SDR ARWA0010103

Service difficulty report · Bleed Valve · Doug DC862

Difficulty date: January 28, 2001
Submitted: January 30, 2001
Operation: Air carrier
Aircraft: N1808E
Make and model: Doug DC862
Aircraft serial: 46105
Aircraft time: 67,101 hours, 26,110 cycles
Engine: Pwa JT3D7
Engine time: 48,034 hours, 15,665 cycles
System (JASC): 7532 · Compressor Bleed Valve
Part: Bleed Valve
Condition: Dirty
Location: Nr 2 Engine
Component: Engine · Pwa
Stage of operation: TO
How discovered: V
Nature of condition: R, J
Precautionary procedure: C

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

What was found

AT THE BEGINNING OF TAKEOFF ROLL NR 2 ENGINE HAD COMPRESSOR STALL. ENGINE PARAMETER WERE TAKEOFF, EPR WAS 1.88; DROPPED TO 1.75 N2 AND RECOVERED, FUEL FLOW DMI AND EGT WAS NORMAL. PERFORMED VISUAL CHECK AIR BLEED VALVE, CLEANED AND LUBRICATED IAW M/M 75-30-3; CHECKED DURING ENGINE RUN IAW M/M 71-00, WORKS NORMAL.

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