# SDR CALA2017072802392

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 25, 2017
- Submitted: July 28, 2017
- Operation: Air carrier
- Aircraft: [N518UA](https://openairdocs.org/aircraft/N518UA), registered now
- Make and model: Boeing 757222
- Aircraft serial: 24871
- Aircraft time: 91,796 hours, 26,331 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Part number: 141N33124
- Condition: Cracked
- Location: Bs 412
- 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/CALA2017072802392

## Discrepancy

CROWN EDDY CURRENT FOUND A 1 INCH CRACK AT STRINGER 4L, BS 412. CONFIRMED CRACK IAW HFEC AND CONFIRMED CRACK IS AS STATED THRU EXT SKIN.  REPAIR ACCOMPLISHED IAW ECRA5310-07165

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