# SDR SWAA000091

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 14, 2000
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N129SW](https://openairdocs.org/aircraft/N129SW), registered now
- Make and model: Boeing 737-2T4
- Registry model: [Boeing 737-2T4](https://openairdocs.org/model/boeing-737-2t4) (OpenAirDocs)
- Aircraft serial: 22340
- System (JASC): [5510 · Horizontal Stabilizer Structure](https://openairdocs.org/jasc/5510)
- Part: Lug
- Part number: 6550578
- Condition: Cracked
- Location: Horizontal 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/SWAA000091

## Discrepancy

DURING SCHEDULED D CHECK, FOUND LT HORIZONTAL STAB REAR SPAR UPPER LUG BORE CORRODED AND CRACKED AT 1 AND 9 O'CLOCK POSITIONS.  REPAIRED  LUG PER ER NR 99-6540.

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