# SDR USAA070286

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 18, 2007
- Submitted: April 18, 2007
- Operation: Air carrier
- Aircraft: N421US
- Make and model: Boeing 737401
- Aircraft serial: 23988
- Aircraft time: 49,912 hours, 49,912 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Condition: Worn
- Location: Bs 1156 S12r
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAA070286

## Discrepancy

FOUND SKIN WORN STA 1156 S12R LOWER LT AFT HORIZ STAB ATTACH CUT OUT.  REMOVED AND FABRICATED NEW PER DWG 65-48240, MSM 10-11, DEFECT SIZE: 1/2" AREA.

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