Service difficulty report · Intercostal · Boeing 7377H4

Difficulty date
June 1, 2023
Submitted
June 29, 2023
Operation
Air carrier
Aircraft
N960WN
Make and model
Boeing 7377H4
Aircraft serial
36675
Aircraft time
38,108 hours, 23,248 cycles
Part
Intercostal
Part number
UNKNOWN
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

CRACKED INTERCOSTAL AT PASSENGER CABIN BS380+14 LBL13 WL208.<[01] DRILLED FASTENERS AND REMOVED INTERCOSTAL IAW SRM 51-40-02;[02] CERTIFY;[03] UPDATED MEASUREMENT TABLE;[04] RECEIVED NEW ANGLE PER CUSTOMER RO: N923207-SWA;[05] VERIFIED CORRECTIVE ACTION 4;[06] LOCATED AND DRILLED NEW PART IAW SRM 51-40-05. APPLIED CHEMICAL CONVERSION COATING IAW SOPM 20-43-03;[07] CERTIFIED CORRECTIVE ACTION 6;[08] VERIFIED CORRECTIVE ACTIONS 5-6<BR>OK TO APPLY PRIMER ON INTERCOSTAL GIVEN;[09] APPLIED PRIMER IAW SOPM 20-41-02.<BR>OK TO INSTALL.;[10] CERTIFIED CORRECTIVE ACTION 9;[11] VERIFIED CORRECTIVE ACTION 9<BR>OK TO INSTALL INTERCOSTAL GIVEN;[12] INSTALLED NEW PART IAW SRM 51-40-02 AND BOEING DWG 143A5400.;[13] CERTIFIED CORRECTIVE ACTION 12;[14] CORRECTED MEASUREMENT TABLE ITEM 6;[15] VERIFIED CORRECTIVE ACTION 12 AND MEASUREMENT TABLE

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