Service difficulty report · Spacer · Boeing 737990ER

Difficulty date
March 19, 2019
Submitted
March 20, 2019
Operation
Air carrier
Aircraft
N461AS
Make and model
Boeing 737990ER
Aircraft serial
36363
Aircraft time
19,905 hours, 6,483 cycles
Engine
Cfmint CFM567B27E
Part
Spacer
Part number
3400012620
Condition
Debonded
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

PER T/C 78472010 NR 1 ENGINE FAN LUBE SPACERS NR 4,5,11,12,15,16,17,19 AND 23 ARE DISBONDED AT THE ELASTOMERS. GROUNDED - YES. REMOVED AND REPLACED ALL 24 SPACERS ON NR 1 ENGINE. REF T/C 78472010 FAN BLADE LUBRICATION.