# SDR IPXA2017070318861

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 30, 2017
- Submitted: July 3, 2017
- Operation: Air carrier
- Aircraft: [N572UP](https://openairdocs.org/aircraft/N572UP), registered now
- Make and model: Boeing 747-44AF
- Registry model: [Boeing 747-44AF](https://openairdocs.org/model/boeing-747-44af) (OpenAirDocs)
- Aircraft serial: 35669
- Aircraft time: 35,485 hours, 5,518 cycles
- Engine: Ge CF680C2B1F
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Link
- Condition: Broken
- Location: Nr 3 Engine
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2017070318861

## Discrepancy

SECONDARY INDICATION DROP DOWN PAGE SHOWED INTERMITTENT VIBRATION NUMBERS UP TO 5.0 ON ENGINE NR 3.  INDICATIONS WERE NOTICED DURING LOW IDLE AND BELOW ONLY.  PERFORMED FIM 71-00-00-101 AND FOUND HPT TCC DUCT LINK BROKEN, R & R IAW MM 75-24-03.  ALSO FOUND LPT BUSHING WORN, R & R IAW MM 75-24-03.

---
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.
