Service difficulty report · Blade · Boeing 737990ER

Difficulty date
December 22, 2020
Submitted
December 24, 2020
Operation
Air carrier
Aircraft
N457AS
Make and model
Boeing 737990ER
Aircraft serial
36355
Aircraft time
25,475 hours, 8,225 cycles
Engine
Cfmint CFM567B27E
Part
Blade
Part number
3400010360
Part serial
DM0776929
Condition
Worn
Location
Nr 2 Engine Fan
Part time
25,475 hours, 8,225 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

NR 2 ENGINE S/N 658601 BLADE NR 19 S/N DM077698-3 CU-NI-IN COATING WORN BEYOND LIMITS. GROUNDED-YES. REMOVED AND REPLACED BLADE NR 19 AND ITS PAIR NR 7 ON NR 2 ENGINE, REF T/C 78472010.