SDR MWEA97786

Service difficulty report · Oxy Mask · Doug DC914

Difficulty date: September 19, 1997
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N400ME
Make and model: Doug DC914
Aircraft serial: 45727
System (JASC): 3520 · Passenger Oxygen System
Part: Oxy Mask
Condition: Out Of Adjust
Location: Cabin
Stage of operation: CR
Nature of condition: L
Precautionary procedure: K

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

What was found

CLIMBING, O2 MASK DROPPED AS PRESS LT ON CAB INDICATED 8,500 FT AT APPROX 26,000 FT. MTC PERFORMED ADJUST TST IAW DC9MM 35-20-00. REINSTALLED MASK, REMOVED AND REPLACED O2 REGU IAW DC9MM35-20-1. PERFORMED TST AUTO PRESS SYS MM21-32-0, WITH SYS TESTING GOOD.

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