Service difficulty report · Attach Angle · Boeing 7377H4

Difficulty date
May 5, 2023
Submitted
May 18, 2023
Operation
Air carrier
Aircraft
N243WN
Make and model
Boeing 7377H4
Aircraft serial
34863
Aircraft time
56,458 hours, 33,945 cycles
Part
Attach 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 ATTACH ANGLE STA 663 AT LBL 40 (WL 167)<[01] REMOVED 663 LBL 40 WL 167 ATTACH ANGLE IAW SRM 57-10-10-2R-5 REPAIR 5;[02] HFEC IAW B737 NDT PART 6; 51-00-00 PROC 16. NO DEFECTS NOTED. TOOL#31823; DUE 03JAN24;[03] VERIFIED ITEM 3 OF STEP 2;[04] VERIFIED ITEM OF STEP 7;[05] VERIFIED ITEM 9 OF STEP 7;[06] THE DAMAGE WAS REPAIRED PER 737-700 SRM 57-10-10-2R-5 (REPAIR 5) AND EA 23-157-01526.';[07] JOB COMPLETE; AUDIT C/W;[08] JOB COMPLETE; AUDIT C/W

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