Service difficulty report · Warning System · Boeing 737436

Difficulty date
March 25, 2019
Submitted
March 27, 2019
Operation
Air carrier
Aircraft
N401YK
Make and model
Boeing 737436
Aircraft serial
25860
Aircraft time
56,438 hours, 35,417 cycles
Part
Warning System
Condition
False Activation
Location
Cockpit
Stage of operation
CR
How discovered
O
Nature of condition
N
Precautionary procedure
K

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

What was found

FIRE WARNING, MASTER CAUTION LIGHT & BELL ACTIVATED FOR APPROXIMATELY 1 SECOND THEN SELF CLEARED. FIRE WARN/MASTER CAUTION LIGHT & BELL ACTIVATED UNTIL CANCELLED. UPON RECALL, FIRE WARN REMAINS OFF, MASTER CAUTION ILLUMINATES. PERFORMED AMM 26-11-00 ON THE ENGINE FIRE DETECTION SYSTEM. TESTED NORMAL. PERFORMED AMM 30-31-00 ON THE PITOT STATIC TUBES, ALPHA VANE, TEMP PROBE ALL TEST NORMAL.