# SDR USAA040644

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 18, 2004
- Submitted: October 7, 2004
- Operation: Air carrier
- Aircraft: N514AU
- Make and model: Boeing 737-3B7
- Registry model: [Boeing 737-3B7](https://openairdocs.org/model/boeing-737-3b7) (OpenAirDocs)
- Aircraft serial: 23700
- System (JASC): [5314 · Fuselage Main, Keel](https://openairdocs.org/jasc/5314)
- Part: Keelbeam
- Condition: Worn
- Location: Fuselage
- Part time: 52,643 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/USAA040644

## Discrepancy

PIT - FOUND KEEL BEAM WITH DEEP METAL WEAR .1875 INCH AT FASTENER HOLES, KEEL BEAM LOEWR FLANGE BETWEEN BS 727-704.  INSTALLED STRAP DOUBLER PER EA 79007.  (M)

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