# SDR USAA070401

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 23, 2007
- Submitted: May 23, 2007
- Operation: Air carrier
- Aircraft: N420US
- Make and model: Boeing 737401
- Aircraft serial: 23987
- Aircraft time: 50,436 hours, 50,436 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Attach Angle
- 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/USAA070401

## Discrepancy

JUST BELOW S13L AFT SIDE OF BS 360, TOP END OF SKIN TO FRAME ATTACH ANGLE HAS CRACK.  INSTALLED NEW ANGLE PER SRM 51-10-02, DEFECT SIZE:  .25 INCH.

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