# SDR USAA070460

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 7, 2007
- Submitted: June 7, 2007
- Operation: Air carrier
- Aircraft: N426US
- Make and model: Boeing 737-4B7
- Registry model: [Boeing 737-4B7](https://openairdocs.org/model/boeing-737-4b7) (OpenAirDocs)
- Aircraft serial: 24548
- Aircraft time: 48,535 hours, 48,535 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Condition: Cracked
- Location: Bs 947 S13l
- 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/USAA070460

## Discrepancy

STA 947.5 & S13L AFT ENTRY DOOR LOWER HINGE SKIN CUTOUT HAS CRACK.  FABRICATED DOUBLER & TRIPLER PER TR 53-60-10, EA 98716, DEFECT SIZE:  2 INCHES.

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