SDR ASAA2014071408559

Service difficulty report · Warning Light · Boeing 737990ER

Difficulty date: July 14, 2014
Submitted: July 17, 2014
Operation: Air carrier
Aircraft: N435AS
Make and model: Boeing 737990ER
Aircraft serial: 43292
Aircraft time: 2,777 hours, 899 cycles
System (JASC): 3150 · Central Warning
Part: Warning Light
Condition: False Activation
Stage of operation: TX
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

DURING APU START ON PREFLIGHT, BLUE MAINTENANCE LIGHT ILLUMINATED. ACFT GROUNDED. PERFORMED FIM 49-60, TASK 801. ACCOMPLISHED BITE CHECK & FOUND NUISANCE MESSAGE 49-91227. PERFORMED LOW OIL, QTY FIM 49-90, TASK 804. MESSAGE CLEARED. APU OPS NORMAL, "LIGHT IS OUT".