Service difficulty report · Blade · Boeing 7377H4

Difficulty date
March 15, 2025
Submitted
March 18, 2025
Operation
Air carrier
Aircraft
N483WN
Make and model
Boeing 7377H4
Aircraft serial
32472
Aircraft time
69,466 hours, 35,515 cycles
Engine
Cfmint CFM567B242
Part
Blade
Condition
Worn
Location
Zone 400
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

#1 ENGINE FAN BLADE #18 HAS CU-NI-IN COATING FLAKED/WORN BEYOND AREA X ON THE CONCAVE SIDE. #1 ENGINE FAN BLADE #18 HAS CU-NI-IN COATING FLAKED/WORN BEYOND AREA X ON THE CONCAVE SIDE. <[01] R AND R #1 ENGINE FAN BLADE #18 IAW MT 772-21-20; [02] C/W PARTS TRANSACTION; [03] VERIFIED ACCOMPLISHMENT OF UT TASK 772-21-21; [04] VERIFIED ACCOMPLISHMENT OF UT TASK 772-21-21.

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