SDR P5CA0401131

Service difficulty report · Valve · Boeing 7472D3B

Difficulty date: July 27, 2004
Submitted: August 3, 2004
Operation: Air carrier
Aircraft: N505MC
Make and model: Boeing 7472D3B
Aircraft serial: 21251
Aircraft time: 86,902 hours, 19,062 cycles
Engine: Ge CF650E2
Engine time: 51,861 hours, 11,569 cycles
System (JASC): 7320 · Fuel Controlling System
Part: Valve
Condition: Malfunctioned
Location: Pylon
Stage of operation: TX
How discovered: O
Nature of condition: J
Precautionary procedure: D

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

What was found

AFTER ENGINE START NR 1 ENGINE HAD NO RESPONSE TO THROTTLE MOVEMENT. ALL INSTRUMENTS INDICATED ENGINE AT IDLE POWER. CLEANED CDP LINE, NO HELP, REPLACED CIT SENSOR, ENGINE NOW RUNS HIGH EGT, FOUND PYLON VALVE AT FAULT, OPENED DMI NR 36-5-2.

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