# SDR CNMA2025050001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 5, 2025
- Submitted: May 5, 2025
- Operation: Air carrier
- Aircraft: [N351AX](https://openairdocs.org/aircraft/N351AX), registered now
- Make and model: Boeing 767-33A
- Registry model: [Boeing 767-33A](https://openairdocs.org/model/boeing-767-33a) (OpenAirDocs)
- Aircraft serial: 27908
- Aircraft time: 99,982 hours, 16,197 cycles
- System (JASC): [5713 · Wing, Longeron/Stringer](https://openairdocs.org/jasc/5713)
- Part: Longeron
- Part number: 111T4020U7
- Condition: Cracked
- Location: Zone 500
- 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/CNMA2025050001

## Discrepancy

DURING ACCOMPLISHMENT OF INSPECTION 76AD2012-15-12-G, A CRACK WAS FOUND IN THE LH UNDERWING LONGERON. PER SB 767-57A0126 INSTRUCTIONS, THIS REQUIRES FURTHER INSPECTION OF THE STRUCTURE AND AT MINIMUM REPLACEMENT OF THE UNDERWING LONGERON.

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