Service difficulty report · Stringer · Boeing 737

Difficulty date
September 20, 2021
Submitted
April 28, 2022
Operation
Air carrier
Aircraft
N448WN
Make and model
Boeing 737
Aircraft serial
33721
Aircraft time
58,879 hours, 34,833 cycles
Part
Stringer
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

SUPPLEMENTAL INFORMATION: CRACK ACCESS DOOR CUT OUT STRINGER FLANGE 22L AND BS1040 AT LOWER FUSELAGE ; 2021-430114 / [11] INSTALLED NEW STRINGER 22L LOCATED BETWEEN BS 1016 TO BS 1040 AT LOWER FUSELAGE IAW B737-700 SRM 51-10-02 ; 51-40-02 AND DWG 148A3310 REV-; [12] REPLACED STRINGER 22L LOCATED BETWEEN BS 1016 TO BS 1040 AT LOWER FUSELAGE IAW B737-700 SRM 51-10-02 ; 51-40-02 AND DWG 148A3310 REV-; [13] STEP 11 COMPLETED AND CERTIFIED AS RII.; [14] REPLACED STRINGER 22L LOCATED BETWEEN BS 1016 TO BS 1040 AT LOWER FUSELAGE IAW B737-700 SRM 51-10-02 ; 51-40-02 AND DWG 148A3310 REV-