# SDR SWAA2021042859742

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 28, 2021
- Submitted: April 28, 2021
- Operation: Air carrier
- Aircraft: [N443WN](https://openairdocs.org/aircraft/N443WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 29838
- Aircraft time: 60,053 hours, 35,289 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Structure
- Condition: Cracked
- Location: Bs 303 S17l
- 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/SWAA2021042859742

## Discrepancy

CRACK INNER CHORD LOCATED BS 303.9 AT LEVEL STRINGER 17L AT PASSENGER CABIN / REPLACED INNER CHORD LOCATED AT LEVEL STRINGER 17L BTW BS.270 TO BS 360 AT PASSENGER CABIN IAW B737-700 SRM 51-40-02; 51-10-02 ITEM 9 AND DWG 141A8110 SHEET 9 TO 11; REV A; PART NUMBER USED: 654A0004-1073

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