Service difficulty report · Warning Message · Boeing 76733A

Difficulty date
April 3, 2018
Submitted
April 3, 2018
Operation
Air carrier
Aircraft
N1997A
Make and model
Boeing 76733A
Aircraft serial
27310
Aircraft time
93,320 hours, 18,562 cycles
Part
Warning Message
Condition
False Activation
Location
Lt A/C Pack
Stage of operation
DE
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

LEFT PACK OVERHEAT MESSAGE ON FINAL DESCENT. PERFORMED A PACK TEMP CONTROLLER BITE TEST IAW 21-51-14, FOUND THE COMPRESSOR SENSOR FAULTED, CLEARED FAULT, RAN THE BITE TEST AGAIN, NO DEFECTS NOTED. GOOD FOR SERVICE.

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