# SDR USAA05001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 18, 2005
- Submitted: February 27, 2006
- Operation: Air carrier
- Aircraft: [N448US](https://openairdocs.org/aircraft/N448US), registered now
- Make and model: Boeing 737-4B7
- Registry model: [Boeing 737-4B7](https://openairdocs.org/model/boeing-737-4b7) (OpenAirDocs)
- Aircraft serial: 24892
- Aircraft time: 40,066 hours, 27,150 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- 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/USAA05001

## Discrepancy

A 1.5 INCH CRACK AT LBS 727D + 2 INCHES; S23L (BELOW EMERGENCY EGRESS LIGHT).  INSTALLED DOUBLER PER SRM 53-00-01 FIG 231.

---
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.