# SDR CALA2025050504448

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 1, 2025
- Submitted: May 5, 2025
- Operation: Air carrier
- Aircraft: [N76502](https://openairdocs.org/aircraft/N76502), registered now
- Make and model: Boeing 737824
- Aircraft serial: 31603
- Aircraft time: 57,843 hours, 21,780 cycles
- System (JASC): [5512 · Horizontal Stabilizer, Plate/Skin](https://openairdocs.org/jasc/5512)
- Part: Rib
- Part number: 182A30013
- 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/CALA2025050504448

## Discrepancy

FOUND A HOLE WITH A CRACK AT LEFT HORIZONTAL STABILIZER RIB #1 JUST AFT OF STIFFENER #4 AT LOWER CHORD.   REPAIRED CRACK ON HOLD JUST AFT OF STIFFENER NO.4 IN REF TO ESR-WI 4-12095 REV P1 STEPS 1-27.

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