# SDR CALA2025042104043

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 12, 2025
- Submitted: April 21, 2025
- Operation: Air carrier
- Aircraft: [N12238](https://openairdocs.org/aircraft/N12238), registered now
- Make and model: Boeing 737824
- Aircraft serial: 28804
- Aircraft time: 78,270 hours, 28,919 cycles
- System (JASC): [5531 · Vertical Stabilizer, Spar/Rib](https://openairdocs.org/jasc/5531)
- Part: Rib
- Part number: 175A12057
- 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/CALA2025042104043

## Discrepancy

VERTICAL STABILIZER HINGE RIB AT RUDDER STATION 56 .48 (17SA1204) IS CRACKED.   REPAIRED VERTICAL STAB T/E HINGE RIB IAW HAECO REO-G25412 STAGE 3 AND UNITED ECRA SFR DATA ENTERED. REPAIRED VERTICAL STAB T/E HINGE RIB IAW HAECO REO-G25412 STAGE 3 AND UNITED ECRA 5530-02021.

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