SDR 0301611225

Service difficulty report · Generator · Doug DC1030

Difficulty date: August 19, 2003
Submitted: August 25, 2003
Operation: Air carrier
Aircraft: N225NW
Make and model: Doug DC1030
Aircraft serial: 46582
Aircraft time: 117,151 hours, 26,420 cycles
System (JASC): 2420 · AC Generation System
Part: Generator
Part number: 977J1504
Part serial: SW785
Condition: Failed
Location: Nr 2 Engine
Part time: 21,780 hours
Stage of operation: CR
How discovered: O
Nature of condition: H, J
Precautionary procedure: A

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

What was found

DURING CRUISE, NR 2 GENERATOR TRIPPED OFF AND THEN NR 1 CSD TEMPERATURE CLIMBED AND TRIPPED OFF. FLIGHT DUMPED 70,000 LBS OF FUEL AND RETURNED TO DTW. MAINTENANCE REPLACED THE NBR 1 GENERATOR AND SERVICED CSD AND REPLACED NR 2 GENERATOR CONTROL, GENERATOR, CSD CONTROLLER, AND CSD. OPERATIONAL CHECK OK.

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