SDR ASAA2019020728115

Service difficulty report · Blade · Boeing 737890

Difficulty date: February 7, 2019
Submitted: February 9, 2019
Operation: Air carrier
Aircraft: N568AS
Make and model: Boeing 737890
Aircraft serial: 35183
Aircraft time: 45,779 hours, 13,866 cycles
Engine: Cfmint CFM567B27
System (JASC): 7230 · Turbine Engine Compressor Section
Part: Blade
Part number: 3400010260
Condition: Worn
Location: Nr 1 Engine
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 TASK CARD, S/N 894424 FOUND MISSING AND CHIPPED CU-NI-IN COATING BEYOND LIMITS OF AREA X. BLADES NR 1 DD459254-L NR 6 S/N DD458565-G NR 11 S/N DD458388-Y NR 21 S/N DD456868-U. GROUNDED - YES. REPLACED NR 1 ENGINE FAN BLADES NR 1, 6, 11 & 21 AND THEIR PAIR BLADES NR 13, 18, 23 & 9 RESPECTIVELY.