# SDR SWAA2023111007549

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 4, 2023
- Submitted: November 10, 2023
- Operation: Air carrier
- Aircraft: N239WN
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 34714
- Aircraft time: 57,648 hours, 34,679 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor Support
- Part number: UNKNOWN
- Condition: Cracked
- Location: Zn 200 Fus Top
- 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/SWAA2023111007549

## Discrepancy

FWD CABIN WET AREA FLOOR SUPPORT INTERCOSTAL CRACKED @ BL-0 BETWEEN STA 380 AND 400 WL 208.1 MKD DOT<[01] REMOVED AND REPLACED ANGLE FLOOR SUPPORT INTERCOSTAL P/N 143A5410-170 PO#:2028887 AT BL 0 BETWEEN STA 380 AND STA 400 WL 208.1 AS PER BOEING 737-700-SRM 51-40-02-0G-0 AND DRAWING 143A5400;[02] VERIFIED STEP 1.

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