# SDR CALA2025093009437

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 24, 2025
- Submitted: October 1, 2025
- Operation: Air carrier
- Aircraft: [N17594](https://openairdocs.org/aircraft/N17594), registered now
- Make and model: Boeing 737-9
- Registry model: [Boeing 737-9](https://openairdocs.org/model/boeing-737-9) (OpenAirDocs)
- Aircraft serial: 43447
- Aircraft time: 1,385 hours, 453 cycles
- System (JASC): [5512 · Horizontal Stabilizer, Plate/Skin](https://openairdocs.org/jasc/5512)
- Part: Skin
- Condition: Damaged
- 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/CALA2025093009437

## Discrepancy

RIGHT HORIZONTAL STAB LOWER INSPAR SKIN,  INTERIM REPAIR ACCOMPLISHED INTIAL INSPECTION ON OR BEFORE THE AIRCRAFT RE ACHING 56,000 CYCLES.  PERFORM REPEAT INSPECTIONS PER PAR T 2 -INSPECTION REQUIREMENTS AT INTERVAL NOT TO EXCEED 9000 FLIGHT CYCLES THERE AFTER.PER ECRA 5510-03309

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