Service difficulty report · Fault Code · Boeing 737990ER

Difficulty date
March 26, 2018
Submitted
March 28, 2018
Operation
Air carrier
Aircraft
N495AS
Make and model
Boeing 737990ER
Aircraft serial
41728
Aircraft time
8,358 hours, 2,794 cycles
Part
Fault Code
Condition
False Activation
Stage of operation
TX
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

CONTROL CABIN ZONE TEMP ILLUMINATED ON RECALL AFTER ENGINE START. ACFT GROUNDED. PERFORMED FIM 21-62 TASK 842, INITIAL EVALUATION GOOD. IAW FIM 21-62 TASK 801 FAULT HISTORY SHOWED ON BOTH PFTCS, THE LAST FAULT ON FLT 007 OF A F/D SELECTOR 21-51311 FAULT. NO EXISTING OR CURRENT FAULTS. PERFORMED FULL FIM 21-62 TASK 801 BITE TEST ON BOTH PFTC'S. BOTH PASS W/NO FAULTS. IAW FIM INTERMITTENT FAULT.