Service difficulty report · Blade · Boeing 737990ER

Difficulty date
March 20, 2020
Submitted
March 24, 2020
Operation
Air carrier
Aircraft
N461AS
Make and model
Boeing 737990ER
Aircraft serial
36363
Aircraft time
23,656 hours, 7,598 cycles
Engine
Cfmint CFM567B27E
Part
Blade
Part number
3400010360
Part serial
DM091038
Condition
Defective
Location
Engine
Part time
21,327 hours, 8,058 cycles
Stage of operation
IN
How discovered
U
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 PERFORMING ULTRA SOUND INSP ON FAN BLADES FOUND #5 BLADE TO HAVE A SUSPECT INDICATION DISCREPANT AREA IS MARKED. GROUNDED - YES. REMOVED AND REPLACED #5 AND 17 FAN BLADES REF B737-900 AMM 72-21-02.