Service difficulty report · Filter · Boeing 7378H4

Difficulty date
October 19, 2023
Submitted
October 20, 2023
Operation
Air carrier
Aircraft
N8311Q
Make and model
Boeing 7378H4
Aircraft serial
38808
Aircraft time
37,325 hours, 17,312 cycles
Part
Filter
Part number
UNKNOWN
Condition
Faulty
Location
Zn 400 Nacelle/P
Stage of operation
CL
How discovered
9
Nature of condition
J, O
Precautionary procedure
D, O

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

What was found

LEFT FUEL BYPASS ILLUMINATED IN CLIMB<[01] R+R #1 MAIN ENG FUEL FILTER NO CONTAMINATES NOTED IAW AMM 73-34-01 EV # E027503

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