Service difficulty report · Gammah Fitting · Doug DC1010

Difficulty date
September 21, 1996
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N1825U
Make and model
Doug DC1010
Aircraft serial
46624
Engine
Ge CF66D
Part
Gammah Fitting
Part number
9013M796019005
Condition
Loose
Location
Engine Oil Syst
Stage of operation
IN
Nature of condition
K, J
Precautionary procedure
O

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

What was found

UPON ARRIVAL FOUND ENGINE OIL QUANTITY AT ZERO. ADDED 19 QUARTS, RAN ENGINE AND FOUND LEAK AT AFT OIL SCAVENGE STRUT INSIDE AND OUTSIDE TAILPIPE. ALSO, FOUND OIL POOLING AT TURBINE EXIT GUIDE VANES. *S/D* D-SUMP GAMMAH FITTING LOOSE/WORN, SLEEVE ID WORN. BOTH LINES REPLACED ALONG WITH THE VENT TUBING IN THE MID SHAFT AREA FRONT TO BACK. THE LPT ROTOR/STATOR/TRF WAS REPLACED DUE TO OIL WET AND TO REMEASURE AIR/OIL SEALS. THE ENGINE RUN WAS GOOD. THIS IS UNIQUE AND CONSIDERED TO BE A ONE TIME OCCURANCE (P/N 9013M79601, 9005M71601, 9013MSCP10).

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