SDR NSVA2010147

Service difficulty report · Start Valve · Saab 340B

Difficulty date: August 30, 2010
Submitted: September 1, 2010
Operation: Air carrier
Aircraft: N249CJ
Make and model: Saab 340B
Aircraft serial: 249
Aircraft time: 42,109 hours, 38,447 cycles
Engine: Ge CT79B
System (JASC): 8012 · Engine Start Valves/Controls
Part: Start Valve
Condition: Malfunctioned
Location: Engine
Stage of operation: DE
How discovered: O
Nature of condition: O
Precautionary procedure: O

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

What was found

DURING DESCENT OUT OF 16,000, CREW NOTICED UNUSUAL ENGINE INDICATIONS. CREW COMPLIED WITH RELEVANT CHECKLISTS AND LANDED AT BDL WITHOUT FURTHER INCIDENT. MAINTENANCE HAS DISPATCHED CONTRACT MECHANIC TO EXAMINE THE PROBLEM. BORESCOPED ENGINE, NO DAMAGE FOUND, CHANGED THE ANTI-ICE START VALVE AND PERFORMED ENGINE RUNS, OPS CHECKED GOOD.

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