# SDR USAA2012053100011

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 25, 2012
- Submitted: June 1, 2012
- Operation: Air carrier
- Aircraft: N445US
- Make and model: Boeing 737-4B7
- Registry model: [Boeing 737-4B7](https://openairdocs.org/model/boeing-737-4b7) (OpenAirDocs)
- Aircraft serial: 24863
- Aircraft time: 58,170 hours, 39,947 cycles
- System (JASC): [5414 · Nacelle/Pylon, Plate/Skin](https://openairdocs.org/jasc/5414)
- Part: Skin
- Condition: Cracked
- Location: Pylon
- Stage of operation: IN
- How discovered: E
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAA2012053100011

## Discrepancy

C2 CHECK - CRACK ON PYLON SKIN RIGHT CROWN BETWEEN NAC STA 206 TO STA 215.  REPAIRED PYLON SKIN RIGHT CROWN BETWEEN NAC STA 206 TO STA 215 IAW TYPICAL REPAIR 737-5430-10-0054.

---
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.