SDR NACA2021061400001

Service difficulty report · Warning Message · Boeing 767323

Difficulty date: June 13, 2021
Submitted: June 14, 2021
Operation: Air carrier
Aircraft: N321CM
Make and model: Boeing 767323
Aircraft serial: 29431
Aircraft time: 81,344 hours, 13,518 cycles
System (JASC): 2160 · Cabin Temperature Control System
Part: Warning Message
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

DISCREPANCY: AFTER ENGINES WERE STARTED, AFT CABIN TEMP, FWD CABIN TEMP, FLT DECK TEMP EICAS MESSAGES ALL ILLUMINATED, RETURNED TO GATE. CORRECTIVE ACTION: PERFORMED BITE CHECK AND RESET ALL THREE BOXES IAW AMM 21-61-03, OPS CHECK GOOD.