# SDR CALA2011071100477

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 9, 2011
- Submitted: July 11, 2011
- Operation: Air carrier
- Aircraft: [N35271](https://openairdocs.org/aircraft/N35271), registered now
- Make and model: Boeing 737824
- Aircraft serial: 31589
- Aircraft time: 34,127 hours, 10,727 cycles
- System (JASC): [5512 · Horizontal Stabilizer, Plate/Skin](https://openairdocs.org/jasc/5512)
- Part: Skin
- Part number: 182A4002
- Condition: Cracked
- Location: Horiz Stab
- 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/CALA2011071100477

## Discrepancy

SUPPORT TASK FOUND CRACK ON LEFT LOWER HORIZONTAL SKIN AT STA 1 38.70 25 INCHES FROM THE FWD SPAR.  ACCOMPLISHED REPAIR AS PER ECRA 5510-02188 SE 44.0008.  REINSPECT AS PER SRM 55-10-01 REPAIR 11 INSPECTION THREASHOLD OF 56000 FLT CYCLES AND EVERY 9000 CYCLE THEREAFTER REFERENCE ECRA 5510-02188 AND SRM 55-10-01 REPAIR 11, INSPECT REPAIR AFTER 56,000 FLIGHT CYCLES AFTER REPAIR INSTALLATION, BUT BEFORE 56,500 FLIGHT CYCLES THEN PERFORM REPEAT INSPECTIONS AT INTERVALS NOT TO EXCEED 9,000 FLIGHT CYCLES.

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