Service difficulty report · Memory Device · Boeing 737890

Difficulty date
September 5, 2022
Submitted
September 7, 2022
Operation
Air carrier
Aircraft
N538AS
Make and model
Boeing 737890
Aircraft serial
41188
Aircraft time
37,273 hours, 10,864 cycles
Part
Memory Device
Part number
38762871
Part serial
AGE16308
Condition
Faulted
Location
Apu
Part time
7,083 hours, 12,405 cycles
Stage of operation
IN
How discovered
V
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

APU BITE SHOWS FAULT CODE 49-72101 LAST 18 STARTS. GROUNDED - YES. REMOVED AND REPLACED DATA MEMORY MODULE IAW B737-800 AMM 49-72-11.