# SDR DALA2018030201312

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 1, 2018
- Submitted: March 2, 2018
- Operation: Air carrier
- Aircraft: [N963DN](https://openairdocs.org/aircraft/N963DN), registered now
- Make and model: Doug MD-90-30
- Registry model: [Doug MD-90-30](https://openairdocs.org/model/mcdonnell-douglas-md-90-30) (OpenAirDocs)
- Aircraft serial: 53533
- Aircraft time: 51,255 hours, 29,524 cycles
- System (JASC): [5414 · Nacelle/Pylon, Plate/Skin](https://openairdocs.org/jasc/5414)
- Part: Skin
- Condition: Cracked
- Location: Lt Fairing
- 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/DALA2018030201312

## Discrepancy

CRACK AFT BIFURCATION TRACK FAIRING SKIN INBOARD SIDE AT LT UPPER ENGINE THRUST REVERSER C-DUCT. CRACK WAS STOPPED DRILL PER SRM 54-30-13 PAR (5) VOL IV (ET) HFEC INSPECTION WAS ACCOMPLISHED ON AFT BIFURCATION TRACK FAIRING SKIN INBOARD SIDE AT LT UPPER ENGINE THRUST REVERSER C-DUCT. NO CRACKS WERE FOUND AFTER STOP DRILL, PER NDT SPM 06-10-01.001. DOUBLER OF REPAIR WAS FABRICATED PER SRM 54-30-13 (7) VOL IV AND INSTALLED PER SRM 54-30-13 PAR (9) VOL IV.

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