# SDR USAA2009042891012

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 4, 2009
- Submitted: April 28, 2009
- Operation: Air carrier
- Aircraft: [N441US](https://openairdocs.org/aircraft/N441US), registered now
- Make and model: Boeing 737-4B7
- Registry model: [Boeing 737-4B7](https://openairdocs.org/model/boeing-737-4b7) (OpenAirDocs)
- Aircraft serial: 24812
- Aircraft time: 50,086 hours, 35,130 cycles
- System (JASC): [5311 · Fuselage Main, Frame](https://openairdocs.org/jasc/5311)
- Part: Frame
- Part number: 65C323521
- 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/USAA2009042891012

## Discrepancy

SAL - Q6 - MAJOR REPAIR - CRACK ON FRAME AT HOLE EDGE AT BS 500F AT S21R.  REPAIRED FRAME AT BS 500F AT S21R IAW B737 SRM 53-00-07.

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