# SDR EE4Y090220

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 21, 2009
- Submitted: August 21, 2009
- 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: N733TW
- Make and model: Boeing 737-2H4
- Registry model: [Boeing 737-2H4](https://openairdocs.org/model/boeing-737-2h4) (OpenAirDocs)
- Aircraft serial: 22732
- Aircraft time: 72,505 hours, 79,339 cycles
- System (JASC): [5751 · Ailerons](https://openairdocs.org/jasc/5751)
- Part: Skin
- Condition: Delaminated
- Location: Aileron
- Part time: 72,505 hours, 79,339 cycles
- Component: Aleiron, Boeing
- Component part number: 654645423A
- 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/EE4Y090220

## Discrepancy

LEFT WING TRAILING EDGE SECTION, AILERON UPPER SURFACE SKIN DELAMINATED AT STA WBL 518.850 AND WBL 504.

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