As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ETOPS - ECAM: MOMENTARILY APPEARED AT GEAR EXTENSION HYD G RSVR LO AIR PR. REMOVED & REPLACED AIR PRESSURIZATION UNIT 5240JMZ IAW AMM 29-14-53-400-801-A. TEST OF APUM HYD SYS IAW AMM 29-00-00 AND FUNCTIONAL TEST OF HYD RESERVOIR PRESS SYS AMM 29-14-00 & LEAK CHECK ARE OK. A/C OK TO CONTINUE