Service difficulty report · Structure · Boeing 7377H4

Difficulty date
June 9, 2021
Submitted
July 26, 2021
Operation
Air carrier
Aircraft
N441WN
Make and model
Boeing 7377H4
Aircraft serial
29837
Aircraft time
60,855 hours, 35,873 cycles
Part
Structure
Condition
Cracked
Location
Bs 312
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 LOCATED BS 312 AND AT LEVEL STRINGER 17L AT FWD GALLEY AREA ; 2021-269643 / [01] REPLACED INNER CHORD LOCATED BS 312 AND AT LEVEL STRINGER 17L AT FWD GALLEY AREA IAW B737-700 SRM 51-10-02 ITEM 9 AND DWG 141A8110 SHEET 9 REV A; AND SHEET 11 REV -; AND DWG 140A9810 SHEET 48 REV-.; [02] REPLACED INNER CHORD LOCATED BS 312 AND AT LEVEL STRINGER 17L AT FWD GALLEY AREA IAW B737-700 SRM 51-10-02 ITEM 9 AND DWG 141A8110 SHEET 9 REV A; AND SHEET 11 REV -; AND DWG 140A9810 SHEET 48; [03] REPLACED INNER CHORD LOCATED BS 312 AND AT LEVEL STRINGER 17L AT FWD GALLEY AREA IAW B737-700 SRM 51-10-02 ITEM 9 AND DWG 141A8110 SHEET 9 REV A; AND SHEET 11 REV -; AND DWG 140A9810 SHEET 48 REV -; [04] REPLACED INNER CHORD LOCATED BS 312 AND AT LEVEL STRINGER 17L AT FWD GALLEY AREA IAW B737-700 SRM 51-10-02 ITEM 9 AND DWG 141A8110 SHEET 9 REV A; AND SHEET 11 REV -; AND DWG 140A9810 SHEET 48 REV - RII

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