Service difficulty report · Lock Nut

Difficulty date
January 28, 2016
Submitted
June 13, 2017
Operation
General aviation
Engine
Ge CF343B1
Part
Lock Nut
Part number
4019T66P01
Condition
Wrong Part
Location
Nr 7 Bearing
Stage of operation
IN
How discovered
9
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

(CAN) UPON DISASSEMBLY OF THE AFFECTED ENGINE AND MODULE ASSY IT WAS DISCOVERED THE PART NUMBER OF THE NO 7 BEARING LOCKNUT REMOVED WAS NOT FOUND IN THE OEM APPROVED IPC. THE PART NUMBER OF THE PART REMOVED WAS 4019T66P01 WHILE THE APPROVED PART NUMBER LISTED IN THE IPC IS 4019T66P02. AFTER DOING A LITTLE RESEARCH IT WAS DISCOVERED THIS PART NUMBER IS APPROVED FOR CF34 NAVAL OR INDUSTRIAL ENGINES.