# SDR CALA2026062317279

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 16, 2026
- Submitted: June 24, 2026
- Operation: Air carrier
- Aircraft: [N37413](https://openairdocs.org/aircraft/N37413), registered now
- Make and model: Boeing 737924ER
- Aircraft serial: 31664
- Aircraft time: 53,781 hours, 19,393 cycles
- System (JASC): [5512 · Horizontal Stabilizer, Plate/Skin](https://openairdocs.org/jasc/5512)
- Part: Skin
- Part number: 182A400112
- 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/CALA2026062317279

## Discrepancy

CRACK FOUND ATRIGHT HORIZONTAL STAB LOWER SKIN AT STAB STA 120.30 , 18.5" FROM REAR SPAR, I/B ROW.  REPAIRED CRACK ON RIGHT HORIZONTAL STAB LOWER INSPAR SKIN AT STA 120.3", 18.5" FWD OF REAR SPAR INBD ROW IAW SRM 55-10-01-2R-11, REPAIR 11, AND 51-40-02-0G-0.   A DETAILED VISUAL INSPECTION AND AN EXTERNAL LOW FREQUENCY EDDY CURRENT (LFEC) INSPECTION ARE REQUIRED EVERY 9000 FLIGHT CYCLES. DIP IS REQUIRED.  CRACK FOUND ATRIGHT HORIZONTAL STAB LOWER SKIN AT STAB STA 120.30 , 18.5" FROM REAR SPAR, INBD ROW. REPAIRED IAW SRM 55-10-01-2R-11, REPAIR 11, AND 51-40-02-0G-0.

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