# SDR USAA040920

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 4, 2004
- Submitted: December 13, 2004
- Operation: Air carrier
- Aircraft: N435US
- Make and model: Boeing 737-4B7
- Registry model: [Boeing 737-4B7](https://openairdocs.org/model/boeing-737-4b7) (OpenAirDocs)
- Aircraft serial: 24557
- Engine: Cfmint CFM563B2
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Condition: Incorrect
- Location: Fuselage
- Part time: 41,420 hours
- 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/USAA040920

## Discrepancy

PIT - Q1- SKIN, 12 INCH BY 6 INCH INCORRECT DOUBLER REPAIR, FRAME ST 344 S19R.  OLD DOUBLER REMOVED AND NEW DOUBLER INSTALLED TO COMPLY WITH NEW SRM DIRECTIONS IAW SRM 53-00-01, FIG 231.

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