# SDR UPS04443490

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 29, 2004
- Submitted: November 15, 2004
- Operation: Air carrier
- Aircraft: N521UP
- Make and model: Boeing 747-200
- Registry model: [Boeing 747-200](https://openairdocs.org/model/boeing-747-200) (OpenAirDocs)
- Aircraft serial: 21944
- Aircraft time: 73,613 hours, 17,591 cycles
- System (JASC): [5711 · Wing Spar](https://openairdocs.org/jasc/5711)
- Part: Spar
- 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/UPS04443490

## Discrepancy

INSPECTION TYPE: C, RIGHT WING - MID SPAR UPPER CHORD FASTENER (1EA) EDGE FOUND CRACK BETWEEN WS 382 TO WS 411.  RIGHT WING - MID SPAR UPPER CHORD REPAIRED AS PER SRM 57-10-06 FIG 5, JUST AT WS 382-411.

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