Service difficulty report · Stringer · Boeing 737

Difficulty date
December 3, 2021
Submitted
April 28, 2022
Operation
Air carrier
Aircraft
N234WN
Make and model
Boeing 737
Aircraft serial
32502
Aircraft time
52,359 hours, 31,270 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: CRACKED STRINGER AT AREA AFT OF FCB BS540 S-25R WL157. MARKED ; / [01] UPDATED STEPS 1& 2.; [02] VERIFIED CORRECTIVE ACTIONS 1 AND 2.; [03] RECEIVED STRINGER REPAIR SECTION; FOR STR 25R; APPROXIMATELY BS500D+10 - 540; PER P.O.#848376. RECEIVED U-CHANNEL REPAIR SECTION PER P.O.#848379. RECEIVED 2 EA J-CHANNEL REPAIR ANGLES PER P.O.#848377.; [04] VERIFIED CORRECTIVE ACTIONS STEP 3.; [05] LOCATED ; DRILLED; TRIMMED; DEBURRED REPAIR PARTS PER SRM 53-00-03-2R-1; AND EA 21-153-03642-WIP 1.; [06] VERIFIED LOCATED ; DRILLED; TRIMMED; DEBURRED REPAIR PARTS PER SRM 53-00-03-2R-1; AND EA 21-153-03642-WIP 1.; [07] OK TO INSTALL REPAIR PARTS.; [08] VERIFIED OK TO INSTALL REPAIR PARTS.; [09] COMPLETED STEPS 1 AND 2; [10] COMPLETE; [11] ISSUED SUMMARY EA 21-153-03642; [12] REPAIRED STRINGER AS PER EA 21-153-03642 WIP-1.; [13] COMPLETE.