# SDR QXEA11012100058A

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 20, 2011
- Submitted: January 22, 2011
- Operation: Air carrier
- Aircraft: N421QX
- Make and model: Bombdr DHC8402
- Aircraft serial: 4149
- Aircraft time: 22,657 hours, 23,429 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: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/QXEA11012100058A

## Discrepancy

C5 CHECK - LT WING SKIN CUTOUT FOR PANEL 524BT HAS FRETTING.  REMOVED FRETTING CORROSION IAW RD 8/4-57-442.  FOUND WITHIN LIMITS IAW RD 8/4-57-442.  TREATED AND PRIMED AREA IAW RD 8/4-57-442.

---
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.
