# SDR SWAA2020081002738

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 22, 2020
- Submitted: August 10, 2020
- Operation: Air carrier
- Aircraft: [N7880D](https://openairdocs.org/aircraft/N7880D), registered now
- Make and model: Boeing 737-7K5
- Registry model: [Boeing 737-7K5](https://openairdocs.org/model/boeing-737-7k5) (OpenAirDocs)
- Aircraft serial: 34693
- Aircraft time: 34,295 hours, 26,031 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/SWAA2020081002738

## Discrepancy

R/ H HORIZONTAL STABILIZER L/ E INTERNAL RIB 4 # 4 STIFFENER CRACKED AT LOWER RADIUS ; STA 120.30 / CUT OUT DAMAGE AREA AT # 4 STIFFENER WEB AND LOWER FLANGE AREA. INSTALLED REPAIR PARTS ON RIB # 4 AT R/H HORIZONTAL STAB REF. R.E.S. NO 2016121-4 REV IR AND EA NO 20-155-01251 REV - IR FOR DETAILS OF ALL WORK COMPLETED SEE SA-M 326 ATTACHED. .

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