# SDR IPXA2025100255936

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 11, 2025
- Submitted: October 7, 2025
- Operation: Air carrier
- Aircraft: [N275UP](https://openairdocs.org/aircraft/N275UP), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48774
- Aircraft time: 64,210 hours, 17,330 cycles
- System (JASC): [5730 · Wing, Plate/Skin](https://openairdocs.org/jasc/5730)
- Part: Doubler
- Part number: ARB28931
- 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/IPXA2025100255936

## Discrepancy

L/H WING. FIXED L/E INNER SKIN BEADED DOUBLER LOCATED APPROX STA XORS 506 HAS CRACK.  OUT OF SEQUENCE STEP 3 C/W IAW UPS RII GMM 04-02.  ACCOMPLISHED REPAIR PER MD-11 SRM 57-40-02-2R FIGURE 205 REPAIR 15 REV 71

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