# SDR CALA2024061701812

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 12, 2024
- Submitted: June 17, 2024
- Operation: Air carrier
- Aircraft: [N29975](https://openairdocs.org/aircraft/N29975), registered now
- Make and model: Boeing 787-8
- Registry model: [Boeing 787-8](https://openairdocs.org/model/boeing-787-8) (OpenAirDocs)
- Aircraft serial: 66134
- Aircraft time: 19,102 hours, 1,970 cycles
- Engine: GENX1B76A
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Condition: Vibration
- Location: Right
- Stage of operation: NR
- 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/CALA2024061701812

## Discrepancy

VIBRATION INDICATION (ENGINE) HIGH (BLACK NUMBERS ON WHITE BOX) FIM TASK REF : 31-90-F8-03A-421B-A CMC MSG#  7711602 FLIGHT STATUS: A INTERMITTENCE CODE: M PH: CRUISE   NARRATIVE:  ENGINE MONITOR UNIT (RIGHT ENGINE) REVIEW CHRONIC HIST (CHAPTER 77). (CLOSED FUP L/P8233491). PERFORMED FIM DMC-B787-A-G77-30-F1-50A-421A-A. PERFORMANCE PAGE. FOUND MULTIPLE RIGHT ENGINE VIBRATION EXCEEDENCES. PERFROMED IDLE ENGINE RUN, VIB WITHIN NORMAL PARAMETERS. REF AMM 71-00-00.  NO REPORTS OF VIBRATION FELT IN FLIGHT DECK. T-S REF FIM MAINTENANCE MESSAGE 77-11602 - FAULT ISOLATION REFERENCE: DMC-B787-A-G77-30-F1-50A-421A-A. WORKED WITH LOG PAGE 8270613. W14 HARNESS AND EMU REPLACED.

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