# SDR ASAA0640652

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 31, 2006
- Submitted: June 1, 2006
- Operation: Air carrier
- Aircraft: [N778AS](https://openairdocs.org/aircraft/N778AS), registered now
- Make and model: Boeing 737-4Q8
- Registry model: [Boeing 737-4Q8](https://openairdocs.org/model/boeing-737-4q8) (OpenAirDocs)
- Aircraft serial: 25110
- Aircraft time: 42,339 hours, 23,865 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Doubler
- Part number: 65605529
- Condition: Cracked
- Location: Bs 361
- 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/ASAA0640652

## Discrepancy

FOUND CRACK ON CIRCUMFERENTIAL DOUBLERS.  REPLACED DOUBLER PER EA 5310 02638.

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