# SDR DALA2022012700549

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 26, 2022
- Submitted: January 27, 2022
- Operation: Air carrier
- Aircraft: [N867DN](https://openairdocs.org/aircraft/N867DN), registered now
- Make and model: Boeing 737900
- Aircraft serial: 31979
- Aircraft time: 15,691 hours, 5,997 cycles
- System (JASC): [7100 · Powerplant System](https://openairdocs.org/jasc/7100)
- Part: None
- Condition: None
- Stage of operation: CL
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2022012700549

## Discrepancy

SHIP 3867 - ATB - DUE TO RIGHT ENGINE HIGH FAN VIBRATIONS ABOVE 4.0 UNITS IN CLIMB. CAPTAIN HAD TO RETARD THRUST LEVERS TO MAINTAIN VIBRATIONS UNDER LIMIT. CORRECTIVE ACTION: MAINTENANCE PERFORMED FAN TRIM BALANCE AND HIGH POWER RUN

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