Service difficulty report · Turbocharger

Difficulty date
November 20, 2009
Submitted
December 21, 2009
Operation
General aviation
Part
Turbocharger
Part number
4091709001
Part serial
MDR00147
Condition
Mismanufactured
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

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

What was found

BOTH TURBOCHARGERS WERE INCORRECTLY ASSEMBLED IAW TURBOCHARGER OVERHAUL MANUAL 400660-000, REV A VOLUME 1 & 2, PAGE 2-670-01, ITEM 26 (WASHER) WAS ON THE WRONG SIDE OF THE BEARING. ITEM 26 WAS INSTALLED ON THE TURBINE WHEEL SIDE OF BEARING ITEM 25.