# SDR USAA060447

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 10, 2006
- Submitted: March 10, 2006
- Operation: Air carrier
- Aircraft: N439US
- Make and model: Boeing 737-4B7
- Registry model: [Boeing 737-4B7](https://openairdocs.org/model/boeing-737-4b7) (OpenAirDocs)
- Aircraft serial: 24781
- Aircraft time: 41,943 hours, 41,943 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Condition: Cracked
- Location: Bs 727d
- 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/USAA060447

## Discrepancy

STATION 727D, STRINGER 23L CRACKED.  FABRICATED REPAIR DOUBLER IAW SRM 53-00-01 FIG 201 DETAIL X1, DEFECT SIZE: 1 INCH.

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