# SDR USAA2012041200002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 1, 2012
- Submitted: April 12, 2012
- Operation: Air carrier
- Aircraft: N458UW
- Make and model: Boeing 737-4B7
- Registry model: [Boeing 737-4B7](https://openairdocs.org/model/boeing-737-4b7) (OpenAirDocs)
- Aircraft serial: 25022
- Aircraft time: 56,727 hours, 37,237 cycles
- System (JASC): [5311 · Fuselage Main, Frame](https://openairdocs.org/jasc/5311)
- Part: Frame
- Condition: Cracked
- Location: Zone 100
- 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/USAA2012041200002

## Discrepancy

CDF INSPECTION,  CRACK ON FRAME INNER CHORD AT BS 616, WL 200, LBL 60.00.  REPAIRED FRAME INNER CHORD AT BS 616, WL 200, LBL 60.00 IAW TYPICAL REPAIR 737-5362-10-0023.

---
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.
