# SDR CALA2009080300403

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 30, 2009
- Submitted: August 3, 2009
- Operation: Air carrier
- Aircraft: [N16732](https://openairdocs.org/aircraft/N16732), registered now
- Make and model: Boeing 737724
- Aircraft serial: 28948
- Aircraft time: 33,473 hours, 10,999 cycles
- System (JASC): [5511 · Horizontal Stabilizer, Spar/Rib](https://openairdocs.org/jasc/5511)
- Part: Rib
- Part number: 186A100013
- 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/CALA2009080300403

## Discrepancy

LEFT HORZ STAB RIB CRACKED ON UPPER FLANGE OF CASTING JUST AFT OF AFT MOUNT LUG.  FABRICATED AND INSTALLED DOUBLER PER ECRA 5510-02038 AND INITIATED DIP TO READ ON OR BEFORE 28 JULY, 2011.  REMOVE AND REPLACE THE P/N 185A1311-3 RIB FITTING PER PART 3 OF ECRA 5510-02038.

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