# SDR 97ZZZM725

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 6, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Filed by: [Marana Aerospace Solutions Inc, repair station ERKR675D](https://openairdocs.org/faa-repair-station/ERKR675D/marana-aerospace-solutions-inc.md) (OpenAirDocs)
- Aircraft: N482EV
- Make and model: Boeing 747 212B
- Registry model: [Boeing 747 212B](https://openairdocs.org/model/boeing-747-212b) (OpenAirDocs)
- Aircraft serial: 20713
- System (JASC): [5730 · Wing, Plate/Skin](https://openairdocs.org/jasc/5730)
- Part: Skin
- Condition: Corrosion
- Location: Ws 564
- 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/97ZZZM725

## Discrepancy

DURING C-CHECK INSPECTION DISCOVERED CORROSION ON THE LEFT WING LOWER SKIN FORWARD OF THE FRONT SPAR LOWER CHORD AT APPROX WING STATION 564.  REPAIRED BY SPLICING IN A NEW SECTION OF REINFORCEMENT STRAP AND INSTALLING A REPAIR DOUBLER AT THE THE LOCATION OF THE CORROSION BLENDOUTS.  ACCOMPLISHED IAW EIAA, ENGINEERING CHANGE/REPAIR AUTHORIZATION NR 482-57-113-2.  (M)

---
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, except the copies of manufacturers’ service documents, which belong to their rights holders.