What was found
(CAN) EMERGENCY DECLARED WITH ATC ACCOUNT OF BRIEF FIRE INDICATION. NO SMOKE VISIBLE IN ACFT BUT CABIN TEMPERATURE INCREASING. GENERIC O/O NR 3 REPLACED IAW AMM 31-41-06. CARGO HI-RATE BOTTLE REPLACED IAW AMM 26-23-01. CARRIED OUT WIRING CHECK IAW WDM 26-23-50. FOUND HIGH RESISTANCE ON GROUND STUD GS0287, 336 OHMS. UPON INSPECTION FOUND GROUND STUD VERY LOOSE. TIGHTENED AND SECURED, RESISTANCE CHECK CONFIRMED GROUND GOOD. OPS TESTED IAW 26-23-01. CHECK SERV.