Service difficulty report · Ecc · Boeing 7878

Difficulty date
November 20, 2025
Submitted
November 26, 2025
Operation
Air carrier
Aircraft
N781AV
Make and model
Boeing 7878
Aircraft serial
37503
Aircraft time
40,660 hours, 5,715 cycles
Engine
Rroyce TRENT1000D2
Engine time
35,556 hours, 4,765 cycles
Part
Ecc
Part number
G5040ECU02
Part serial
BX560478
Condition
Fault Message
Location
Rt Engine
Part time
7,145 hours, 1,187 cycles
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

ENG CONTROL RT ENG EEC C1 R, IAW FIM R79-20-F2-04A-421A MM 79-97132 FAULT WAS ERASED / IAW FIM R79-20-F2-04A-421A MM 79-97132 OIL DEBRIS SENSOR WAS REPLACED. ENGINE OPERATION WAS PERFORMED NO MM ON EICAS / IAW FIM R79-20-F2-04A-421A MM 79-97132 AMM R73-21-11-01F-520A-A/720A-A EEC RH WAS REPLACED OPERATIONAL TEST PASSED

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