What was found
FLT 715, JFK-SJU, CAPTAIN SIDE PFC LOSES ALL AIRSPEED INFOR AND ALT DIFFERENCES OF 500 FT BETWEEN CAPT AND F/O'S NAV ALT. DISCREPANCY ON ECAM ON DESCENT CAPT AIRSPEED AT 0 IN CRUISE FROM 0 TO 302 FLT LEVEL 29000 FT. TSI ISSUED DUE NUMEROUS WRITE UP, REMOVED AND REPLACED ADIRU NR 1 IAW AMM 34-12-34, OPS CHECKS OK. REMOVED AND REPLACED SEC NR 1 IAW AMM 27-94-3404, OPS CHECKS GOOD. FINAL FIX, REMOVED AND REPLACED PHC-PROBE HEAT COMPUTER NR 1 (6DA1) REF 30-31-34, OPS CHECK GOOD.