# SDR UPS04843524

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 3, 2004
- Submitted: November 22, 2004
- Operation: Air carrier
- Aircraft: N798UP
- Make and model: Doug DC-8-71F
- Registry model: [Doug DC-8-71F](https://openairdocs.org/model/douglas-dc-8-71f) (OpenAirDocs)
- Aircraft serial: 45898
- Aircraft time: 67,297 hours, 25,713 cycles
- System (JASC): [5730 · Wing, Plate/Skin](https://openairdocs.org/jasc/5730)
- Part: Skin
- Condition: Corroded
- Location: Rt Wing
- 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/UPS04843524

## Discrepancy

RT WING UPPER SKIN CORRODED AROUND HILOCK AT XRS554, ABOVE S54.  NDT VERIFIED MATERIAL THICKNESS AT CORROSION REMOVAL SITE RANGED FROM .090-0.125.  CUT OUT CORROSION SITE REF SRM 57-2-1 FIG28.  FABRICATED DOUBLER AND FILLER FROM SHT7075T6-.190, MACHINED FILLER TO MATCH THICKNESS, INSTALLED AND SEALED CONICAL WASHERS AND REPAIR PARTS REF SRM 57-2-1 FIG 28, 51-1-20D, 51-1-8, 51-1-20B, 51-1-15.

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