SDR NACA20060004

Service difficulty report · Carburetor · Doug DC6A

Difficulty date: January 24, 2006
Submitted: January 25, 2006
Operation: Air carrier
Aircraft: N6174C
Make and model: Doug DC6A
Aircraft serial: 44075
Aircraft time: 52,117 hours
Engine: Pwa R2800CB3
Engine time: 1,551 hours
System (JASC): 7322 · Fuel Control/Reciprocating Engines
Part: Carburetor
Condition: Iced
Location: Nr 4 Engine
Stage of operation: TO
How discovered: O
Nature of condition: R
Precautionary procedure: C

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

What was found

NR 4 ENGINE LOW BMEP AND LOW RPM. PERFORMED 30 INCH BAROMETRIC RUN PER NAC DC-6 OPS MANUAL SECT 9.200 DETERMINED CARB ICE TO BE PRESENT. RAN ENGINE TO GREEN RPM, ENGAGED CARB HEAT UNTIL IN GREEN RANGE. CLEANED ICE FROM CARBURETOR , RAN TO 30 INCH, OP CHECKED GOOD PER OPS MANUAL. 2100 RPM, 30 INCH 610 F/F, 6/4 DROP, 123 BMEP.

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