# SDR USAA070275

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 12, 2007
- Submitted: April 12, 2007
- Operation: Air carrier
- Aircraft: N421US
- Make and model: Boeing 737401
- Aircraft serial: 23988
- Aircraft time: 49,912 hours, 49,912 cycles
- System (JASC): [5754 · Leading Edge Devices](https://openairdocs.org/jasc/5754)
- Part: Skin
- Part number: 65C26603102A
- Condition: Delaminated
- Location: L/E Slat
- 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/USAA070275

## Discrepancy

INBOARDD SIDE OF NR 4 SLAT, UPPER SIDE OF WEDGE PANEL DELAMINATED.  INSTALLED NEW CORE & SKIN PER SRM 57-43-02, 51-70-10, DEFECT SIZE:  3 INCHES.

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