SDR FDEA201203020737

Service difficulty report · Unknown · Doug MD1010F

Difficulty date: March 2, 2012
Submitted: March 5, 2012
Operation: Air carrier
Aircraft: N559FE
Make and model: Doug MD1010F
Aircraft serial: 46930
Aircraft time: 94,894 hours, 30,097 cycles
System (JASC): 2400 · Electrical Power System
Part: Unknown
Condition: Unknown
Location: Electrical Power
Stage of operation: IN
How discovered: C
Nature of condition: L
Precautionary procedure: K

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

What was found

DURING EMERGENCY POWER TEST AND EXTERNAL POWER AND APU POWER SELECTED, UNABLE TO GET A GOOD TEST UNTIL DESELECTING EXTERNAL POWER. DURING TEST DISPLAY UNITS 1, 2, & 3, BLANK AS NORMAL BUT WHILE EXT POWER CONNECTED WOULD NOT REINSTATE. TESTED EMERGENCY POWER SYS IAW AMM 24-00-00-5. NO DEFECTS NOTED. OK TO CONTINUE.

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