Service difficulty report · Structure · Boeing 7377H4

Difficulty date
June 13, 2024
Submitted
July 18, 2024
Operation
Air carrier
Aircraft
N251WN
Make and model
Boeing 7377H4
Aircraft serial
32510
Aircraft time
59,313 hours, 35,831 cycles
Part
Structure
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 INNER CHORD ON BS 303.9 AND LBL 55 AT FWD GALLEY AREA 2024-393039<[01] REPLACED INNER CHORD AND FASTENERS LOCATED BTW BS 277 TO BS 360 AND LBL 55 AT FWD GALLEY AREA IAW B737-700 SRM 51-40-08 AND DRAWING 141A8110 SHEET 9;REV 9 SEE INDIVIDUAL STEPS BELOW.;[02] CORRECTED STEP 1.REPLACED INNER CHORD AND FASTENERS LOCATED BTW BS 277 TO BS 360 AND LBL 55 AT FWD GALLEY AREA IAW B737-700 SRM 51-40-02 AND DRAWING 141A8110 SHEET 9;REV A SEE INDIVIDUAL STEPS BELOW.;[03] REPLACED INNER CHORD AND FASTENERS LOCATED BTW BS 277 TO BS 360 AND LBL 55 AT FWD GALLEY AREA IAW B737-700 SRM 51-40-02 AND DRAWING 141A8110 SHEET 9;REV A SEE INDIVIDUAL STEPS BELOW.;[04] CORRECTED STEP 3<BR>REPLACED INNER CHORD AND FASTENERS LOCATED BTW BS 277 TO BS 360 AND LBL 55 AT FWD GALLEY AREA IAW B737-700 SRM 51-40-02 AND DRAWING 141A8110 SHEET 9;REV A <BR>RII<BR>SEE INDIVIDUAL STEPS BELOW.

More about the Boeing 737-7H4