Service difficulty report · Valve · Boeing 7472D3B

Difficulty date
July 9, 2004
Submitted
July 12, 2004
Operation
Air carrier
Aircraft
N505MC
Make and model
Boeing 7472D3B
Aircraft serial
21251
Aircraft time
86,682 hours, 19,015 cycles
Engine
Ge CF650E2
Engine time
73,061 hours, 15,720 cycles
Part
Valve
Condition
Malfunctioned
Location
Nr 1 Engine
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

ON ENGINE START-UP NR 1 ENGINE PYLON VALVE WILL NOT OPEN DURING MANUAL ENGINE START. REPOSITIONED PYLON VALVE IN ORDER TO ACHIEVE ENGINE START, OPS CHECK GOOD IAW MM 36-11-04.

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