# SDR EIAA970215

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 29, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N480EV
- Make and model: Boeing 747121
- Aircraft serial: 20348
- System (JASC): [5730 · Wing, Plate/Skin](https://openairdocs.org/jasc/5730)
- Part: Skin
- Condition: Corroded
- Location: Ws 816-830
- Part time: 93,006 hours
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/EIAA970215

## Discrepancy

MZJ - DURING C-CHECK INSPECTION DISCOVERED EXFOLIATION CORROSION ON THE UPPER SURFACE OF THE LEFT WING SKIN BETWEEN WS 816 TO WS 830 ALONG THE TRAILING EDGE AND RESPECTIVELY IN THE AREA COMMON TO THE REAR WING SPAR.  REPAIRED BY BLENDING AWAY CORROSION, REMOVING FASTENERS, ROTOPEENING THE AFFECTED AREAS, INSTALLING NEW FASTENERS AND RESTORING FINISH.  REPAIRED IAW EVERGREEN INT'L AIRLINES ECRA NR 480-57-067-2.  (X)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.