# SDR SWAA2022041885146

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 17, 2022
- Submitted: April 18, 2022
- Operation: Air carrier
- Aircraft: [N947WN](https://openairdocs.org/aircraft/N947WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 36924
- Aircraft time: 38,976 hours, 23,532 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Intercostal
- 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/SWAA2022041885146

## Discrepancy

*****MAIN CABIN FWD WET AREA FLOOR SUPPORT INTERCOSTAL CRACK AT UPPER FLANGE AROUND FASTENER HOLE @RBL-12 BETWEEN STA 340-STA 360. / [01] REMOVED INTERCOSTAL AT MAIN CABIN FLOOR STRUCTURE STA 340-STA 360 RBL 12' AS REF. B737-700 SRM 51-40-02-0G-0.;[02] LOCATED AND DRILLED NEW INTERCOSTAL AS REF. B737-700 SRM 51-10-02-0G-0.;[03] VERIFIED STEP #1.;[04] OK TO INSTAL NEW INTERCOSTAL;[05] VERIFIED STEP #3.;[06] STARTED INSTALLATION OF NEW INTEROSTAL AT MAIN CABIN FLOOR STUCTURE BWTEEN STA 340-STA 360 RBL-12;[07] STARTED INSTALLATION OF NEW INTEROSTAL AT MAIN CABIN FLOOR STUCTURE BWTEEN STA 340-STA 360 RBL-12 AS REF. B737-700 SRM 51-40-02-0G-0 AND DAWING NUMBER 141A5400.;[08] INSTALLED NEW INTEROSTAL AT MAIN CABIN FLOOR STUCTURE BWTEEN STA 340-STA 360 RBL-12 AS REF. B737-700 SRM 51-40-02-0G-0 AND DAWING NUMBER 141A5400.;[09] VERIFIED STEPS 6;7 AND 8;[10] VERIFIED STEPS COMPLETE

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