Service difficulty report · Intercostal · Boeing 7377H4

Difficulty date
November 15, 2021
Submitted
December 7, 2021
Operation
Air carrier
Aircraft
N451WN
Make and model
Boeing 7377H4
Aircraft serial
32495
Aircraft time
58,865 hours, 34,665 cycles
Part
Intercostal
Condition
Cracked
Location
Fuselage
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 INTERCOSTAL LOC. ON PRESSURE BULKHEAD BS1016 ; 2021-512167 / [01] TOOL USED CALIPER P/N 700-113-10 S/N 0023246 DUE DATE 23-SEP-22; [02] REPLACED INTERCOSTAL LOC. ON PRESSURE BULKHEAD BS1016 IAW B737-700 SRM 51-10-02 ITEM 9 ; 51-40-02 AND DRAWING # 148A0922 REV :-; [03] REPLACED INTERCOSTAL LOC. ON PRESSURE BULKHEAD BS1016 IAW B737-700 SRM 51-10-02 ITEM 9 ; 51-40-02 AND DRAWING # 148A0922 REV :-.. RII ITEM

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