# SDR CALA9700513

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 25, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N17410](https://openairdocs.org/aircraft/N17410), registered now
- Make and model: Boeing 727243
- Aircraft serial: 21663
- System (JASC): [5712 · Wing, Rib/Bulkhead](https://openairdocs.org/jasc/5712)
- Part: Rib
- Condition: Cracked
- Location: Lt Wing
- 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/CALA9700513

## Discrepancy

INSPECTION FOUND A 1 INCH CRACK BETWEEN TWO AFT UPPER BOLTS OF LT WING LEADING EDGE RIB AT SLAT STA 0.  A DOUBLER WAS FABRICATED AND INSTALLED IAW SRM 51-40-3.

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