SDR NACA2021061500001

Service difficulty report · Warning Light · Boeing 767323

Difficulty date: June 15, 2021
Submitted: June 16, 2021
Operation: Air carrier
Aircraft: N321CM
Make and model: Boeing 767323
Aircraft serial: 29431
Aircraft time: 81,360 hours, 13,521 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: D

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

What was found

AFT CABIN TEMP, FWD CABIN TEMP, AND FLIGHT DECK TEMP EICAS LIGHTS CAME ON AFTER STARTING THE ENGINES. PERFORMED BITE TEST OF CABIN ZONE TEMP CONTROLLER, NO FAULTS. RESET CONTROLLER, OPS CHECK GOOD. GROUND VERIFICATION COMPLETED, AIRCRAFT REMAINS ETOPS 180.