As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(AUS) EMERGENCY LANDING GEAR BLOW DOWN BOTTLE HANDLE WOULD NOT OPERATE. INVESTIGATION FOUND THE TEFLON BUSHING LOCATED BETWEEN THE FIRING PLUNGER AND THE OUTLET LINE BLOCK WAS SWOLLEN AND JAMMED PREVENTING THE BOTTLE FROM FIRING. OIL CONTAMINATION WAS FOUND IN THE BOTTLE HEAD.