Service difficulty report · Spacer · Boeing 737990ER

Difficulty date
August 5, 2020
Submitted
August 6, 2020
Operation
Air carrier
Aircraft
N491AS
Make and model
Boeing 737990ER
Aircraft serial
44109
Aircraft time
18,250 hours, 5,849 cycles
Engine
Cfmint CFM567B27E
Part
Spacer
Part number
3401169310SD
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

NR 1 ENGINE FAN BLADE SPACERS NUMBERS 3, 4, & 23 DEBONDED. GROUNDED - YES. REMOVED AND REPLACED THE NR 1 ENG FAN BLADE SPACERS.