Service difficulty report · Apu · Boeing 737890

Difficulty date
August 14, 2011
Submitted
August 16, 2011
Operation
Air carrier
Aircraft
N587AS
Make and model
Boeing 737890
Aircraft serial
35684
Aircraft time
14,494 hours, 4,343 cycles
Part
Apu
Part number
38007021
Part serial
P7870
Condition
Oil Consumption
Location
Apu Bay
Part time
3,575 hours, 5,573 cycles
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
K

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

What was found

ON CLIMBOUT NOTICED APU MAINT LIGHT ON. C/W APU BITE PROCEDURE PER AMM 49 60 00 810 801. FAULT CODE 49 91227 LOW OIL QUANTITY LOGGED. SERVICED 2 QTS OF OIL IN APU. REF 12 13 31 FAULT CLEARED FROM CURRENT STATUS APU OPS NORMAL. TSR ISSUED DUE TO HISTORY OF HIGH OIL CONSUMPTION. REPLACED APU REF T/C 78349010. LEAK AND OPS CHECK NORMAL.