What was found
UNABLE TO PRESSURIZE AIRCRAFT WITH LEFT PACK. REPLACED PRESSURIZATION CONTROLLER, GROUND OPS OK. CLEANED RT PACK COMPRESSOR DISCHARGE SW S2. RT PACK OPS OK.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
UNABLE TO PRESSURIZE AIRCRAFT WITH LEFT PACK. REPLACED PRESSURIZATION CONTROLLER, GROUND OPS OK. CLEANED RT PACK COMPRESSOR DISCHARGE SW S2. RT PACK OPS OK.