Masters john63 and Reg reveal a stealth recall campaign for this problem:

---an undocumented Service Campaign.

Some LG servicers are not aware of this as well.

some info for some models

CPSC, LG Electronics and Sears, Roebuck and Co. Announce Recall to Repair Refrigerators

(at least in) Canada: (maybe also USA)

"LG has committed to giving a lifetime warranty with regard to the light bulb defect

to the owners of affected LG and Kenmore refrigerators at no charge to the customer.

The warranty includes performing the necessary in-house repairs and possibly replacing the refrigerator in cases where

the plastic liner has warped to the point of being irreparable due to the increased heat generated by the light bulb."

LG AND KENMORE REFRIGERATOR ALERT: OVERHEATING LIGHT BULB

Source: 795.77569600 Sears by LG FF lites won't go out!