# SDR TWAA0008303

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 17, 2000
- Submitted: May 25, 2000
- Operation: Air carrier
- Aircraft: [N921L](https://openairdocs.org/aircraft/N921L), registered now
- Make and model: Doug DC-9-32
- Registry model: [Doug DC-9-32](https://openairdocs.org/model/mcdonnell-douglas-dc-9-32) (OpenAirDocs)
- Aircraft serial: 47107
- Aircraft time: 80,344 hours, 86,616 cycles
- System (JASC): [5712 · Wing, Rib/Bulkhead](https://openairdocs.org/jasc/5712)
- Part: Rib
- Condition: Cracked
- Location: Lt Wing
- 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/TWAA0008303

## Discrepancy

LEFT WING AFT END OF REPAIR ON LEADING EDGE RIB HAS A CRACK APPROX 1 INCH LONG XRS 350 AFT OF NUMBER 4 LEADING EDGE SLAT.  STOP DRILLED AND CHECKED PER EDDY CURRENT PART 6 51-00-03 FIG 5 SHT 1.  OP16   05-17-00  MCI.

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