SDR UIEA2018052600967

Service difficulty report · Start Valve · Boeing 7673S1

Difficulty date: May 21, 2018
Submitted: May 29, 2018
Operation: Air carrier
Aircraft: N640GT
Make and model: Boeing 7673S1
Aircraft serial: 25221
Aircraft time: 85,737 hours, 18,215 cycles
System (JASC): 8012 · Engine Start Valves/Controls
Part: Start Valve
Part number: 32911723
Part serial: 1773
Condition: Malfunctioned
Location: Lt Engine
Stage of operation: CL
How discovered: O
Nature of condition: J
Precautionary procedure: O

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

What was found

LEFT STARTER CUTOUT CAUTION MESSAGE DURING CLIMB OUT. REMOVED AND REPLACED THE LT ENGINE START VALVE IAW AMM 80-11-02, OPS TESTED NORMAL, REMOVED AND REPLACED THE LT ENGINE START VALVE HARNESS IAW AMM 80-11-11, & WDM 80-11-11. SYSTEM OPS TESTED NORMAL DURING ENGINE RUN UP IAW AMM 71-00-00.

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