# SDR USAA040466

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 18, 2004
- Submitted: September 24, 2004
- Operation: Air carrier
- Aircraft: N529AU
- Make and model: Boeing 737-3B7
- Registry model: [Boeing 737-3B7](https://openairdocs.org/model/boeing-737-3b7) (OpenAirDocs)
- Aircraft serial: 2441
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Condition: Cracked
- Location: Keelbeam
- Part time: 48,045 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/USAA040466

## Discrepancy

PIT - FOUND KEEL BEAM SKIN CRACKED .5 INCH, KEEL BEAM SKIN STATION 684 RBL 6.  DOUBLER INSTALLED PER SRM 53-60-12 FIG 202.  (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.