# SDR CALA2025041804015

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 16, 2025
- Submitted: April 21, 2025
- Operation: Air carrier
- Aircraft: [N77430](https://openairdocs.org/aircraft/N77430), registered now
- Make and model: Boeing 737924ER
- Aircraft serial: 37098
- Aircraft time: 51,551 hours, 18,248 cycles
- System (JASC): [5510 · Horizontal Stabilizer Structure](https://openairdocs.org/jasc/5510)
- Part: Stiffener
- Condition: Cracked
- Location: Zone 300
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2025041804015

## Discrepancy

RH HORIZONTAL STABILIZER STA 111.1 FOUND CRACK AT #2 STIFFENER. REF AAR N/R 9957161.

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