Service difficulty report · Intercostal · Boeing 7377H4

Difficulty date
October 11, 2023
Submitted
November 8, 2023
Operation
Air carrier
Aircraft
N907WN
Make and model
Boeing 7377H4
Aircraft serial
36619
Aircraft time
51,137 hours, 29,886 cycles
Part
Intercostal
Part number
UNKNOWN
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 UPPER ANGLE OF WEB INTERCOSTAL LOCATED ON FLOOR STRUCTURE BTW BS 380 TO BS 400 AND APROX BL0 ON PAX CABIN 2023-637759<[01] REPLACED UPPER ANGLE OF WEB INTERCOSTAL LOCATED ON FLOOR STRUCTURE BTW BS 380 TO BS 400 AND APROX BL0 ON PAX CABIN I.A.W B737-700 SRM 51-40-02 AND DWG 143A5400 SHEET 92 REV -. SEE INDIVIDUAL SIGN OFF BELOW;[02] REPLACED UPPER ANGLE OF WEB INTERCOSTAL LOCATED ON FLOOR STRUCTURE BTW BS 380 TO BS 400 AND APROX BL0 ON PAX CABIN I.A.W B737-700 SRM 51-40-02 AND DWG 143A5400 SHEET 92 REV -. SEE INDIVIDUAL SIGN OFF BELOW<BR>RII CERTIFIED;[03] JOB COMPLETED AS RII IN STEP 2.

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