What was found
CABIN PRESSURE 1 + 2 CONTROLLERS INOP. GROUNDED - YES. REMOVED AND REPLACED OUTFLOW VALVE (10HL) REF AMM 21-31-51. OPERATIONAL CHECKS NORMAL. A/C OK FOR SERVICE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
CABIN PRESSURE 1 + 2 CONTROLLERS INOP. GROUNDED - YES. REMOVED AND REPLACED OUTFLOW VALVE (10HL) REF AMM 21-31-51. OPERATIONAL CHECKS NORMAL. A/C OK FOR SERVICE.