Lights off below 1,000?

[LESairways]

This is the log.out file of my last flight. I was on approach with landing lights ON, and the bell rang. After I landed, it said "landing lights off below 1000". Thought that was a bit weird, they were on since 10,000.

Log.out
===========================================================================

Getting pilot data:
ID 246
Name Lester
Surname Adanie
User les0411
EMail LESairways@lycos.com
VA ID 185
VA User LES101
Rank CEO
Location KLAX
Budget 22259

Getting log data:
ID 1824
AC ID 438
User ID 246
Route ID 2911
Status 0
Duration 193
Distance 1520
PAX 335

Getting route data:
ID 2911
Airline LESairways
Dep KLAX
Arr KMDW
Deptime 800
Arrtime 1050
Route
Type A333
Number LES093
State 2
Simrate 8
Ticket 192

Setting Fuel: 0 kg, 0.000000 kg
Left Main Tank Quantity: 33872.550781
Right Main Tank Quantity: 33872.550781
Left Aux Tank Quantity: 2959.708008
Right Aux Tank Quantity: 2959.708008
Left Tip Tank Quantity: 0.000000
Right Tip Tank Quantity: 0.000000
Left Center Tank Quantity: 0.000000
Left Main Tank Percentage: 0.000000
Right Main Tank Percentage: 0.000000
Left Aux Tank Percentage: 0.000000
Right Aux Tank Percentage: 0.000000
Left Tip Tank Percentage: 0.000000
Right Tip Tank Percentage: 0.000000
Center Tank Percentage: 0.000000
Fuel left: 0.000000
Refuel Process successful

Getting nearest airport: KLAX

Setting Fuel: 12000 kg, 12000.000000 kg
Left Main Tank Quantity: 33872.550781
Right Main Tank Quantity: 33872.550781
Left Aux Tank Quantity: 2959.708008
Right Aux Tank Quantity: 2959.708008
Left Tip Tank Quantity: 0.000000
Right Tip Tank Quantity: 0.000000
Left Center Tank Quantity: 0.000000
Left Main Tank Percentage: 0.080347
Right Main Tank Percentage: 0.080347
Left Aux Tank Percentage: 0.000000
Right Aux Tank Percentage: 0.000000
Left Tip Tank Percentage: 0.000000
Right Tip Tank Percentage: 0.000000
Center Tank Percentage: 0.000000
Fuel left: 0.000000
Refuel Process successful

1602 - Overspeed-taxi penalty set active
1603 - Airborne ( Overspeed-taxi penalty deactivated)
1901 - Landing lights below 1000ft penalty
Getting nearest airport: KMDW