Service difficulty report · Stringer · Boeing 737*

Difficulty date
September 29, 2021
Submitted
November 4, 2021
Operation
Air carrier
Aircraft
N557WN
Make and model
Boeing 737*
Aircraft serial
30166
Aircraft time
66,485 hours, 32,340 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

CRACKED STRINGER AT AREA AFT OF FCB BS540 S-23R WL164. MARKED ; / [21] INSTALLED REPLACEMENT STRINGER SECTION BS 500D+12 TO 540 AND HAT SECTION REPAIR BS 500D+4 TO 500D+16 STR 23R/H WL 164 IAW SRM 53-00-03-2R-1 AND SRM 51-40-02 AND EA NO: 21-153-02931 REV A; [22] REPAIR COMPLETE; [23] VERIFIED INSTALLED REPLACEMENT STRINGER SECTION BS 500D+12 TO 540 AND HAT SECTION REPAIR BS 500D+4 TO 500D+16 STR 23R/,NG,NRC,2021-10-25 16:05:41,22Y,Y,MX,0,0,,CRACKED STRINGER AT AREA AFT OF FCB BS540 S-23R WL164. MARKED ;"