What was found
(CAN) RAPID DESCENT DUE TO RECURRING BLEED FAULTY OF NR 2 SYSTEM. REPLACED NR 2 ENGINE FAN VALVE, REPLACED 6730B01, NR 1 BLEED PRESSURE REGULATOR VALVE (P/N 6714C01) AND REPLACED TEMPERATURE CONTROL THERMOSTAT (P/N 342D030000).
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(CAN) RAPID DESCENT DUE TO RECURRING BLEED FAULTY OF NR 2 SYSTEM. REPLACED NR 2 ENGINE FAN VALVE, REPLACED 6730B01, NR 1 BLEED PRESSURE REGULATOR VALVE (P/N 6714C01) AND REPLACED TEMPERATURE CONTROL THERMOSTAT (P/N 342D030000).