# SDR TWAA0009009

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 3, 2000
- Submitted: June 9, 2000
- Operation: Air carrier
- Aircraft: [N9409F](https://openairdocs.org/aircraft/N9409F), registered now
- Make and model: Doug DC-9-83
- Registry model: [Doug DC-9-83](https://openairdocs.org/model/douglas-dc-9-83) (OpenAirDocs)
- Aircraft serial: 53121
- Aircraft time: 22,081 hours, 11,316 cycles
- System (JASC): [5730 · Wing, Plate/Skin](https://openairdocs.org/jasc/5730)
- Part: Skin
- Condition: Damaged
- 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/TWAA0009009

## Discrepancy

DURING CHECK-C MAINT ON LT WING LOWER SURFACE OF THE TRAILING EDGE, THE I/B FIXED FIBERGLASS PANEL HAD A HOLE IN IT.  SANDED AREA AND INSTALLED 3 LAYERS OF FIBERGLASS LAYUPS AND SANDED SMOOTH PER SRM 51-70-1B, FIG 5.

---
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.