Service difficulty report · Csd · Doug DC987

Difficulty date
August 18, 2004
Submitted
August 20, 2004
Operation
Air carrier
Aircraft
N751RA
Make and model
Doug DC987
Aircraft serial
49779
Aircraft time
37,983 hours, 25,941 cycles
Engine
Pwa JT8D219
Part
Csd
Part number
696233B
Part serial
1062
Condition
Malfunctioned
Location
Rt Generator
Part time
2,983 hours, 1,744 cycles
Stage of operation
CL
How discovered
O
Nature of condition
M, J
Precautionary procedure
O

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

What was found

CAPTAIN REPORTED, DURING CLIMB CSD TEMPERATURE INCREASED UNTIL INDICATOR RED SECTION, INCREASING RISE TEMPERATURE, SHUTTING OFF CSD. REPORT WAS DEFERRED IAW MEL 24-1-1 CAT B. ENGINES RUN TEST WAS PERFORMED AT TAKEOFF THRUST (1.7 OF EPR'S) DURING 10 MINUTES, REACHING 115 DEGREES (C) AND TEMP RISE 5, SYSTEM AND WIRING WERE CHECKED BEING CORRECT. CSD HARNESS WAS DETECTED WITH DAMAGES AND A CONNECTOR WAS LOOSENED. CSD HARNESS WAS REPLACED IAW MM 24-11-1, TESTS WERE CORRECT. AFTER TAKEOFF CAPTAIN REPORTED CSD SHUTOFF IAW HIGH TEMPERATURE. DURING OVERNIGHT SERVICE, RIGHT CSD AND HEAT EXCHANGER AIR/OIL WERE REPLACED IAW MM, A HOST WAS DETECTED WITH DAMAGES, SO IT WAS REPLACED AND ALL TESTS WERE CORRECT.

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