# SDR CALA2015022000116

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 18, 2015
- Submitted: February 20, 2015
- Operation: Air carrier
- Aircraft: [N75410](https://openairdocs.org/aircraft/N75410), registered now
- Make and model: Boeing 737924
- Aircraft serial: 30127
- Aircraft time: 41,471 hours, 16,700 cycles
- System (JASC): [5512 · Horizontal Stabilizer, Plate/Skin](https://openairdocs.org/jasc/5512)
- Part: Skin
- Part number: 182A40012
- Condition: Cracked
- Location: Rt 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/CALA2015022000116

## Discrepancy

RIGHT HORIZONTAL STAB LOWER INSPAR SKIN HAS A .500 CRACK INDICATION LOCATED AT STAB STATION 138.70, 10 INCHES FWD OF REAR SPAR.  REPAIRED IAW SRM 55-10-01 REP 11 REF NR 9723258.L  BOTH LOCATIONS SUPPORTED BY ONE COMMON DOUBLER.  INSP THRESHOLD AT 56000 FLIGHT CYCLES AFTER INSTALLATION.  FOLLOWED BY REPEAT INSP`S EVERY 9000 FLIGHT CYCLES BY DVI & LFEC.

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