Service difficulty report · Gasket · Boeing 7378

Difficulty date
January 1, 2023
Submitted
January 4, 2023
Operation
Air carrier
Aircraft
N8790Q
Make and model
Boeing 7378
Aircraft serial
67773
Aircraft time
121 hours, 62 cycles
Engine
Cfmint LEAP1B21
Part
Gasket
Condition
Leaking
Location
Vsv Actuator
Stage of operation
CR
How discovered
O
Nature of condition
K, R
Precautionary procedure
E, A

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

What was found

FUEL DISAGREE LIGHT ILLUMINATED. QRH FUEL DISAGREE CHECKLIST RUN. NO IMBALANCE NOTED; FA VERIFIED #1 FUEL LEAK POSSIBLE ON CAPTAINS SIDE, NR 1 ENGINE. NO OVERWEIGHT LANDING OR HIGH ENERGY STOP. R & R THE NR 1 ENGINE RT VSV ACTUATOR SEAL GASKET IAW AMM 71-71-00 & 70-00-04. COMPLIED WITH TEST 15, ACTUATORS OPS CHECKED & TESTED IDLE LEAK TEST. NO LEAKS NOTED IAW AMM 71-00-00.

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