diff --git a/equipment/admin.py b/equipment/admin.py
index 450203e..7c4de9c 100644
--- a/equipment/admin.py
+++ b/equipment/admin.py
@@ -1,7 +1,7 @@
 from django.contrib import admin
 from django import forms
 
-from .models import Equipment, EquipmentRemark, EquipmentRevision, EquipmentOwner, EquipmentPole, EquipmentCategory
+from .models import Equipment, EquipmentDefault, EquipmentRevision, EquipmentOwner, EquipmentPole, EquipmentCategory, EquipmentLost
 from .fields import IdField, IdWidget
 
 from shared.admin import admin_site
@@ -39,21 +39,33 @@ class EquipmentRevisionExtraInline(admin.TabularInline):
     classes = ['collapse']
 
 
-class EquipmentRemarkExtraInline(admin.TabularInline):
-    model = EquipmentRemark
+class EquipmentDefaultExtraInline(admin.TabularInline):
+    model = EquipmentDefault
     extra = 0
     form = IdForm
     formset = IdFormset
     classes = ['collapse']
 
+
+class EquipmentLostExtraInline(admin.TabularInline):
+    model = EquipmentLost
+    extra = 0
+    form = IdForm
+    formset = IdFormset
+    classes = ['collapse']
+
+
 class CharFieldModelAdmin(admin.ModelAdmin):
     list_display = ['name']
     ordering = ['name']
 
+
 class EquipmentAdmin(admin.ModelAdmin):
     list_display = ['name', 'stock', 'owner', 'pole', 'category']
     ordering = ['name', 'owner', 'pole', 'category']
-    inlines = [EquipmentRemarkExtraInline, EquipmentRevisionExtraInline]
+    inlines = [EquipmentDefaultExtraInline,
+               EquipmentLostExtraInline,
+               EquipmentRevisionExtraInline]
 
 
 admin_site.register(Equipment, EquipmentAdmin)
diff --git a/equipment/migrations/0002_auto_20180807_1658.py b/equipment/migrations/0002_auto_20180807_1658.py
new file mode 100644
index 0000000..fb9e8f2
--- /dev/null
+++ b/equipment/migrations/0002_auto_20180807_1658.py
@@ -0,0 +1,49 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.11 on 2018-08-07 16:58
+from __future__ import unicode_literals
+
+import datetime
+from django.db import migrations, models
+import django.db.models.deletion
+import equipment.fields
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('equipment', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='EquipmentDefault',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('remark', models.TextField(verbose_name='remarque sur le défaut')),
+                ('ids', equipment.fields.IdField()),
+                ('is_unusable', models.BooleanField(verbose_name='inutilisable')),
+                ('send_repare', models.BooleanField(verbose_name='à envoyer réparareur')),
+                ('equipment', models.ForeignKey(help_text='Matériel concerné par le defaut', on_delete=django.db.models.deletion.CASCADE, related_name='remarks', to='equipment.Equipment')),
+            ],
+            options={
+                'verbose_name': 'defaut matériel',
+                'verbose_name_plural': 'défauts sur le matériel',
+            },
+        ),
+        migrations.CreateModel(
+            name='EquipmentLost',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('lost_at', models.DateField(default=datetime.date.today, verbose_name='perdu le')),
+                ('ids', equipment.fields.IdField()),
+                ('equipment', models.ForeignKey(help_text='Matériel concerné par la perte', on_delete=django.db.models.deletion.CASCADE, related_name='losts', to='equipment.Equipment')),
+            ],
+        ),
+        migrations.RemoveField(
+            model_name='equipmentremark',
+            name='equipment',
+        ),
+        migrations.DeleteModel(
+            name='EquipmentRemark',
+        ),
+    ]
diff --git a/equipment/models.py b/equipment/models.py
index cbc1bbf..7a9e5e3 100644
--- a/equipment/models.py
+++ b/equipment/models.py
@@ -105,26 +105,39 @@ class EquipmentAttribution(models.Model):
         super(EquipmentAttribution, self).save(*args, **kwargs)
 
 
-class EquipmentRemark(models.Model):
-    remark = models.TextField(_("remarque sur le matériel"))
+class EquipmentDefault(models.Model):
+    remark = models.TextField(_("remarque sur le défaut"))
     equipment = models.ForeignKey(
                 Equipment,
                 related_name="remarks",
-                help_text=_("Matériel concerné par la remarque"),
+                help_text=_("Matériel concerné par le defaut"),
             )
     ids = IdField()
-    is_broken = models.BooleanField()
-    is_lost = models.BooleanField()
+    is_unusable = models.BooleanField(_("inutilisable"))
+    send_repare = models.BooleanField(_("à envoyer réparareur"))
 
     class Meta:
-        verbose_name = _("remarque sur matériel")
-        verbose_name_plural = _("remarques sur le matériel")
+        verbose_name = _("defaut matériel")
+        verbose_name_plural = _("défauts sur le matériel")
 
     def __str__(self):
         return "%s : %s" % (self.equipment.name,
                             self.remark)
 
 
+class EquipmentLost(models.Model):
+    lost_at = models.DateField(
+            _("perdu le"),
+            default=date.today,
+            )
+    equipment = models.ForeignKey(
+                Equipment,
+                related_name="losts",
+                help_text=_("Matériel concerné par la perte"),
+            )
+    ids = IdField()
+
+
 class EquipmentRevision(models.Model):
     date = models.DateField(
             _("date"),