SDR UIEA2020040800715

Service difficulty report · Eec · Boeing 7673Y0

Difficulty date: April 8, 2020
Submitted: April 8, 2020
Operation: Air carrier
Aircraft: N1181A
Make and model: Boeing 7673Y0
Aircraft serial: 26206
Aircraft time: 87,543 hours, 21,887 cycles
Engine: Ge CF680C2B7F
System (JASC): 4930 · APU Engine Fuel and Control
Part: Eec
Condition: Malfunctioned
Location: Apu
Stage of operation: TX
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

PRIOR TO ENGINE START, WITH SELECTION OF HYDRAULIC DEMAND PUMPS, APU AUTO SHUT DOWN DUE TO RIGHT EEC CB CHANNEL A.(RESET CB, REF FIM 73-21 FT 885, NO FAULTS NOTED.ITEM 2: APU STARTED FIRST ATTEMPT, NO APU WORK DONE, NO FAULTS NOTED. NO COLD SOAK REQUIRE. REF AMM 49-11-01. )

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