Robolimbs require repair at 30 composite damage

code/modules/organs/organ_external.dm

@@ -398,7 +398,7 @@
 		user << "<span class='notice'>Nothing to fix!</span>"
 		return 0
 
-	if(damage_amount >= ROBOLIMB_REPAIR_CAP)
+	if(brute_dam + burn_dam >= ROBOLIMB_REPAIR_CAP)
 		user << "<span class='danger'>The damage is far too severe to patch over externally.</span>"
 		return 0
 
@@ -1131,7 +1131,7 @@ Note that amputating the affected organ does in fact remove the infection from t
 	return !(status & (ORGAN_MUTATED|ORGAN_DEAD))
 
 /obj/item/organ/external/proc/is_malfunctioning()
-	return ((robotic >= ORGAN_ROBOT) && (brute_dam + burn_dam) >= 25 && prob(brute_dam + burn_dam))
+	return ((robotic >= ORGAN_ROBOT) && (brute_dam + burn_dam) >= ROBOLIMB_REPAIR_CAP && prob(brute_dam + burn_dam))
 
 /obj/item/organ/external/proc/embed(var/obj/item/weapon/W, var/silent = 0)
 	if(!owner || loc != owner)

html/changelogs/Anewbe - Robolimb Repair.yml

@@ -0,0 +1,36 @@
+################################
+# Example Changelog File
+#
+# Note: This file, and files beginning with ".", and files that don't end in ".yml" will not be read. If you change this file, you will look really dumb.
+#
+# Your changelog will be merged with a master changelog. (New stuff added only, and only on the date entry for the day it was merged.)
+# When it is, any changes listed below will disappear.
+#
+# Valid Prefixes: 
+#   bugfix
+#   wip (For works in progress)
+#   tweak
+#   soundadd
+#   sounddel
+#   rscadd (general adding of nice things)
+#   rscdel (general deleting of nice things)
+#   imageadd
+#   imagedel
+#   maptweak
+#   spellcheck (typo fixes)
+#   experiment
+#################################
+
+# Your name.  
+author: Anewbe
+
+# Optional: Remove this file after generating master changelog.  Useful for PR changelogs that won't get used again.
+delete-after: True
+
+# Any changes you've made.  See valid prefix list above.
+# INDENT WITH TWO SPACES.  NOT TABS.  SPACES.
+# SCREW THIS UP AND IT WON'T WORK.
+# Also, all entries are changed into a single [] after a master changelog generation. Just remove the brackets when you add new entries.
+# Please surround your changes in  double quotes ("), as certain characters otherwise screws up compiling. The quotes will not show up in the changelog.
+changes: 
+  - rscdel: "Robotic limbs now need internal repair at 30 composite damage, rather than 30 of burn or brute."