# SDR SWAA2020100515532

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 10, 2020
- Submitted: October 5, 2020
- Operation: Air carrier
- Aircraft: [N499WN](https://openairdocs.org/aircraft/N499WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32481
- Aircraft time: 54,217 hours, 32,098 cycles
- System (JASC): [5510 · Horizontal Stabilizer Structure](https://openairdocs.org/jasc/5510)
- Part: Stiffener
- Condition: Cracked
- 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/SWAA2020100515532

## Discrepancy

RIGHT HAND HORIZONTAL STABILIZER INSPAR RIB AT STAB STA 129.5, 3RD VERTICAL STIFFENER IS CRACKED.  TRIMMED OUT THE DAMAGE PART AT RT HORIZ STAB INSPAR RIB AT STAB STA 129.5 3RD VERTICAL STIFFENER AND INSTALLED REPAIR PARTS, IAW SRM 55-10-09-2R-4 88920U 19SEP20.

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