Service difficulty report · Eec · Boeing 7572T7

Difficulty date
September 18, 2026
Submitted
September 21, 2026
Operation
Air carrier
Aircraft
N935FD
Make and model
Boeing 7572T7
Aircraft serial
22780
Aircraft time
96,865 hours, 39,432 cycles
Engine
Rroyce RB211535E4
Engine time
44,909 hours, 23,256 cycles
Part
Eec
Condition
Failed
Location
Left
Stage of operation
NR
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

L EEC EICAS DURING TAKEOFF ROLL AND 4X IN FLIGHT ALL WITH ASSOCIATED AUTOTHROTTLES EICAS. NOTABLE YAW IN FLIGHT WHEN IT WOULD OCCUR. COMPLIED WITH QRH. FIM: 73-21 FAULT TREE 822 ON HIGH POWER RUN FOUND LH EEC WENT TO OFF AS THROTTLES WERE INCREASED. PERFORMED FIM 73-21 FAULT TREE 822 ON STEP 7 SHEET 2 PLUG D4160 PIN 7 HAS 28VDC. PER FIM BLOCK 30 NEEDS REPLACEMENT ELH EEC. WAITING ON PARTS

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