# SDR IPXA2017022814506

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 11, 2017
- Submitted: March 1, 2017
- Operation: Air carrier
- Aircraft: [N581UP](https://openairdocs.org/aircraft/N581UP), registered now
- Make and model: Boeing 747-400
- Registry model: [Boeing 747-400](https://openairdocs.org/model/boeing-747-400) (OpenAirDocs)
- Aircraft serial: 25866
- Aircraft time: 104,615 hours, 17,614 cycles
- System (JASC): [5710 · Wing Main, Frame Structure](https://openairdocs.org/jasc/5710)
- Part: Web
- Part number: 112U20074
- Condition: Cracked
- Location: Rt 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/IPXA2017022814506

## Discrepancy

INSPECTION TYPE: C2, CRACK ON RT WING FRONT SPAR WEB UPPER SIDE NEAR FSSI 655.  REPAIRED IAW SRID 4-3693546718.

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