Service difficulty report · Warning Message · Boeing 76734AF

Difficulty date
December 28, 2020
Submitted
December 29, 2020
Operation
Air carrier
Aircraft
N317UP
Make and model
Boeing 76734AF
Aircraft serial
27745
Aircraft time
61,272 hours, 20,237 cycles
Engine
Ge CF680C2B7F
Part
Warning Message
Condition
False Activation
Location
Anti Ice Valve
Stage of operation
CR
How discovered
O
Nature of condition
N
Precautionary procedure
A

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

What was found

INSPECTION TYPE: N/A, DIVERSION, NO EMERGENCY DECLARED. DURING ARRIVAL BOTH "LT & RT ENGINE AI VALVE" MESSAGES OCCURED. MESSAGES CLEARED BY THEMSELVES BUT RE-APPEARED. DIVERTER DENVER TO PHOENIX DUE TO ICING IN DENVER TERMINAL AREA. T/S PER FIM 30-11-00-990-803 BLOCKS 1, 2, 11 & 22. R & R RELAY K414. OPERATIONS CHECK GOOD. PER TECH R & R ANTI ICE TIME DELAY RELAY K319. R & R PER SWPM 20-81-22. OPERATIONS CHECK GOOD ON GROUND, PER FIM 30-11-00-990-803.

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