Service difficulty report · Coil · Doug DC6A

Difficulty date
May 2, 2001
Submitted
May 4, 2001
Operation
Air carrier
Aircraft
N43872
Make and model
Doug DC6A
Aircraft serial
533294
Aircraft time
62,286 hours
Engine
Pwa R2800CB3
Engine time
72 hours
Part
Coil
Part number
10553991C
Condition
Shorted
Location
Nr 5 Cylinder
Component
Engine · Pwa · CB3
Component part number
R2800
Stage of operation
CR
How discovered
O
Nature of condition
R
Precautionary procedure
E, A

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

What was found

NR 1 ENGINE SHUTDOWN AT 2224Z DUE TO 1 BACKFIRE AND LOW COMPRESSION PATTERN ON CYLINDER NR 5. REPLACED NR 5 CYLINDER COIL, CHECKED PLUGS, LEADS, AND Y-LEAD (ALL GOOD). NORMAL ANALYZER ON RUNNUP, COMPRESSION CHECK 70/80.

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