As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) NR 2 MAXARET LEAKING. NR 1 & 2 MAXARET REPLACED WITH OVERHAULED UNITS. BOTH MAXARET COUPLINGS REPLACED WITH NEW UNITS. OVERHAULED MODULATOR VALVE INSTALLED. SYSTEM LEAK CHECK C/W. RESERVOIR SERVICED TO PROPER LEVEL. NOTE: HBC SUSPECTS THE REMOVED MAXARET COUPLINGS ARE WORN OR ARE CRACKED. WITH NEW COUPLINGS INSTALLED NR 2 MAXARET WAS INSTALLED WITH NORMAL SIZED O-RINGS.