# SDR AALA20150511003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 11, 2015
- Submitted: May 12, 2015
- Operation: Air carrier
- Aircraft: [N980TW](https://openairdocs.org/aircraft/N980TW), registered now
- Make and model: Doug DC-9-83
- Registry model: [Doug DC-9-83](https://openairdocs.org/model/douglas-dc-9-83) (OpenAirDocs)
- Aircraft serial: 53630
- Aircraft time: 43,619 hours, 21,275 cycles
- System (JASC): [5712 · Wing, Rib/Bulkhead](https://openairdocs.org/jasc/5712)
- Part: Rib
- Part number: ADK61241
- Condition: Cracked
- Location: Lt Wing
- Stage of operation: IN
- How discovered: E
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA20150511003

## Discrepancy

LEFT WING NR 4 SLAT INBD LE RIB, MACHINED AREA FOR RIBLET REPAIR SHOWS CRACK INDICATION AT THE AFT SIDE.  R & R RIB IAW SRM 51-30-05.

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