# SDR SWAA2024041173254

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 10, 2024
- Submitted: April 11, 2024
- Operation: Air carrier
- Aircraft: [N422WN](https://openairdocs.org/aircraft/N422WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 29826
- Aircraft time: 73,455 hours, 43,549 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Part number: UNKNOWN
- Condition: Cracked
- Location: Bs 559 S1
- 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/SWAA2024041173254

## Discrepancy

FOUND 2 INCH CRACK INDICATION STARTING AT BS 559+9; ENDING AT 559+11; STR S-1.  ACCOMPLISHED CRACK VERIFICATION IN REF TO NDT MANUAL PART 4 53-30-06 UTPA AND NDT MANUAL PART 6 53-30-18 CRACK INSPECTION OF OUTER SKIN AT SUBSURFACE EDGES.  REPAIRED FUSELAGE CROWN SKIN CRACK PER EA 24-153-00957; EA24-153-00957-WIP1; EA24-153-00957-WIP2; EA24-153-00957-WIP3

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