# SDR USAA040923

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 21, 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): [5311 · Fuselage Main, Frame](https://openairdocs.org/jasc/5311)
- Part: Frame
- Condition: Cracked
- Location: Fuselage
- 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/USAA040923

## Discrepancy

PIT - Q1 - FRAME, .2500 INCH CRACK, STA 867 BETWEEN STR 8L AND STR 9L.  INSTALLED DOUBLER IAW TYP REP 53-10-20A.

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