# SDR DALA2015071404354

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 14, 2015
- Submitted: July 15, 2015
- Operation: Air carrier
- Aircraft: N984DL
- Make and model: Doug MD-88
- Registry model: [Doug MD-88](https://openairdocs.org/model/mcdonnell-douglas-md-88) (OpenAirDocs)
- Aircraft serial: 53311
- Aircraft time: 62,920 hours, 45,156 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: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2015071404354

## Discrepancy

CRACKED RIB STA ZFS 49.62 AT VERTICAL STABILIZER.  L/E INNER STRUCTURE, RIBS WERE REPLACED IAW SRM 51-30-2, 51-30-5, 51-10-3 PAR 14, 21 51-10-4.

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