# SDR TWAA9909102

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 13, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N979Z](https://openairdocs.org/aircraft/N979Z), registered now
- Make and model: Doug DC-9-31
- Registry model: [Doug DC-9-31](https://openairdocs.org/model/douglas-dc-9-31) (OpenAirDocs)
- Aircraft serial: 47343
- System (JASC): [5511 · Horizontal Stabilizer, Spar/Rib](https://openairdocs.org/jasc/5511)
- Part: Spar
- Condition: Corroded
- Location: Horiz Stab
- 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/TWAA9909102

## Discrepancy

DURING OP 16 MAINT CHECK FOUND THE HORIZONTAL STABILIZER UPPER SPAR CAP BARREL NUT HOLE, RIGHT SIDE AFT, THE HOLE WAS CORRODED.  REPAIRED PER ARA 16167.

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