# SDR USAA040012

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 1, 2004
- Submitted: April 7, 2004
- Operation: Air carrier
- Aircraft: N391US
- Make and model: Boeing 737-3B7
- Registry model: [Boeing 737-3B7](https://openairdocs.org/model/boeing-737-3b7) (OpenAirDocs)
- Aircraft serial: 23313
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Door Frame
- Condition: Cracked
- Location: Fuselage
- Part time: 51,807 hours
- 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/USAA040012

## Discrepancy

PIT - FOUND FRAME CRACKED .5 INCH, LOWER AFT CORNER UNDER DOOR STOP FITTING.  SPLICED IN NEW FRAME SECTION, REPLACED CORNER ANGLE AND DOUBLER PER SRM 51-70-11.  (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.