# SDR CALA9801909

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 5, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N579PE
- Make and model: Boeing 727243
- Aircraft serial: 21662
- System (JASC): [5754 · Leading Edge Devices](https://openairdocs.org/jasc/5754)
- Part: Rib
- Condition: Cracked
- Location: Nr 3 Le Slat
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA9801909

## Discrepancy

INSPECTION FOUND A 1.25 INCH CRACK AT AFT LOWER END OF NR 3 SLAT LEADING EDGE RIB AND A 1.25 INCH CRACK WAS FOUND AT FORWARD LOWER END OUTBOARD OF ACTUATOR ROD MOUNT.  THE CRACKS WERE STOP DRILLED IAW SRM 51-30-2, A DOUBLER WAS INSTALLED IAW SRM 57-50-3, PAGE 26 AND 51-30-2, PAGE 14.

---
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.