# SDR USAA200708004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 25, 2007
- Submitted: August 28, 2007
- Operation: Air carrier
- Aircraft: N574US
- Make and model: Boeing 737301
- Aircraft serial: 23739
- Aircraft time: 55,746 hours, 39,528 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor Support
- Condition: Cracked
- Location: Fuselage
- 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/USAA200708004

## Discrepancy

A 6 INCH CRACK FOUND - FLOOR SUPPORT CRACKED IN HALF AT AFT CARGO DOOR UPLOCK AT STA 787-807 RBL 19.5.  DEFECTIVE PART REPLACED WITH IDENTICAL PART PER SRM 51-40-02.

---
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.
