SDR UIEA2018020600185

Service difficulty report · Apu · Boeing 76737D

Difficulty date: February 5, 2018
Submitted: February 7, 2018
Operation: Air carrier
Aircraft: N1327A
Make and model: Boeing 76737D
Aircraft serial: 26328
Aircraft time: 80,796 hours, 11,177 cycles
System (JASC): 4920 · APU Core Engine
Part: Apu
Condition: Shutdown
Stage of operation: NR
How discovered: 9
Nature of condition: O
Precautionary procedure: O

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

What was found

APU SHUT DOWN WHEN APU GENERATOR WAS PUT ON LINE. PERFORMED A BITE CHECK OF APU ECU LAST 2 SHUTDOWNS WERE REVERSE FLOW. PERFORMED FIM 49-11 FT 994 SYSTEM OK, OPERATED APU UNDER ELECTRICAL & PNEUMATIC LOAD IAW AMM 49-11-00, NO FAULTS NOTED, PERFORMED A BITE CHECK IAW FIM 49-11 FT 958, NO FAULTS NOTED.

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