# SDR SWAA2022092844044

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 20, 2022
- Submitted: September 28, 2022
- Operation: Air carrier
- Aircraft: [N431WN](https://openairdocs.org/aircraft/N431WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 29845
- Aircraft time: 66,939 hours, 39,408 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Intercostal
- Condition: Cracked
- Location: Bs 380-400 Lbl13
- 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/SWAA2022092844044

## Discrepancy

CABIN FLOOR INTERCOSTAL BS 380-400 LBL 13 CRACKED AT UPPER ANGLE SCREW HOLE. 8-50 / [01] REMOVED INTERCOSTAL FROM STA 380-400; LBL 13 AREA AS PER B737-700 SRM 51-40-02-0G-0.;[02] LOCATED AND DRILLED NEW INTERCOSTAL FROM STA 380-400; LBL 13 AREA AS PER B737-700 SRM 51-40-05-0G-0.;[03] VERIFIED STEPS 1 AND 2<BR>OK TO INSTALL INTERCOSTAL;[04] INSTALLED NEW INTERCOSTAL FROM STA 380-400; LBL 13 AREA AS PER B737-700 SRM 51-40-02-0G-0; DWG# 143A5400.;[05] REMOVED AND REPLACED INTERCOSTAL FROM STA 380-400; LBL 13 AREA AS PER B737-700 SRM 51-40-02-0G-0; DWG# 143A5400.;[06] VERIFIED STEPS 4 AND 5

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