Service difficulty report · Panel · Doug MD11F

Difficulty date
November 21, 2003
Submitted
November 26, 2003
Operation
Air carrier
Aircraft
N253UP
Make and model
Doug MD11F
Part
Panel
Condition
Dirty
Location
Apu
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
K

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

What was found

INSPECTION TYPE:N/A AFTER ENGINE START (ALL 3) APU SHUT DOWN. LOST ENG NR 2 PNEUMATIC BLEED. MX DEF THE WRITE UP AND MANUALLY LOCKED THE NR 2 BLEED VALVE CLOSED. AFTER T/O & CLIMBING OUT PASSING AT 10,000 RECVD AIR SYS 1 PRESSURE LOW LIGHT. LOST THE PRESSURE ON 1 PNEUMATIC SYSTEM. IN AUTOMATIC MODE & SYS 3 DID NOT P/U SYS 1 OR 2. INSPECTED SYSTEM DEFERRED APU LOAD BLEED VALVE 49-51-1-1DMP COMPLIED W/ACTIVATED NR 2 SYSTEM PLACARD INSTALLED DI M270927 REMOVED & CLEANED C/P'S ON LOAD CONTROL VALVE CLEARED ALL FAULTS FROM CFDS OPS TEST OF APU BLEED SYS NORMAL. NO FAULTS, OK FOR SERVICE. THIS CLEARS M270927.

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