# SDR ASAA2022110440766

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 4, 2022
- Submitted: November 15, 2022
- Operation: Air carrier
- Aircraft: [N570AS](https://openairdocs.org/aircraft/N570AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35185
- Aircraft time: 57,346 hours, 17,103 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor Support
- Part number: 141A541012
- Condition: Cracked
- Location: Bs 312-328
- 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/ASAA2022110440766

## Discrepancy

FWD MAIN CABIN FLOOR STRUCTURE, INTERCOSTAL CRACKED AT 2 EA SPOTS AROUND FSTNR HOLES, BS312-BS328 RBL-32. GROUNDED - YES. REMOVED CRACKED INTERCOSTAL IAW B737-800 SRM 51-40-02. DRILLED TO FIT NEW INTERCOSTAL IAW B737-800 SRM 51-40-05 AND BAC DWG 141A5400 REV-. INSTALLED NEW INTERCOSTAL IAW B737-800 SRM 51-40-02 AND BAC DWG 141A5400 REV-

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.