Service difficulty report · Switch · Boeing 7478

Difficulty date
November 27, 2019
Submitted
December 2, 2019
Operation
Air carrier
Aircraft
N605UP
Make and model
Boeing 7478
Aircraft serial
64252
Aircraft time
8,711 hours, 1,222 cycles
Part
Switch
Condition
Failed
Location
Temp
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

BLEED DUCT LEAK MESSAGE IN CRUISE. MESSAGE REMAINED. EMERGENCY DECLARED AND DIVERTED TO DEPARTURE. BLEED DUCT LEAK MESSAGE IN CRUISE. MESSAGE REMAINED. TROUBLESHOT TO BAD TEMP SWITCH S877. RT WING LE SWAPPED WITH S876. SYSTEM OPS NORMAL IAW AMM 26-11-00-501.

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