# SDR USAA040512

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 24, 2004
- Submitted: September 27, 2004
- Operation: Air carrier
- Aircraft: N434US
- Make and model: Boeing 737-4B7
- Registry model: [Boeing 737-4B7](https://openairdocs.org/model/boeing-737-4b7) (OpenAirDocs)
- Aircraft serial: 24556
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor Support
- Condition: Corroded
- Location: Fuselage
- Part time: 41,214 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/USAA040512

## Discrepancy

PIT - FOUND FLOOR SUPPORT WITH CORROSION .75 INCH IN DIAMETER, AROUND FASTENER HOLE ON FLOOR BOARD SUPPORT 3, AFT SPAR 312, LBL 11.  REPLACED FLOOR SUPPORT PER SRM 51-10-00.  (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.