Service difficulty report · Angle · Boeing 7377H4

Difficulty date
February 14, 2023
Submitted
March 1, 2023
Operation
Air carrier
Aircraft
N231WN
Make and model
Boeing 7377H4
Aircraft serial
32499
Aircraft time
57,095 hours, 34,112 cycles
Part
Angle
Condition
Cracked
Location
Zn 100 Fus Lower
Stage of operation
IN
How discovered
9
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

CRACK FOUND ON LOWER ATTACH ANGLE(WL 193) AT STA 663 FROM APPROX RBL 45-48<[01] REMOVED THE REPAIR THAT WAS ORIGINALLY INSTALLED PER NRC X381997 AND INSTALLED A NEW REPAIR PER EA 23-157-00522. INSPECTION THRESHOLD DEFINED IN EA 23-157-00522-DTI;[02] VERIFIED STEP 1<BR>AUDIT CW

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