# SDR SWAA2021081291712

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 6, 2021
- Submitted: August 12, 2021
- Operation: Air carrier
- Aircraft: N411WN
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 29821
- Aircraft time: 66,572 hours, 39,411 cycles
- System (JASC): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Stringer
- Condition: Cracked
- Location: Bs 540 S26l
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2021081291712

## Discrepancy

CRACK STRINGER 26L LOCATED BS540 AT FWD CARGO COMPARTMENT (1 EA) ; 2021-311649 / [01] TOOL USED PN: 45MG; SN:130063701; DUE DATE: 11-MAY-22; [02] TOOL USED: TEMPERATURE CONTROLLER P/N P3015 GOES00000 S/N 112031023 DUE DATE: 22-JAN-22; [03] TOOL USED P/N: NORTEC 500D; S/N: N500X12101V022240; DUE DATE: 01-DEC-21.; [04] REPAIRED CRACK STRINGER 26L LOCATED BS540 AT FWD CARGO COMPARTMENT I.A.W B737-700 SRM 53-00-03-2R-1 REPAIR 1 AND DWG# 143A3220 REV -; [05] REPAIRED CRACK STRINGER 26L LOCATED BS540 AT FWD CARGO COMPARTMENT I.A.W B737-700 SRM 53-00-03-2R-1 REPAIR 1 AND DWG# 143A3220 REV - RII; [06] REPAIRED CRACK STRINGER 26L LOCATED BS540 AT FWD CARGO COMPARTMENT I.A.W B737-700 SRM 53-00-03-2R-1 REPAIR 1 AND DWG# 143A3220 REV - RII

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