A320
Flight Crew Air Transport Pilot (ATP)
Training / Qualification; Confusion; Distraction; Troubleshooting
Aircraft Equipment Problem Critical
Aircraft Automation Overrode Flight Crew; Flight Crew FLC complied w / Automation / Advisory; Flight Crew Landed in Emergency Condition; Flight Crew Diverted; General Declared Emergency
Manuals; Aircraft; Chart Or Publication
During cruise flight had system status display inoperative systems REVERSER 1 AND ENG 1 THR. WITH A DESCRIPTION STATING WHEN SLATS out; engine 1 at idle; on ground Engine 1 maximum power: idle. After discussing options and original destination [we] declared [an] emergency and diverted.Upon slat selection engine did not reduce to idle thrust as expected uneventful landing. We suspect an unknown possible autothrust lever TLA fault.
An A320 ECAM status alerted REVERSER 1 AND ENG 1 THR along with a note that with slat extension engine 1 thrust would idle and on ground max thrust available; idle. An emergency was declared; the flight diverted and crew suspected a thrust lever angle (TLA) fault.