Service difficulty report · Warning Light · Boeing 737990ER

Difficulty date
May 19, 2020
Submitted
June 11, 2020
Operation
Air carrier
Aircraft
N487AS
Make and model
Boeing 737990ER
Aircraft serial
44108
Aircraft time
17,998 hours, 5,617 cycles
Part
Warning Light
Condition
False Activation
Location
Apu
Stage of operation
NR
How discovered
O
Nature of condition
N
Precautionary procedure
O

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

What was found

CSS START ATTEMPT FAILED AT FL400 FAULT LIGHT ILLUMINATED QRH COMPLIED WITH NO OTHER ATTEMPT. GROUNDED - YES. ACCOMPLISHED APU BITE REF B737-900 FIM 49-60 TASK 801, NO FAULTS FOUND.