SDR ASAA2016030215727

Service difficulty report · Warning Light · Boeing 737890

Difficulty date: March 2, 2016
Submitted: March 4, 2016
Operation: Air carrier
Aircraft: N594AS
Make and model: Boeing 737890
Aircraft serial: 35191
Aircraft time: 30,677 hours, 9,304 cycles
System (JASC): 2610 · Detection System
Part: Warning Light
Condition: Illuminated
Stage of operation: TX
How discovered: O
Nature of condition: J
Precautionary procedure: O

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

What was found

DURING F/O PREFLIGHT AND FIRE DETECTION TEST WHEN FIRE/OVERHEAT SWITCH ENGAGED, FAULT, LIGHT ILLUMINATES AND FIRE HANDLE NR 2 DOES NOT ILLUMINATE. CYCLED THEN TEST PROCEDURE AND NOW OPS CHECK NORMAL. ACFT GROUNDED. ACCOMPLISHED FIM 26-10, TASK 801. NO FAULTS LOGGED, BITE TEST OK, GROUND VERIFICATION TEST OK.