# SDR SWAA2023041715780

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 12, 2023
- Submitted: April 17, 2023
- Operation: Air carrier
- Aircraft: [N220WN](https://openairdocs.org/aircraft/N220WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32491
- Aircraft time: 58,003 hours, 34,631 cycles
- System (JASC): [5730 · Wing, Plate/Skin](https://openairdocs.org/jasc/5730)
- Part: Skin
- Condition: Bulged
- Location: Zn 500 Left Wing
- 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/SWAA2023041715780

## Discrepancy

LT WING LOWER MID SPAN T/E PANEL ASSEMBLY 561CB INNER SKIN SHOWS FASTENER HOLES BULGING AS MARKED. 124-014<[01] REPAIRED DAMAGED AREA AT LT WING LOWER MID SPAN T/E PANEL ASSEMBLY 561CB INNER SKIN. REF B737 SRM 51-70-04-2R-9 PARAGRAPH 4. MATERIAL USED GLASS FABRIC REPAIR PLIES PO#: 1694548; RESIN EY3804AB PO#: 1800550 AND GRAY PAINT PO#:2003553.;[02] VERIFIED REPAIR.

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