# SDR SWAA2020022021795

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 20, 2020
- Submitted: May 4, 2022
- Operation: Air carrier
- Aircraft: [N552WN](https://openairdocs.org/aircraft/N552WN), registered now
- Make and model: Boeing 737-7BX
- Registry model: [Boeing 737-7BX](https://openairdocs.org/model/boeing-737-7bx) (OpenAirDocs)
- Aircraft serial: 30744
- Aircraft time: 59,169 hours, 33,658 cycles
- System (JASC): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Stringer
- Condition: Cracked
- Location: Aft Cargo Floor
- 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/SWAA2020022021795

## Discrepancy

SUPPLEMENTAL INFORMATION: FWD CARGO; AFT PIT; STA540; STR23; LBL42. STR HAS A CRACK AT THE LAST TWO FASTENERS. MARKED / CRACKED STRINGER AT BS540; S23L; RBL42 WAS REPAIRED IAW ATS ER 20-02188 REV IR DATED 30MAR20 AND EA20-153-00026 REV IR.

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