# SDR SWAA2021110539300

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 2, 2021
- Submitted: November 5, 2021
- Operation: Air carrier
- Aircraft: [N749SW](https://openairdocs.org/aircraft/N749SW), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 29801
- Aircraft time: 75,776 hours, 44,311 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Condition: Cracked
- Location: Fuselage
- 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/SWAA2021110539300

## Discrepancy

FUSELAGE SKIN SUBSURFACE CRACK INDICATIONS AT BS 500D+8 TO 500D+11 ABOVE STR4L USING 737 NDT PART 6;53-30-25. CONFIRMED SUBSURFACE CRACK INDICATION USING OPTION 1&4 OF TTG8Q005VW3 ; FSELAGE SKIN SSRFACE CRACK INDICATIONS AT BS 500D+8 TO 500D+11 AOVE STR4L SING 737 NDT PART 6;53-30-25. CONFIRMED SSRFACE CRACK INDICATION SING OPTION 1 (737 NDT PART 6; 53-30-18) & OPTION 4 (737 NDT PART 4; 53-30-07TR 04-07) OF TTG8Q005VW3 /

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