Service difficulty report · Apu · Boeing 737890

Difficulty date
June 14, 2013
Submitted
June 18, 2013
Operation
Air carrier
Aircraft
N579AS
Make and model
Boeing 737890
Aircraft serial
35187
Aircraft time
23,997 hours, 7,147 cycles
Engine
Cfmint CFM567B27
Part
Apu
Part number
38007021
Part serial
P7544
Condition
Underserviced
Location
Tail
Part time
4,081 hours, 7,168 cycles
Stage of operation
TX
How discovered
O
Nature of condition
W, J
Precautionary procedure
O

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

What was found

ON APU START, BLUE MAINT LIGHT ILLUMINATED. ACFT GROUNDED. INTERROGATED APU FAULT PAGE ON CDU, FOUND APU OIL LOW FAULT. SERVICED APU GEARBOX OIL QTY TO FULL IAW AMM 12-13-31. PERFORMED APU OPS CHECK IAW AMM 49-11-00, OPS CHECK GOOD.