# SDR EE4Y2019062009077

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 20, 2019
- Submitted: June 20, 2019
- Operation: General aviation
- Filed by: [Cooperativa Autogestionaria de Servicios Aeroindus, repair station EE4Y151M](https://openairdocs.org/faa-repair-station/EE4Y151M/cooperativa-autogestionaria-de-servicios-aeroindus.md) (OpenAirDocs)
- Aircraft: N622SW
- Make and model: Boeing 737-3H4
- Registry model: [Boeing 737-3H4](https://openairdocs.org/model/boeing-737-3h4) (OpenAirDocs)
- Aircraft serial: 27932
- Aircraft time: 67,441 hours, 53,222 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Stiffener
- Condition: Cracked
- Location: Bs 663
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/EE4Y2019062009077

## Discrepancy

CENTER WING BOX, BS 663.75, LBL 6.15 AFT VERTICAL STIFFENER CRACKED. THE STIFFENERS WERE REPLACED PER INSTRUCTIONS PROVIDED ON BOEING SR 3-4352744815.

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