Service difficulty report · Metering Unit · Emb EMB135KL

Difficulty date
July 29, 2024
Submitted
August 2, 2024
Operation
Air carrier
Aircraft
N531CN
Make and model
Emb EMB135KL
Aircraft serial
145469
Aircraft time
37,229 hours, 33,508 cycles
Engine
Rroyce AE3007A13
Part
Metering Unit
Part number
23080760
Part serial
BAE10375
Condition
Failed
Location
Fuel Pump
Stage of operation
CL
How discovered
O
Nature of condition
R, J
Precautionary procedure
B

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

What was found

CREW REPORTED E2 FADEC SWITCHING FROM A TO B WITH UN-COMMANDED THROTTLE ADVANCE. MAINTENANCE INSPECTED THE AIRCRAFT AND FOUND THE FUEL PUMP METERING UNIT (FPMU) TO BE FAILED. THE FPMU WAS REMOVED AND REPLACED, AND OPS CHECKED GOOD.

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