SDR DALA2016050603779

Service difficulty report · Oxygen Mask · Doug MD9030

Difficulty date: May 5, 2016
Submitted: May 9, 2016
Operation: Air carrier
Aircraft: N945DN
Make and model: Doug MD9030
Aircraft serial: 53559
Aircraft time: 37,889 hours, 31,850 cycles
System (JASC): 3520 · Passenger Oxygen System
Part: Oxygen Mask
Condition: Unwanted Deploy
Location: Cabin
Stage of operation: CL
How discovered: O
Nature of condition: O
Precautionary procedure: A

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

THE CREW PERFOMED AN AIR TURN BACK TO ATL. AFTER TAKEOFF, CLIMBING THROUGH 1000 GL, THE LEFT CAPTAINS SIDE OF ACFT, O2 MASKS DROPPED. PRESSURIZATION NORMAL. MAINTENANCE FOUND SHORTED WIRES IN BUNDLE BACK WALL CONNECTOR PLUG SIDE FROM SWITCH 889347. REPAIRED IAW SWPM. ALL CHECKS GOOD.

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