Service difficulty report · Unknown · Boeing 737890

Difficulty date
January 24, 2011
Submitted
January 26, 2011
Operation
Air carrier
Aircraft
N589AS
Make and model
Boeing 737890
Aircraft serial
35686
Aircraft time
11,569 hours, 3,768 cycles
Part
Unknown
Condition
Malfunctioned
Location
Apu
Stage of operation
CR
How discovered
O
Nature of condition
O
Precautionary procedure
K

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

What was found

AT CRUISE APU OPERATING. NO VOLTS OR FREQUENCY ARE DISPLAYED. PERFORMED FIM TASK 49 60 00 801. NO CURRENT FAULTS PERFORMED APU OPERATIONAL TEST 49 11 00 710 801, SYSTEM OPS NORMAL.