# SDR USAA040409

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 5, 2004
- Submitted: September 9, 2004
- Operation: Air carrier
- Aircraft: N780AU
- Make and model: Boeing 737-4B7
- Registry model: [Boeing 737-4B7](https://openairdocs.org/model/boeing-737-4b7) (OpenAirDocs)
- Aircraft serial: 24997
- System (JASC): [5321 · Fuselage Floor Panel](https://openairdocs.org/jasc/5321)
- Part: Floor Panel
- Condition: Cracked
- Location: Fuselage
- Part time: 37,799 hours
- 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/USAA040409

## Discrepancy

PIT - FOUND 1 INCH CRACK, MLG CORRUGATED PRESSURE BEAD FLOORING, BS 665 AT LBL 30.  INSTALLED DOUBLER, FILLERS, ANGLED STIFFENER PER TYPICAL REP 53-60-04 FIG 1.  (M)

---
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, except the copies of manufacturers’ service documents, which belong to their rights holders.