SDR F3LA200100040

Service difficulty report · Control Unit · Boeing 7372L9

Difficulty date: March 7, 2001
Submitted: March 8, 2001
Operation: Air carrier
Aircraft: N270FL
Make and model: Boeing 7372L9
Aircraft serial: 22733
Aircraft time: 48,087 hours, 31,392 cycles
System (JASC): 3520 · Passenger Oxygen System
Part: Control Unit
Part number: 2250407
Part serial: 1506
Condition: Failed
Location: Oxygen Sys
Stage of operation: IN
How discovered: V
Nature of condition: O
Precautionary procedure: K

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

What was found

PRIOR TO DEPARTURE, FLIGHT CREW REPORTED ALL PASSENGER OXYGEN MASKS DEPLOYED AFTER OXYGEN SYSTEM WAS SERVICED. REPLACED PASSENGER OXYGEN CONTINUOUS FLOW CONTROL UNIT PER MM 35-21-21, RESTOWED OXYGEN MASKS, PERFORMED OPERATIONAL TEST AND LEAK CHECK, AND SYSTEM CHECKED OK.

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