Service difficulty report · Spacer · Boeing 737990ER

Difficulty date
January 16, 2021
Submitted
January 20, 2021
Operation
Air carrier
Aircraft
N495AS
Make and model
Boeing 737990ER
Aircraft serial
41728
Aircraft time
18,455 hours, 5,854 cycles
Engine
Cfmint CFM567B27E
Part
Spacer
Part number
3400012620
Condition
Debonded
Location
Nr 1 Eng 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 T/C 78472010 NR 1 ENGINE FOUND, 12 FAN BLADE SPACERS DISBONDED ELASTIROMERIC MATERIAL. GROUNDED-YES. REPLACED 12 EA FAN BLADE SPACERS ON NR 1 ENGINE, REF T/C 78472010.