Service difficulty report · Switch · Boeing 7673S1

Difficulty date
December 17, 2021
Submitted
December 21, 2021
Operation
Air carrier
Aircraft
N640GT
Make and model
Boeing 7673S1
Aircraft serial
25221
Aircraft time
94,493 hours, 20,169 cycles
Part
Switch
Part number
21SN4184
Part serial
N270
Condition
None
Stage of operation
IN
How discovered
O
Nature of condition
O
Precautionary procedure
O

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

What was found

DUE TO MULTIPLE REPEATS OF RT ENG TAI " STATUS MESSAGE " PLEASE TROUBLESHOOT SYSTEM AS REQUIRED VALVE OPS OK & PRESS. SW REPLACED SEE ITEM 01 ( LP 1484840 ) .(<P>REMOVED AND REPLACED #2 ENGINE INLET THERMAL ANTI - ICE SWITCH IAW AMM 30-21-01.</P> / <P>PENDING OPS CHECK. OPS CHECK NORMAL PER AMM 30-21-01 & AMM 71-00-00</P>)

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