# SDR NACA2024021300002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 13, 2024
- Submitted: February 20, 2024
- Operation: Air carrier
- Aircraft: [N566NC](https://openairdocs.org/aircraft/N566NC), registered now
- Make and model: Boeing 767-3BG
- Registry model: [Boeing 767-3BG](https://openairdocs.org/model/boeing-767-3bg) (OpenAirDocs)
- Aircraft serial: 30566
- Aircraft time: 75,000 hours, 18,923 cycles
- Engine: Pwa PW4062
- Engine time: 2,888 hours, 948 cycles
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Condition: Vibration
- Location: Left
- Stage of operation: CL
- How discovered: V
- Nature of condition: E, J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/NACA2024021300002

## Discrepancy

NOTICED HIGH VIBRATION FROM LEFT ENGINE AT TAKEOFF. IN CRUISE, LEFT ENGINE SHOWS VIBRATION N1 VARIABLE BETWEEN 3.7 & 4.1 @ FL350. ACCOMPLISHED FAN LUBE PER B767 AMM 72-31-02, MID SPAN SHROUD LUBE WAS PERFORMED PER WO 1223028 TC 767-72-433-01-01

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