SDR ASAA2018020723453

Service difficulty report · Blade · Boeing 737890

Difficulty date: February 7, 2018
Submitted: February 8, 2018
Operation: Air carrier
Aircraft: N529AS
Make and model: Boeing 737890
Aircraft serial: 35198
Aircraft time: 30,610 hours, 9,181 cycles
Engine: Cfmint CFM567B20
System (JASC): 7220 · Turbine Engine Air Inlet Section
Part: Blade
Part number: 3400010260
Condition: Damaged
Location: Nr 2 Engine 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

DURING T/C 78472002 ON THE NR 2 ENGINE, FOUND BLADES 5, 6, 8, 12, 17, 23 & 24 CU NI IN COATING MISSING BEYOND X ON THE CONVEX SIDE. THE BLADES NR 1 & 10 CU NI IN COATING MISSING BEYOND X ON THE CONCAVE SIDE. ACFT GROUNDED. INSTALLED THE FAN BLADES IAW T/C 78472002.