# SDR EIA2006018

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 3, 2006
- Submitted: March 8, 2006
- Operation: Air carrier
- Aircraft: N478EV
- Make and model: Boeing 747-SR-46
- Registry model: [Boeing 747-SR-46](https://openairdocs.org/model/boeing-747-sr-46) (OpenAirDocs)
- Aircraft serial: 21033
- Aircraft time: 35,174 cycles
- System (JASC): [5730 · Wing, Plate/Skin](https://openairdocs.org/jasc/5730)
- Part: Skin
- Condition: Corroded
- Location: Ws 1026-1057 Rt
- 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/EIA2006018

## Discrepancy

CORROSION FOUND ON THE RT WING BETWEEN WS 1026 - 1057 (LES 1046 - 1078).  ECRA 478-57-176-2 INSTRUCTS TO REMOVE CORROSION, ACCOMPLISH NDI INSPECTION, CUT OUT THE DAMAGED WING SKIN MATERIAL AND FABRICATE REPAIR.  THIS REPAIR IS LIMITED TO 135000 HOURS OR 38788 CYCLES WHICHEVER COMES FIRST.

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