Service difficulty report · Valve · Boeing 7673BG

Difficulty date
June 5, 2024
Submitted
June 11, 2024
Operation
Air carrier
Aircraft
N563NC
Make and model
Boeing 7673BG
Aircraft serial
30563
Aircraft time
84,712 hours, 21,557 cycles
Engine
Pwa PW4062
Engine time
3,295 hours, 923 cycles
Part
Valve
Part number
UNKNOWN
Condition
Faulted
Location
Lt Engine
Stage of operation
NR
How discovered
V
Nature of condition
O
Precautionary procedure
K

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

What was found

L ENG AO VALVE. TS PER FIM 7101 FT 803 FOIUND THE EEC CHA/B ADC TR-CK FAIL MESSAGE. CARRIED OUT THE FIM 71-01 FT TASK 830 FOUND THE WIRING CONT CHECK IS GOOD. ENG RUN NO ISSUES.

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