# SDR USAA2013071200007

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 6, 2013
- Submitted: July 12, 2013
- 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: 59,988 hours, 41,222 cycles
- System (JASC): [5542 · Rudder, Plate/Skin](https://openairdocs.org/jasc/5542)
- Part: Skin
- Part number: 65C2584151
- Part serial: AW332
- Condition: Eroded
- Location: Rudder
- Part time: 29,673 hours, 18,366 cycles
- 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/USAA2013071200007

## Discrepancy

Q5 CHECK - 17 AREAS OF EROSION TO COMPOSITE TO RT SIDE OF RUDDER SKIN FROM RUDDER STA 0.00 TO STA 234.89.  REPLACED RUDDER IAW JC 03C70827007.

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