# SDR USAA070207

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 15, 2007
- Submitted: March 15, 2007
- Operation: Air carrier
- Aircraft: [N423US](https://openairdocs.org/aircraft/N423US), registered now
- Make and model: Boeing 737401
- Aircraft serial: 23990
- Aircraft time: 49,240 hours, 49,240 cycles
- System (JASC): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Stringer Splice
- Condition: Cracked
- Location: Bs 908 S4l
- 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/USAA070207

## Discrepancy

S4L SPLICE CRACKED AROUND 2 RIVETS AT STA 908L.  DEFECTIVE PART REPLACED WITH IDENTICAL PART PER SRM 53-10, DEFECT SIZE: .250 INCH.

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