You dont need a hangar to change a landing gear, plenty of work is done outside without hangars.
In CLT they use to do the bulkhead repairs on the 737s outside due to lack of hangar space, engine changes are done outside at stations where there are no hangars.
In CLT they use to do the bulkhead repairs on the 737s outside due to lack of hangar space, engine changes are done outside at stations where there are no hangars.