# SDR USAA040890

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 19, 2004
- Submitted: December 10, 2004
- Operation: Air carrier
- Aircraft: N516AU
- Make and model: Boeing 737-3B7
- Registry model: [Boeing 737-3B7](https://openairdocs.org/model/boeing-737-3b7) (OpenAirDocs)
- Aircraft serial: 23702
- Engine: Cfmint CFM563B2
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Stiffener
- Condition: Cracked
- Location: Lbb6.15 To663.45
- 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/USAA040890

## Discrepancy

PIT- Q5 - VERTICAL STIFFENER, .7500 INCH CRACK, VERTICAL STIFFENER OF LBBL 6.15 TO 663.45.  REPLACED VERTICAL STIFFENER OF LBBL 6.15 TO 663.45.  REPLACED VERT STIFFENER IAW EA 79313/ EO5704V245 (DRAFT).

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