYSTEM REVEALED TURBINE WHEEL TIP RUB AND EXCESSIVE SHAFT PLAY. OVERHAULED TURBO HAD ACHIEVED 20-25 MINUTES OPERATION PRIOR TO FAILURE. TURBINE SHAFT BEARINGS FAILED. UNIT RETURNED TO MFG 10-29-95. ACFT TOTAL: 2,721.6 HOURS.