# SDR CALA0100207

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 5, 2001
- Submitted: March 8, 2001
- Operation: Air carrier
- Aircraft: [N14235](https://openairdocs.org/aircraft/N14235), registered now
- Make and model: Boeing 737824
- Aircraft serial: 28947
- Aircraft time: 5,611 hours, 2,003 cycles
- System (JASC): [5531 · Vertical Stabilizer, Spar/Rib](https://openairdocs.org/jasc/5531)
- Part: Rib
- Condition: Cracked
- Location: Vertical 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/CALA0100207

## Discrepancy

INSPECTION FOUND RIG PIN HOLE BOSS CRACKED ON RIB WEB AT STA 56.48.  THE CRACK WAS 2 INCHES LONG.  AN INTERIM REPAIR WAS PERFORMED IAW ECRA 5530-01092.  A PERMANENT REPAIR IS TO BE ACCOMPLISHED AT THE EARLIER OF 500 HOURS OR THE NEXT MX CHECK WHERE USE OF RIG PIN IS REQUIRED NOT TO EXCEED 12 MONTHS.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
