# SDR USAA2010010790046

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 7, 2010
- Submitted: January 7, 2010
- Operation: Air carrier
- Aircraft: [N422US](https://openairdocs.org/aircraft/N422US), registered now
- Make and model: Boeing 737401
- Aircraft serial: 23989
- Aircraft time: 57,131 hours, 38,297 cycles
- System (JASC): [5755 · Spoilers](https://openairdocs.org/jasc/5755)
- Part: Skin
- Part number: 654645168
- Part serial: MA10810
- Condition: Delaminated
- Location: Spoiler
- 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/USAA2010010790046

## Discrepancy

CLT - C4 - MAJOR REPAIR - DELAMINATION ON NR 9 SPOILER UPPER SKIN BETWEEN WS 447 TO WS 499.  REPLACED NR 9 SPOILER IAW B737 AMM 27-62-91.

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