# SDR EE4Y2020090701594

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 7, 2020
- Submitted: September 7, 2020
- 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: N305GT
- Make and model: Boeing 737-4H6
- Registry model: [Boeing 737-4H6](https://openairdocs.org/model/boeing-737-4h6) (OpenAirDocs)
- Aircraft serial: 27674
- Aircraft time: 47,097 hours, 39,420 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Web
- Part number: 65454214
- Condition: Corroded
- Location: Bs 540
- 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/EE4Y2020090701594

## Discrepancy

DURING SCHEDULED MAINTENANCE AT THE COOPESA MAINTENANCE FACILITY IN SAN JOSE, COSTA RICA (SJO), THE WING CENTER SECTION FRONT SPAR WEB AT BS 540.00 AND LBL 8 WAS FOUND TO HAVE CORROSION DAMAGE.  WAS REPAIRED PER ENGINEERING AUTHORIZATION Nº 32-2020-118 AND DOCUMENTED UNDER JOB: A1J170 NRI 1-41.

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