SDR ARWA981207

Service difficulty report · Bleed Valve · Doug DC863F

Difficulty date: December 11, 1998
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N661AV
Make and model: Doug DC863F
Aircraft serial: 45969
Engine: Pwa JT3D7
System (JASC): 7532 · Compressor Bleed Valve
Part: Bleed Valve
Part number: K98019
Condition: Malfunctioned
Location: Nr 4 Engine
Stage of operation: CL
Nature of condition: R
Precautionary procedure: O

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

What was found

AFTER ROTATION WITH ANTI-ICE ON, NR 4 ENGINE HAD A COMPRESSOR STALL. ALL PARAMETERS FOR REMAINDER OF FLIGHT NORMAL. REMOVED AND REPLACED NR 4 ENGINE SURGE BLEED VALVE, RT AND LT, IGV ANTI-ICE VALVE, GROUND OPERATION CHECK NORMAL IAW M/M 75-20-3, 75-10-5 AND 71-20-0.

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