Service difficulty report · Shim · Boeing 737990ER

Difficulty date
April 10, 2017
Submitted
April 12, 2017
Operation
Air carrier
Aircraft
N492AS
Make and model
Boeing 737990ER
Aircraft serial
44110
Aircraft time
5,398 hours, 1,850 cycles
Engine
Cfmint CFM567B27E
Part
Shim
Part number
3402523070
Condition
Worn
Location
Nr 1 Fan
Stage of operation
IN
How discovered
V
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

WHILE ACCOMPLISHING A FAN BLADE LUBRICATION ON THE NR 1 ENGINE, FOUND SHIMS WORN. ACFT GROUNDED. REMOVED AND REPLACED THE FAN BLADE SHIMS.