# SDR SWAA2023091988651

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 11, 2023
- Submitted: September 19, 2023
- Operation: Air carrier
- Aircraft: [N447WN](https://openairdocs.org/aircraft/N447WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 33720
- Aircraft time: 64,361 hours, 38,208 cycles
- System (JASC): [5512 · Horizontal Stabilizer, Plate/Skin](https://openairdocs.org/jasc/5512)
- Part: Skin
- Part number: UNKNOWN
- Condition: Cracked
- Location: Zn 300 Stabilize
- 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/SWAA2023091988651

## Discrepancy

CRACK FOUND ON RT HORIZONTAL STABILIZER LOWER IN-SPAR SKIN AT STATION 193.90 RIB; 17' APPROX. FROM L/E; I/B ROW (CRACK LENGTH 1') CRACK FOUND ON RT HORIZONTAL STABILIZER LOWER IN-SPAR SKIN AT STATION 193.90 RIB 17' APPROX. FROM L/E I/B ROW (CRACK LENGTH 1')<[01] ACCOMPLISHED REPAIR ON R/T HORIZONTAL STABILIZER LOWER IN-SPAR SKIN AT STA 193.90 PER SRM 55-10-01-2R-11 REPAIR 11;[02] VERIFIED REPAIR INSTALLED AND 100% FASTENER INSTALLATION BY SQUEEZE OUT TIME.

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