# SDR YENA2023100201172

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 29, 2023
- Submitted: October 2, 2023
- Operation: Air carrier
- Aircraft: [N337JB](https://openairdocs.org/aircraft/N337JB), registered now
- Make and model: Emb ERJ 190-100 IGW
- Registry model: [EMB ERJ 190-100 IGW](https://openairdocs.org/model/embraer-erj-190-100-igw) (OpenAirDocs)
- Aircraft serial: 473
- Aircraft time: 30,748 hours, 20,935 cycles
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- Stage of operation: CL
- How discovered: O
- Nature of condition: E
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YENA2023100201172

## Discrepancy

FLT#105, JFK-ORD. (AIRCRAFT PERFORMED AN AIR TURN BACK TO JFK) ' DURING CLIMB AND CRUISE #1 ENG LP VIBES REACHED 4.0 AT N1 OF 90.5% VIBES REDUCED WHEN THRUST REDUCED. VIBES FELT IN CABIN; PERFORMED FAN TRIM BALANCE IEVM IAW AMM GE LMM 72-21-00-800-802. PERFORMED POWER RUN, HIGHEST NOTED VIB INDICATION WAS .7 AT 91.6 N1. A/C OK FOR CONT SVC.'

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