Service difficulty report · Shim · Boeing 737990ER

Difficulty date
February 18, 2017
Submitted
February 21, 2017
Operation
Air carrier
Aircraft
N491AS
Make and model
Boeing 737990ER
Aircraft serial
44109
Aircraft time
4,984 hours, 1,702 cycles
Engine
Cfmint CFM567B27E
Part
Shim
Part number
3402523060
Condition
Worn
Location
Nr 1 Engine
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 FAN BLADE LUBRICATION CARD 78472002 FOUND BLADE SHIMS WORN ON ENGINE 1. GROUNDED - YES. REMOVED AND REPLACED FAN BLADE SHIMS IAW TASK CARD 78472002 ON ENGINE 1.