# SDR CALA2019112862077

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 24, 2019
- Submitted: November 28, 2019
- Operation: Air carrier
- Aircraft: [N39728](https://openairdocs.org/aircraft/N39728), registered now
- Make and model: Boeing 737724
- Aircraft serial: 28944
- Aircraft time: 66,159 hours, 23,353 cycles
- System (JASC): [5512 · Horizontal Stabilizer, Plate/Skin](https://openairdocs.org/jasc/5512)
- Part: Skin
- Part number: 182A4001
- Condition: Cracked
- Location: Horizontal 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/CALA2019112862077

## Discrepancy

VERTICAL STIFFENER #2 (CRACK ON LOWER RADIUS) ON R/H HORIZONTAL STAB AT STA 129.5 REQUIRES ACCESS FOR RIB REPAIR. SEE FLEETCYCLE N/R 9708910 INSTALLED REPAIR DOUBLER REF BOEING 737-700 SRM 55-10-01 REPAIR 11. SEE FLEETCYCLE N/R 9708910. INITIATED DIP TO PERFORM A DVI AND LFEC INSPECTION PRIOR TO 56,000 FC AND REPEAT EVERY 9000 FC THERE AFTER OK TO INITIATED DIP TO PERFORM A DVI AND LFEC INSPECTION PRIOR TO 56,000 FC AND REPEAT EVERY 9000  FC THERE AFTER. PER SRM 55-10-01 REPAIR 11. TOMC APPROVED TOMC-APPROVAL FROM SC1ELBYC COMMENT QC REVIEWED QC REVIEWED INSPECTIONS CREATED BY AUTODIP PENDING AIRCRAFT RECORDS AUDIT & UPDATE.

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