# SDR DLM88090413

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 13, 2009
- Submitted: March 18, 2009
- Operation: Air carrier
- Aircraft: N973DL
- Make and model: Doug MD-88
- Registry model: [Doug MD-88](https://openairdocs.org/model/mcdonnell-douglas-md-88) (OpenAirDocs)
- Aircraft serial: 53241
- Aircraft time: 49,081 hours, 36,949 cycles
- System (JASC): [5512 · Horizontal Stabilizer, Plate/Skin](https://openairdocs.org/jasc/5512)
- Part: Skin
- Part number: 5922577507
- Condition: Corroded
- Location: Horizontal Stab
- 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/DLM88090413

## Discrepancy

THE RT HORIZONTAL STABILIZER UPPER CENTER SKIN PANEL HAD CORROSION ON 3 INBD BARREL NUT HOLES AT XH=7.234.  THE NR 12, NR 14, AND NR 17 HOLES WERE OVERSIZED, AND THE NR 17 HOLE HAD AN ADDITIONAL BLEND FOR CORROSION.  OVERSIZED BUSHINGS WERE INSTALLED PER BOEING APPROVAL.

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