# SDR WRNA201200014

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 16, 2012
- Submitted: December 13, 2012
- Operation: Air carrier
- Aircraft: N952AR
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48497
- Aircraft time: 57,288 hours, 14,432 cycles
- Engine: Pwa PW4460
- Engine time: 44,588 hours, 10,984 cycles
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Condition: Bird Ingestion
- Location: Nr 3 Engine
- Stage of operation: CL
- How discovered: O
- Nature of condition: C, E
- Precautionary procedure: J, A, E
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/WRNA201200014

## Discrepancy

AFTER TAKEOFF FROM SUMU, HAD HIGH VIBRATION NR 3 ENGINE.  DUMPED FUEL TO MAX LANDING WEIGHT AND RETURNED TO FIELD FOR A SAFE LANDING.  AFTER LANDING ENGINE NR 3 WAS SHUT DOWN AS PRECAUTION.  ON POST FLIGHT INSPECTION, FOUND 6 DAMAGED FAN BLADES WITH EVIDENCE OF BIRD STRIKE.  ACCOMPLISHED BIRD STRIKE INSPECTION IAW 72-00-02, NO OTHER DAMAGE NOTED.  REPLACED 4 FAN BLADES AND BLEND 2 BLADES PER AMM 72-31-02.  AIRCRAFT RETURNED TO SERVICE.

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