# SDR HNAA9698676

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 20, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N986HA](https://openairdocs.org/aircraft/N986HA), registered now
- Make and model: Dhav DHC8201
- Aircraft serial: 421
- System (JASC): [7712 · Engine BMEP/Torque Indicating](https://openairdocs.org/jasc/7712)
- Part: Tscu
- Part number: 30005000056
- Condition: Failed
- Location: Nr 2 Engine
- Part time: 714 hours
- Stage of operation: CR
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HNAA9698676

## Discrepancy

TLH/TPA - FLT 3240 - ON CLIMB-OUT AT 300 FEET, AUTOFEATHER SELECTED ON, NR 1 ENGINE UP-TRIM LIGHT FLICKERED, AND ENGINE ATTEMPTED TO UP-TRIM.  THE AIRCRAFT TURNED BACK TO TLH AND LANDED WITHOUT INCIDENT.  REMOVED AND REPLACED NR 2 TORQUE SIGNAL CONDITIONING UNIT (TSCU) AND TIGHTENED NR 2 TORQUE PROBE CANNON PLUG.  (X)

---
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.