# SDR SWAA2020072001339

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 8, 2020
- Submitted: July 20, 2020
- Operation: Air carrier
- Aircraft: N700GS
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 27835
- Aircraft time: 77,221 hours, 47,224 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Condition: Cracked
- Location: Bs 608
- 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/SWAA2020072001339

## Discrepancy

0.5 INCH CRACK INDICATION AT CHEM-MILL POCKET AT BS 608 ON STRINGER 4L.  INDICATION DETECTED WITH PART 6; 53-30-25 AND VERIFIED WITH PART 6; 53-30-09 AND PART 4; 53-30-07 IAW SA-M 326 A1131762, A1131764, AND A1131768.   REPAIRED THE CRACK IN SKIN AT BS  608 STR 4L IAW EA 20-153-01038, STAGE I, AND II.

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