# SDR HALA0600854

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 6, 2006
- Submitted: November 8, 2006
- Operation: Air carrier
- Aircraft: N588HA
- Make and model: Boeing 767-300
- Registry model: [Boeing 767-300](https://openairdocs.org/model/boeing-767-300) (OpenAirDocs)
- Aircraft serial: 33466
- Aircraft time: 15,524 hours, 2,987 cycles
- Engine: Pwa PW4060
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Condition: Vibration
- Stage of operation: CR
- How discovered: O
- Nature of condition: E
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HALA0600854

## Discrepancy

ETOPS SIGNIFICANT SYSTEM, IN CRUISE RESONATING VIBRATION CAUSED BY SLIGHT SPLIT IN ENGINE INDICATIONS.  FL390 AUTOTHROTTLES ON EPR 1.33L AND R LN,87.8 RN, 88.5 LN2 - 89RN288 FFL4.9 R4.8.  INSPECTED NR 1 AND NR 2 ENGINES, NO DEFECTS NOTED ON GRD, ALL PARAMETERS NORMAL.  NO VIBRATIONS NOTED.

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