Service difficulty report · Warning Message · Boeing 747300

Difficulty date
May 18, 2012
Submitted
May 18, 2012
Operation
Air carrier
Aircraft
N641GT
Make and model
Boeing 747300
Aircraft serial
25132
Aircraft time
68,120 hours, 20,754 cycles
Part
Warning Message
Condition
False Activation
Location
Cabin Alititude
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

EICAS STATUS MESSAGE " CABIN ALT AUTO 2" DISPLAYED. PERFORMED FAULT ISOLATION IAW AMM 21-31-00/101, FIG 110, STEP 23 REF TO FIG 103 THRU STEP 5, SYS IS OK.

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