Service difficulty report · Circuit Breaker · Doug DC987

Difficulty date
April 4, 2006
Submitted
April 7, 2006
Operation
Air carrier
Aircraft
N803ML
Make and model
Doug DC987
Aircraft serial
49726
Aircraft time
45,572 hours, 26,770 cycles
Part
Circuit Breaker
Part number
7274551
Condition
Failed
Stage of operation
CL
How discovered
O
Nature of condition
R
Precautionary procedure
B

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

What was found

AIRCRAFT AIR TURNED BACK AS A CONSEQUENCE OF LOST OF INDICATION OF THE RIGHT OIL PRESS, OIL TEMP, FUEL TEMP, HYD QTY, HYD PRESS AND FLAPS. THE CIRCUIT BREAKERS ASSOCIATED WITH THE FAILURE WERE CHECKED, FOUND THEM IN CLOSE POSITION. THE CIRCUIT BREAKER T-34 OF THE RIGHT SYSTEM DISPLAY PANEL WAS RESEATED AND THE FAILURE WAS CORRECTED. CIRCUIT BREAKER T-34 WAS REPLACED IAW M/M 20-50-06 AND THE SYSTEM WAS TESTED IAW M/M 31-61-00, BEING ALL CORRECT. DURING OVERNIGHT CHECK THE SYSTEM WAS TESTED IAW M/M 31-61-00, ALL CORRECT.

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