Service difficulty report · Metering Unit · Airbus A330243

Difficulty date
December 18, 2024
Submitted
December 19, 2024
Operation
Air carrier
Aircraft
N390HA
Make and model
Airbus A330243
Aircraft serial
1389
Aircraft time
47,408 hours, 7,520 cycles
Engine
Rroyce RB211TRENT77
Engine time
49,820 hours, 7,758 cycles
Part
Metering Unit
Condition
Faulted
Location
Nr 1 Engine
Stage of operation
TX
How discovered
O
Nature of condition
O
Precautionary procedure
O

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

What was found

ETOPS - AFTER SHUTTING DOWN #1 ENGINE HP VALVE NOT CLOSED. IT CONTINUED RUN. FADEC SYSTEM TEST, NO FAULTS DETECTED. REPLACED #1 EVIMU PER ASM 73-25-04 AND AWM 73-25-34. NO HELP #1 ENGINE CONTINUES TO RUN AFTER MASTER SWITCH OFF. SWAPPED BACKED ORGINAL EVIMU. FOUND PINS AT CONNECTOR 4071KS-C WORN. REPLACED PINS AND CONNECTOR AT 4071KS-C PER AMM 70-71-20. ENGINE RUN PENDING. PERFORMED ENG #1 RUN 3X. NO DEFECTS NOTED. NO FAULTS NOTED. OK FOR SVC.

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