Service difficulty report · Exciter · Boeing 7378H4

Difficulty date
July 28, 2026
Submitted
August 4, 2026
Operation
Air carrier
Aircraft
N8531Q
Make and model
Boeing 7378H4
Aircraft serial
63575
Aircraft time
30,522 hours, 15,360 cycles
Engine
Cfmint CFM567B27E
System (JASC)
7412 · Exciter
Part
Exciter
Condition
Failed
Location
Nr 2 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

ENGINE NR 2 FUEL FLOW DROPPED TO ZERO, NO LIGHT OFF. OK TO CONTINUE PER MEL 74-1-02 SP1 T/S FAULT PER M-24-174-00061 ON TTG8Q01DEZBT. FOUND NR 2 ENG LT EXCITER BAD. REMOVED AND REPLACED LT EXCITER IAW AMM 74-11-01 ON TTG8Q01DF1NJ. OPS CK GOOD. CLEARED MEL 74-1-02.

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