Service difficulty report · Warning Light · Boeing 7673S1

Difficulty date
October 2, 2019
Submitted
October 2, 2019
Operation
Air carrier
Aircraft
N640GT
Make and model
Boeing 7673S1
Aircraft serial
25221
Aircraft time
89,280 hours, 18,999 cycles
Part
Warning Light
Condition
False Activation
Location
Lt A/C Pack
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

LEFT PACK TEMP EICAS DURING FLIGHT. ACCOMPLISHED FIM 21-51 FT 803 AND FAULTED LEFT RAM AIR EXHAUST ACTUATOR. RESET CONTROLLER AND ACCOMPLISHED LT PACK COOLING TEST, OPS CHECKED OK IAW AMM 21-51-00.

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