# SDR CALA2025101710219

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 11, 2025
- Submitted: October 17, 2025
- Operation: Air carrier
- Aircraft: [N75436](https://openairdocs.org/aircraft/N75436), registered now
- Make and model: Boeing 737924ER
- Aircraft serial: 33531
- Aircraft time: 50,986 hours, 18,232 cycles
- System (JASC): [5511 · Horizontal Stabilizer, Spar/Rib](https://openairdocs.org/jasc/5511)
- Part: Rib
- Part number: 182A54018
- 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/CALA2025101710219

## Discrepancy

RIGHT HORIZONTAL STAB RIB 7, 3RD STIFFINER BACK HAS A CRACK OA BASE,IB SIDE.  ACCOMPLISHED REPAIR OF RT HORIZONTAL STAB NR 7 RIB AT NR 3 STIFFENER IAW SRM 55-10-09-2R-4,

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