Service difficulty report · Intercostal · Boeing 7377H4

Difficulty date
April 15, 2023
Submitted
May 11, 2023
Operation
Air carrier
Aircraft
N284WN
Make and model
Boeing 7377H4
Aircraft serial
32535
Aircraft time
52,003 hours, 31,287 cycles
Part
Intercostal
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 INTERCOSTAL LOCATED BTW BS 294.5 TO BS 303.9 AT LEVEL STR 15L AT FWD GALLEY AREA 2023-247683<[01] REPLACED INTERCOSTAL LOC BTW BS 294.5 TO BS 303.9 AT LEVEL STR 15L AT FWD GALLEY AREA IAW B737-700 SRM 51-40-02 AND SRM 51-10-02 ITEM 9 AND DWG 141A8180 SHEET 27 REV. C.;[02] CORRECTED STEP 1.<BR>REPLACED INTERCOSTAL LOC BTW BS 294.5 TO BS 303.9 AT LEVEL STR 15L AT FWD GALLEY AREA IAW B737-700 SRM 51-40-02 AND SRM 51-10-02 ITEM 9 AND DWG 141A8180 SHEET 27 REV. C SEE INDIVIDUAL SIGNS OFF BELOW;[03] REPLACED INTERCOSTAL LOC BTW BS 294.5 TO BS 303.9 AT LEVEL STR 15L AT FWD GALLEY AREA IAW B737-700 SRM 51-40-02 AND SRM 51-10-02 ITEM 9 AND DWG 141A8180 SHEET 27 REV. C SEE INDIVIDUAL SIGNS OFF BELOW RII

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