SDR IPXA13M79196

Service difficulty report · Bleed Valve · Doug MD11F

Difficulty date: July 5, 2013
Submitted: July 8, 2013
Operation: Air carrier
Aircraft: N296UP
Make and model: Doug MD11F
Aircraft serial: 48474
System (JASC): 4950 · APU Bleed Air System
Part: Bleed Valve
Condition: Inoperative
Location: Apu
Stage of operation: CR
How discovered: O
Nature of condition: G, J
Precautionary procedure: A

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

What was found

AFTER SELECTING ANTI-ICE ON ALL THREE ENGINES, WINGS, & TAIL, HAD MULTIPLE MALFUNCTIONS, STARTED WITH AVIONICS FAN OVERRIDE, BLEEDS 1 & 2 OFF, DUCTS 1 & 2 OFF CABIN IN FLOW LOW. REVERSED DMP 49-51-2-2, PERFORMED APU RTS OPS BITE TEST. TEST OK MM 49-00-00-700-801. ACCOMPLISHED APU OPS TEST IAW MM 49-10-00-700-801. NO FAULTS AT THIS TIME.

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