# SDR CALA2019060400879

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 2, 2019
- Submitted: June 4, 2019
- Operation: Air carrier
- Aircraft: [N77431](https://openairdocs.org/aircraft/N77431), registered now
- Make and model: Boeing 737924ER
- Aircraft serial: 32833
- Aircraft time: 62,403 hours, 12,104 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/CALA2019060400879

## Discrepancy

LT. HORIZONTAL STAB. CRACKED AT STA 147.9. REPAIRED LH HORIZONTAL LOWER INSPAR SKIN AT STA. 147.9 REF 737 SRM 55-10-01 REPAIR 11. DIP REQUIRED-INSPECTION THRESHOLD OF 56000 TOTAL FLT CYCLES AND 9000 FLT CYCLES THERAFTER. ADD EMP:U105472 TOMC APPROVES DIP, INSPECTION THRESHOLD OF 56000 FLT CYCLES AND A REPETITIVE DVI AND LFEC AT 9000 FLT CYCLES PER SRM 55-10-01 REPAIR 11, TABLE 204 TOMC-APPROVAL FROM SC1ELBYC COMMENT VERIFIED INSTALLATION OF REPAIR AND DIP INITIATION.REF SRM 55-10 -01, REPAIR 11.

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