SDR ASAA2019041989054

Service difficulty report · Blade · Boeing 737890

Difficulty date: April 18, 2019
Submitted: April 20, 2019
Operation: Air carrier
Aircraft: N579AS
Make and model: Boeing 737890
Aircraft serial: 35187
Aircraft time: 46,104 hours, 13,678 cycles
Engine: Cfmint CFM567B27
System (JASC): 7220 · Turbine Engine Air Inlet Section
Part: Blade
Part number: 3400010260
Condition: Worn
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

WHILE ACCOMPLISH TC 78472010 ON #2 ENGINE S/N 802325 FOUND MISSING /CHIPPED CU-N1-IN BEYOND AREA X ON FWD CONVEX SIDE OF BLADES 2-9,11,12,14,15,18 AND 20-24 PER AMM 72-21-02-200-801-F01. GROUNDED - YES. REPLACED ALL 24 FAN BLADES ON #2 ENGINE REF T/C 78472010 CFM56-7 FAN BLADE LUBRICATION.