# SDR IPXA2025120152731

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 14, 2025
- Submitted: December 5, 2025
- Operation: Air carrier
- Aircraft: [N294UP](https://openairdocs.org/aircraft/N294UP), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48472
- Aircraft time: 93,671 hours, 18,581 cycles
- System (JASC): [5542 · Rudder, Plate/Skin](https://openairdocs.org/jasc/5542)
- Part: Skin
- Condition: Corroded
- Location: Rudder
- Component: Rudder, Doug
- Component part number: NMC6019503
- 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/IPXA2025120152731

## Discrepancy

TOP RUDDER RT SIDE LOWER AREA HAS MULTIPLE CORRODED FASTENERS AND CORROSION AROUND SMALL ACCESS PNL.  REMOVED AND REPLACED UPPER AFT RUDDER IAW AMM 27-20-30/401. REV 98.

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