What was found
FLT 390 - AT TOP OF DESCENT, THE ENGINE RT BOTTLE SQUIB INDICATION DIP DID NOT TEST. LEFT OK. DURING DESCENT WHEN TESTING THE NR 2 RIGHT BOTTLE SQUIB, LIGHT FLICKERED ON AND OFF. OPS CHECK NORMAL ON THE GROUND. PERFORMED SQUIB TEST OF NR 1 ENGINE, FOUND RIGHT SQUIB DID NOT TEST, LEFT SIDE OK. NR 2 ENGINE DID NOT CHECK OK ON GROUND WITH ENGINE RUNNING, RIGHT SQUIB LIGHT FLICKERED. RE-SECURED SQUIB WIRE AT BACKSHELL CONNECTOR WDM 26 21 11. SQUIB TEST OK MM 2620 00. REMOVED AND REPLACED THE NR 1 ENGINE FIRE BOTTLE AND SQUIB MM 26-20-00. (X)