Service difficulty report · Drive Unit · Doug MD83

Difficulty date
December 5, 2010
Submitted
December 16, 2010
Operation
Air carrier
Aircraft
N583MD
Make and model
Doug MD83
Aircraft serial
49659
Aircraft time
52,405 hours, 37,200 cycles
Engine
Pwa JT8D1
Part
Drive Unit
Part number
699233B
Part serial
2710
Condition
Damaged
Location
Generator
Part time
48,528 hours, 27,529 cycles
Stage of operation
CL
How discovered
O
Nature of condition
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 THAT DURING CLIMB THE RT UVC AND GENERATOR WERE DISCONNECTED BY HIGH TEMPERATURE; SO THE FLIGHT CREW PERFORMED THE DRIVE GENERATOR MALFUNCTION PROCEDURE, CONFIRMING THE FAILURE AND SHUT DOWN THE UVC AND GENERATOR, CONTINUING TO DESTINATION. DURING MX REVISION, IT WAS DETECTED METAL CHIPS IN THE IN THE UVC; SO THE RT UVC WAS REPLACED AND AIR /OIL HEAT EXCHANGE IAW MM 24-10-1 AND 24-10-3, TESTED CORRECT.

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