Service difficulty report · Fault Message · Boeing 7673S1

Difficulty date
September 9, 2021
Submitted
September 13, 2021
Operation
Air carrier
Aircraft
N640GT
Make and model
Boeing 7673S1
Aircraft serial
25221
Part
Fault Message
Condition
False Activation
Location
Apu
Stage of operation
NR
How discovered
O
Nature of condition
N
Precautionary procedure
O

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

What was found

APU FAULT MAX EGT 778 RPM 39(<P>PERFORMED APU ECU BITE CHECK IAW 49-61-05. NO FAULTS PRESENT. PERFORMED OPERATIONAL CHECK OF APU IAW AMM 49-11-00. NO DEFECTS NOTED AT THIS TIME.</P>)

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