Service difficulty report · Module · Boeing 737890

Difficulty date
September 24, 2015
Submitted
September 28, 2015
Operation
Air carrier
Aircraft
N579AS
Make and model
Boeing 737890
Aircraft serial
35187
Aircraft time
32,889 hours, 9,856 cycles
Part
Module
Part number
38762871
Part serial
GE5637
Condition
Failed
Location
Apu
Part time
6,028 hours, 11,173 cycles
Stage of operation
IN
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

WHILE ACCOMPLISHING T/C 78249000, FOUND CDU'S APU MSG 49-72103, DMM SHOWS CIRCUIT FAILURE, ON CURRENT STATUS PAGE. ACFT GROUNDED. REPLACED APU DATA MEMORY MODULE IAW AMM 49-72-11.