# SDR CALA2023042801267

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 26, 2023
- Submitted: April 28, 2023
- Operation: Air carrier
- Aircraft: [N87531](https://openairdocs.org/aircraft/N87531), registered now
- Make and model: Boeing 737-8
- Registry model: [Boeing 737-8](https://openairdocs.org/model/boeing-737-8) (OpenAirDocs)
- Aircraft serial: 39999
- Aircraft time: 39,408 hours, 13,629 cycles
- System (JASC): [5500 · Empennage Structure](https://openairdocs.org/jasc/5500)
- Part: Rib
- Part number: 182A5402
- Condition: Cracked
- Location: Rib #10
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2023042801267

## Discrepancy

(SUPPORT TASK) AFTER REMOVAL OF EXISTING REPAIR ON L/H LOWER HOR IZONTAL STABILIZER SKIN, FOUND CRACK ON LOWER CHORD OF RIB #10, 24 INCHES AFT OF L/E AND "2" .098 PILOT HOLES DRILLED THROUGH LO WER CHORD 31.5 INCHES FROM L/E

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