Service difficulty report · Blade · Boeing 737890

Difficulty date
July 29, 2018
Submitted
July 31, 2018
Operation
Air carrier
Aircraft
N570AS
Make and model
Boeing 737890
Aircraft serial
35185
Aircraft time
43,672 hours, 12,986 cycles
Engine
Cfmint CFM567B27
Part
Blade
Part number
3400010260
Part serial
DD462400V
Condition
Damaged
Location
Nr 2 Engine
Part time
36,910 hours, 10,979 cycles
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 T/C 78472002 ENG NR 2 S/N 894523 FOUND NR 4 FAN BLADE C/C SIDE CU-NI-IN COATING CHIPPED & MISSING MEASURED AT 1.2. FOUND PLATFORM ELASTOMER SEALS TORN & UNBONDED TOTALING 45 INCHES. FOUND 10 SPACERS WITH DISBONDED ELASTOMER STRIPS. GROUNDED - YES. REMOVED AND REPLACED NR 4 AND NR 16 FAN BLADES NR 4 FOR CU-NI-IN COATING CHIPPED NR 16 BECAUSE ITS PAIR. IAW MTX T/C 78472002 (FAN BLADE LUBRICATION) ON ENG NR 2 SN: 894523. REMOVED AND REPLACED FAN BLADE PLATFORMS ON ENG NR 2 SN 894523 IAW MTX T/C 78472002 ( FAN BLADE LUBRICATION ) QTY 24 PLATFORMS. REMOVED AND REPLACED FAN BLADE SPACERS QTY-24 IAW MTX TASK CARD 78472002 (FAN BLADE LUBRICATION) ON ENG NR 2 SN:894523.