# SDR USAA020198

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 22, 2002
- Submitted: September 16, 2002
- Operation: Air carrier
- Aircraft: [N394US](https://openairdocs.org/aircraft/N394US), registered now
- Make and model: Boeing 737-3B7
- Registry model: [Boeing 737-3B7](https://openairdocs.org/model/boeing-737-3b7) (OpenAirDocs)
- Aircraft serial: 23316
- System (JASC): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Stringer
- Condition: Cracked
- Location: Fuselage
- Part time: 46,636 hours
- 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/USAA020198

## Discrepancy

PIT - FOUND SHELF WITH .25 INCH CRACK ON EACH SIDE OF FASTENER, AFT END OF S18 LEFT SHELF AT AFT INBOARD FASTENER.  REPLACED 18A SHELF ASSEMBLY PER SRM 51-40-02.  (M)

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