Service difficulty report · Gusset · Boeing 7377H4

Difficulty date
March 16, 2023
Submitted
April 24, 2023
Operation
Air carrier
Aircraft
N957WN
Make and model
Boeing 7377H4
Aircraft serial
41528
Aircraft time
38,518 hours, 23,626 cycles
Part
Gusset
Condition
Cracked
Location
Zn 200 Fus Top
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 ON FWD CARGO BAY GUSSET AT BS 500D STRINGER 19L.<[01] PRIOR TO REMOVAL;FOUND PART TO HAVE NO SRM LIMITS AND SO PART IS REPAIRABLE BY REPLACEMENT;PER SRM 51-10-02 STEP 9.;[02] REMOVED GUSSET CRACKED AT BS 500D;STR. 19L;IAW SRM 51-40-02.;[03] RECIVED NEW GUSSET ITEM 143A9483-6. LOCATED AND DRILLED NEW GUSSET AT BS 500D STR 19L; IAW 737-700 SRM 51-40-05-0G-0 DWG 143A7902.-;[04] OK TO INSTALL;[05] VERIFIED CORRECTIVE ACTIONS #1 - #3<BR>OK TO INSTALL GIVEN;[06] INSTALLED NEW GUSSET ITEM 143A9483-6; BS 500D; STR 19L. IAW 737-700 SRM 51-40-02 AND DWG 143A7902.-;[07] VERIFIED CORRECTIVE ACTION #6;[08] CHANGED REPAIR TYPE TO MINOR;[09] APPLIED SEALEN ON GUSSET AND FASTENERS; BS 500D STR 19 L IAW AMM 51-31-00-390-805 AND AMM 51-31-00-390-803;[10] MEASUREMENT TABLE VERIFIED

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