SDR ASAA2018030323735

Service difficulty report · Warning Light · Boeing 737990ER

Difficulty date: March 3, 2018
Submitted: March 6, 2018
Operation: Air carrier
Aircraft: N494AS
Make and model: Boeing 737990ER
Aircraft serial: 41729
Aircraft time: 8,253 hours, 2,713 cycles
System (JASC): 2160 · Cabin Temperature Control System
Part: Warning Light
Condition: False Activation
Location: Cabin Temp
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

AFTER ENGINE START AND PUSHING RECALL, RECEIVED A MASTER CAUTION, AIRCOND, AND CONTROL CABIN ZONE TEMP" LIGHTS. LIGHTS EXTINGUISHED AFTER PUSHING MASTER CAUTION RESET. ACFT GROUNDED. CHECKED AND CONFIRMED ZONE TEMP CONTROL CABIN LIGHT RESET AND IAW AMM 21-61-00, CURRENT FAULT NONE AND GROUND TEST PASSED.