# SDR DLM11991113

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 13, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N809DE
- Make and model: Doug MD-11
- Registry model: [Doug MD-11](https://openairdocs.org/model/mcdonnell-douglas-md-11) (OpenAirDocs)
- Aircraft serial: 48480
- System (JASC): [5751 · Ailerons](https://openairdocs.org/jasc/5751)
- Part: Skin
- Part number: NRC6741403
- Condition: Delaminated
- Location: Lt Aileron
- 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/DLM11991113

## Discrepancy

LEFT O/B AILERON / FRONT SPAR / LWR FLANGE / XDA 928:  TOOLING DAMAGE TO LOWER SPAR FLANGE.  SPAR IS M/F SOLID GRAPHITE LAMINATE, APPROX .208 THICK.  LOWER FLANGE  IS DELAMINATED THROUGH THICKNESS OVER APPROX 1 INCH DEPTH (CHORD-WISE) X 2 WIDTH (SPAN-WISE).  REPAIR CONSISTS OF SCARFING OUT DAMAGE AND INSTALLING PRECURED GRAPHITE REPAIR DOUBLER.

---
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.