# SDR NACA2025042200002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 22, 2025
- Submitted: April 29, 2025
- 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: 77,857 hours, 20,076 cycles
- Engine: Pwa PW4060
- Engine time: 852 hours, 371 cycles
- System (JASC): [7732 · Engine Vibration Analyzer](https://openairdocs.org/jasc/7732)
- Part: Monitor
- Condition: Malfunctioned
- Location: Vibration
- Stage of operation: CL
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/NACA2025042200002

## Discrepancy

RIGHT SIDE VIBRATION MONITOR OSCILLATES BETWEEN 0.5 TO 5.0 DURING CLIMB WITH NO VIBRATION FELT IN AIRCRAFT. ACCOMPLISHED WIRING CHECK FROM R ENG FAN ACCELEROMETER TO H132 D2708B NO WIRING ISSUES. ALSO APPLIED FIM 77-31 FT 807 AVM BITE/ERASE PROCEDURE. NO EICAS MESSAGE PRESENT.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
