# SDR SWAA2021032454402

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 24, 2021
- Submitted: March 24, 2021
- Operation: Air carrier
- Aircraft: [N438WN](https://openairdocs.org/aircraft/N438WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 29833
- Aircraft time: 60,260 hours, 35,552 cycles
- System (JASC): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Stringer
- Condition: Cracked
- Location: Fuselage
- 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/SWAA2021032454402

## Discrepancy

CRACK STRINGER 23R LOC BS 540 AT FWD CARGO COMPARTMENT / REPAIRED STRINGER 23R LOC. BS 540 AT FWD CARGO COMPARTMENT IAW B737-700 SRM 53-00-03-2R-1 REPAIR 1 MATERIAL USED:STRINGER SECTION (1EA) 7075-T6 0.036'; PO:2020-214270; CHANNEL (1EA) 7075-T6 0.040'; PO:2020-203286 AND REPAIR ANGLE (2EA) 7075-T6 0.040'; PO:2020-203286

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