# SDR UPS00432179

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 23, 2000
- Submitted: April 14, 2000
- Operation: Air carrier
- Aircraft: N522UP
- Make and model: Boeing 747 212B
- Registry model: [Boeing 747 212B](https://openairdocs.org/model/boeing-747-212b) (OpenAirDocs)
- Aircraft serial: 21936
- Aircraft time: 58,016 hours, 14,146 cycles
- System (JASC): [5730 · Wing, Plate/Skin](https://openairdocs.org/jasc/5730)
- Part: Skin
- Condition: Corroded
- Location: Lt 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/UPS00432179

## Discrepancy

INSPECTION TYPE:C 44. LEFT HAND WING LEADING EDGE CORROSION ON LT LWR INSPAR SKIN EXTENSION AT OLES 1328.  REMOVED CORROSION AND REPROTECT AREA.  REPAIRED IAW QUERY NOTE N522UP/7/2000 AND APPROVED 8110-3 DATED 29TH OF MARCH 2000.

---
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.