As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT#44, LGW-JFK. (ETOPS) '(AIRCRAFT PERFORMED AN AIR TURN BACK TO LGW) 'PACK 2 AND/ OR BLEED 2 INOPERATIVE. NO ASSOCIATED ECAM ON BLEED SYSTEM PAGE. PACK 2 FCV INDICATES CLOSED. BLEED 2 IND CLOSED. BLEED OUTPUT 40 PSI WITH TEMP OF 70-115C. ON PRESS PAGE PACK 2 OFF INDICATION; PER TSM 21-51-00-810-804-A REPLACED PACK 2 FLOW CONTROL UNIT (24HB) REF AMM 21-51-51. OPS AND LEAK CHECK OK.'