# SDR UIEA200700011

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 22, 2007
- Submitted: February 2, 2007
- Operation: Air carrier
- Aircraft: [N527MC](https://openairdocs.org/aircraft/N527MC), registered now
- Make and model: Boeing 747-2D7B
- Registry model: [Boeing 747-2D7B](https://openairdocs.org/model/boeing-747-2d7b) (OpenAirDocs)
- Aircraft serial: 22471
- Aircraft time: 95,099 hours, 19,082 cycles
- System (JASC): [5730 · Wing, Plate/Skin](https://openairdocs.org/jasc/5730)
- Part: Skin
- Condition: Cracked
- 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/UIEA200700011

## Discrepancy

LT WING, UPPER SURFACE, TRAILING EDGE PANEL, AFT OF REAR SPAR, WBL 445 IS CRACKED AROUND FASTENER HOLE.  ACCOMPLISHED PERMANENT REPAIR AS PER B747-200 SRM 51-40-09 FIG 2, SHEETS 1 THRU 5.  REPAIR AREA IS 4.0 INCH BY 4.0 INCH ALSO, REFERENCE ATLAS AIR EO NR 4757A339.

---
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.
