# SDR CX7A194J12

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 20, 2002
- Submitted: July 22, 2002
- Operation: Air carrier
- Aircraft: [N304CE](https://openairdocs.org/aircraft/N304CE), registered now
- Make and model: Saab 340B
- Registry model: [Saab 340B](https://openairdocs.org/model/saab-340b) (OpenAirDocs)
- Aircraft serial: 340B198
- Aircraft time: 24,555 hours, 27,495 cycles
- Engine: Ge CT79B
- Engine time: 14,670 hours, 18,192 cycles
- System (JASC): [7320 · Fuel Controlling System](https://openairdocs.org/jasc/7320)
- Part: Hmu
- Part number: 6068T72P23
- Part serial: WYG94216
- Part time: 11,000 hours, 13,143 cycles
- Stage of operation: CL
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CX7A194J12

## Discrepancy

During climbout of MDW noticed that L/H engine torque was fluctuating 3%.  Fluctuations then went to 5% swings.  Ran checklist and put in T/M lockout.  With T/M lockout engine still fluxed +/- 3% with prop sync on and off.R/R L/H engine HMU IAW SAAB AMM

---
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.