# SDR AALA2020022099016

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 18, 2020
- Submitted: February 20, 2020
- Operation: Air carrier
- Aircraft: [N712US](https://openairdocs.org/aircraft/N712US), registered now
- Make and model: Airbus A319-112
- Registry model: [Airbus A319-112](https://openairdocs.org/model/airbus-industrie-a319-112) (OpenAirDocs)
- Aircraft serial: 1038
- Aircraft time: 56,470 hours, 32,935 cycles
- Engine: Cfmint CFM565B6
- System (JASC): [7320 · Fuel Controlling System](https://openairdocs.org/jasc/7320)
- Part: Sensor
- Part number: 3017946030
- Part serial: DH9143942
- Condition: Faulty
- Location: Lt Engine
- Part time: 11,180 hours, 6,694 cycles
- Stage of operation: TO
- How discovered: O
- Nature of condition: J
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA2020022099016

## Discrepancy

AIRCRAFT WAS GROUNDED: ON ENGINE RUNUP FOR TAKEOFF WITH BOTH ENGINES AT 50% N1, THRUST LEVERS PLACED IN TOGA LEFT ENGINE EXTREMELY SLOW TO RUNUP. ASSYMETRIC THRUST CREATED REJECT ON RUNWAY. MAX AIRSPEED 50 KTS. ACCOMP;ISED TSM TASK 71-00-00-810-807-A AND TSM TASK 73-20-00-810-919-A. REPLACED LT ENG T-12 SENSOR IAW AMM 73-21-40.

---
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.