Service difficulty report · Hmu · Airbus A320214

Difficulty date
May 19, 2017
Submitted
May 23, 2017
Operation
Air carrier
Aircraft
N218FR
Make and model
Airbus A320214
Aircraft serial
1615
Aircraft time
49,375 hours, 18,793 cycles
Engine
Cfmint CFM565B43
Engine time
41,778 hours, 17,774 cycles
Part
Hmu
Part number
8061536
Part serial
WYGC7332
Condition
Shutdown
Location
Zone 500
Part time
2,728 hours, 1,205 cycles
Stage of operation
DE
How discovered
O
Nature of condition
X
Precautionary procedure
K

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

What was found

ENG 1 FAILED, RESTART DURING DESCENT. PERFORMED FADEC OPERATIONAL TEST IAW AMM 73-29-00-710-040B TEST FAILED FOUND J8 & HMU (FMVRES) ECU FAULT. DUE TO TEST FAILED AIRCRAFT REQUIRES HMU CHANGE. REMOVED AND REPLACED HYDROMECHANICAL UNIT FIN 4000KC1 IAW AMM 73-21-10 PB 401. OPS CHECK GOOD, LEAK CHECK BAD, FOUND FUEL FLOW TRANSMITTER LEAKING DURING LEAK CHECK. REMOVED AND REPLACED NR 1 ENG FUEL FLOW TRANSMITTER AND PERFORMED IDLE ENGINE RUN NO LEAKS WERE NOTED IAW AMM 73-31-10 PB 401. OK FOR SERVICE.

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