As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TWO EACH CABIN LIFE RAFTS, CYLINDER PRESSURE GAUGE NEEDLES ARE IN RED BAND (LOW PRESSURE). [SUP 05-18-07] LOW BOTTLE PRESSURE ATTRIBUTED TO A LEAKING GAUGE O-RING, WHICH APPARENTLY FAILED TO SEAL. FILL VALVE WAS FOUND LOOSE. TIGHTENED VALVE AND RETESTED.