SDR UIEA2019010300003

Service difficulty report · Warning System · Boeing 76731K

Difficulty date: January 3, 2019
Submitted: January 3, 2019
Operation: Air carrier
Aircraft: N1489A
Make and model: Boeing 76731K
Aircraft serial: 27206
Aircraft time: 103,863 hours, 20,106 cycles
System (JASC): 2160 · Cabin Temperature Control System
Part: Warning System
Condition: False Activation
Location: Cockpit
Stage of operation: CR
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

30 MINUTES INTO FLIGHT, EICAS MSG "FLT DECK TEMP", AFTER 1 HOUR IN MANUAL MODE TEMP ZONES 29/18/21 FLT DECK CONTROL IS INOP IN AUTO AND MANUAL MODES. (<P>PERFORMED BITE TEST IAW FIM 21-61 FAULT TREE 914. CLEARED MESSAGE AND PERFORMED OPS CHECK IAW AMM 21-61-07. OPS CHECK GOOD, NO FAULTS AT THIS TIME.</P>)

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