SDR ASAA2015061612115

Service difficulty report · Warning Light · Boeing 737990ER

Difficulty date: June 16, 2015
Submitted: June 19, 2015
Operation: Air carrier
Aircraft: N457AS
Make and model: Boeing 737990ER
Aircraft serial: 36355
Aircraft time: 5,213 hours, 1,702 cycles
System (JASC): 3150 · Central Warning
Part: Warning Light
Condition: Illuminated
Location: Apu
Stage of operation: TX
How discovered: 9
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

AFTER LANDING, APU FAULT LIGHT ILLUMINATED UPON STARTING APU, SWITCH TO OFF AND FAULT LIGHT REMAINS ILLUMINATED. ACFT GROUNDED. FOUND MAINTENANCE MESSAGE 49-41254. PERFORMED FIM TASK 49-40, TASK 821 AND APU BITE PROCEDURE 49-60, TASK 801, NO MAINTENANCE MESSAGE ON CURRENT STATUS PAGE, GROUND VERIFICATION SUCCESSFUL. APU REQUIRES POST MAINTENANCE CSS, CSS PASSED.