As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
OXY LO PRESS AFTER LEVELING AT CRUISE CAPT OX MASK DEPLETED AIR. (FLIGHT 3699 - FILED CLOSED) FOUND CAPT O2 MASK HOSE BURST . REMOVED AND REPLACED CAPT SIDE O2 MASK REF TO CRJ 700 AMM 35-11-12 OPS TEST GOOD . NO LEAKS FOUND AT THIS TIME A/C OK FOR SERVICE